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Determinants of the Intention to Adopt Mobile Augmented Reality Apps in Shopping Malls among University Students

Department of Management Science and Technology, School of Economic Sciences, University of Western Macedonia, 50100 Kozani, Greece
Department of Statistics and Insurance Science, School of Economic Sciences, University of Western Macedonia, 51100 Grevena, Greece
Department of Accounting and Finance, School of Economic Sciences, University of Western Macedonia, 50100 Kozani, Greece
Author to whom correspondence should be addressed.
J. Theor. Appl. Electron. Commer. Res. 2021, 16(3), 491-512;
Submission received: 19 October 2020 / Revised: 16 November 2020 / Accepted: 17 November 2020 / Published: 20 November 2020


Augmented Reality (AR) technology adoption has been growing worldwide in recent years. The potential of AR to blend digital information into the physical world has been a challenge for both academia and industry, who attempt to realize and anticipate its impact on users’ perceptions, adoption intention and use. The present paper is an empirical study aimed at making substantial suggestions and investigating an integrative theoretical paradigm which attempts to establish the significance of specific factors which allow using mobile augmented reality apps in shopping malls. The study employs information from the extant literature with a view to extending the Unified Theory on Acceptance and Use of Technology (UTAUT). The results show that performance expectancy, enjoyment and reward are direct determining factors of adopting the specific technology in shopping malls, whereas facilitating conditions, social influence, innovativeness and trust exert an indirect effect on behavioral intention adoption. The research findings have far-reaching theoretical and practical implications for the development, marketing and application of mobile AR apps in the context of the specific contemporary form of shopping.

1. Introduction

1.1. Augmented Reality Evolution

Despite the fact that AR has been examined for more than 30 years, only quite recently, via smartphones, which offer powerful platforms to support AR, have such technologies acquired great popularity and become affordable for a large number of mobile users [1,2,3]. Contemporary smartphones are equipped with special features to meet the requirements of a variety of AR applications, such as fast processors with graphics hardware, reasonably large touch screens, a relatively fast Internet connection, and built-in sensors (camera, GPS, Wi-Fi, compass, and accelerometer), which enable indoor and outdoor use of AR applications [4,5]. It is worth noting that the mobile gaming app ‘Pokemon Go’, based on AR technology, had an impressive appeal to a large number of users [6], and achieved more than one billion downloads worldwide in less than three years [7]; thus, it broadly gave a clear picture of the great variety of AR technology potential. Up to now, various AR applications, which have been developed in many industries, especially in tourism, education, construction, culture, gaming, retail and marketing [8,9,10,11,12,13,14,15], have revealed the significant and powerful capabilities of IT to create groundbreaking user experiences [9] and provide unique and exciting human-computer interaction [16]. AR’s prospects are clearly depicted on Forbes Agency Council [17] estimations, according to which AR applications are expected to demonstrate significant annual growth at a rate of 75.72% and reach $117.4 billion by 2022.
The experience of utilizing AR provides users with numerous values and benefits [18,19]. It “can empower individuals with innovative context sensitive and proactive functionalities, raise awareness of information related to the surroundings with a very intuitive interface, make activities more efficient and offer personally and contextually relevant information that is reliable and up-to-date” ([3], p. 77). In addition, AR can speed up the decision-making purchase process, is easy to use, has entertainment value [20], and can be utilized to access personalized and relevant information at any time and place [21]. Karpischek and Michahelles [22] also claimed that this is a practical method, which can create connections between social content and physical products, thus challenging consumers to communicate and obtain information about products.
With regard to its business-oriented study, AR technology has already received the attention of academia, and has been investigated with a view to gaining valuable insight into AR’s utilization. A number of relevant studies have focused on its applications and limitations (e.g., [16,23,24]), utilization (e.g., [3]) and usage intention (e.g., [8,11,25]), whereas a considerable number of researchers emphasized adoption intention [12,25,26,27,28,29].
In this context, the present empirical study was carried out in order to reveal key influential determinants, which have an impact on mobile users’ behavioral intention to adopt an AR app in shopping malls. It is based on Venkatesh et al. [30] Unified Theory of Acceptance and Use of Technology (UTAUT). However, the paper proposes an integrated and holistic conceptual framework that extends Venkatesh et al. [30] technology adoption theory. Overall, shopping malls combine various sets of consumers’ needs and daily tasks employed via AR, such as navigation, e-shopping, advertisements and marketing, mobile payment, additional product information, social interaction, etc. [15]. From this perspective, AR technologies can be conducive to fully transforming how traditional retail and marketing activities are carried out [31]. To illustrate, AR users can scan a product to read customers’ reviews about it or compare its price with other stores, which offer the same product [14]. Additionally, AR technology enables the display of additional information about products and, thus, enhances the shopping experience or allows customers to find special prices or offers, and also encourage them to enter a store. Remarkably, AR is considered an effective marketing tool as it enables a new form of visualization and interaction [24]. More specifically, AR can enhance brand identity and advertising campaigns as it focuses on the entire customer experience rather than a product/service [32]. As a result, AR is perceived as a form of persuasive rather than functional technology, producing experiential value [19,33]. It is also seen as an innovation, which can create value in terms of enjoyment, efficiency, visual satisfaction and playfulness [18]. The results are expected to support the companies involved to plan a targeted business strategy aimed at increasing AR adoption and further use. In this context, the scope of the present research study is to identify the individuals’ attitudes towards the different factors likely to affect their behavioral intention to adopt mobile AR apps for shopping, information and entertainment purposes. In detail, the study aims to develop an integrated framework, which will enable the explanations to be provided about the antecedents of using mobile AR applications in shopping malls. In addition, it contributes to the development and evolution of a theoretical and conceptual model to depict how different factors influence mobile users to adopt such AR apps. The hypotheses applied are based on the growing literature of the Information Technology and expected to explain the behavioral adoption intention phenomenon. The significance of the present empirical study is based on the fact that the use of mobile AR apps in shopping malls has been poorly investigated so far. In addition, no previous study has managed to model the factors affecting individuals’ behavioral intention to adopt such AR apps in shopping malls in a solid framework, as well as examine the direct and indirect relationships between these variables at the same time. Thus, it offers valuable insight into the academic and industry stakeholders so that they would be able to build policies and follow specific strategies on mobile AR app development and marketing.

1.2. Behavioral Intention Theoretical Background

An extensive literature review on Information Technology highlights various theories and conceptual models regularly applied or extended with potential factors to explore several perspectives of technology adoption. In this context, there are several popular behavioral intention schemes, such as the Theory of Reasoned Action (TRA) [34], the Theory of Planned Behavior (TPB) [35] and the Diffusion of Innovations (DOI) theory [36]. Technology Acceptance Model (TAM) is the leading theory in technology adoption [37,38]. The literature review points out that TAM has evolved to become a key model in understanding predictors of human behavior towards potential adoption or rejection of the technology [39]. The Unified Theory of Acceptance and Use of Technology (UTAUT) is the latest derivative of TAM [30]. Since being introduced, UTAUT has been expansively used in various fields, thus, promises to be a great tool for analyzing users’ acceptance of AR technology. Actually, both of them have been the basic technology adoption models utilized in the relatively minimally investigated AR context (e.g., [28,40,41,42]).
More specifically, TAM emphasizes that perceived usefulness and perceived ease of use are the two key principles which control an individual’s behavioral intention to use technology [43]. When researchers desire a deeper investigation of an individual’s adoption intention, TAM enables other variables to be further used within the basic model [44]. Leue et al. [40] argued that TAM should be revised in an AR approach, and request for the addition of other constructs, such as cost of use or personal innovativeness. Rese et al. [25] confirmed that perceived ease of use, perceived usefulness and enjoyment have a positive impact on behavioral intention to adopt the IKEA’s AR mobile catalogue app. In addition, Haugstvedt and Krogstie [2] stated that perceived usefulness and enjoyment have a direct impact on mobile AR adoption for cultural heritage, whereas and Pribeanu [45] claimed that enjoyment and perceived usefulness have a statistically more significant impact on the behavioral intention to use an AR teaching platform. Finally, Rauschnabel and Ro [28] highlighted the significance of perceived ease of use, functional benefits, individual difference variables, brand attitudes and social norms in AR smart glass behavioral adoption.
With regard to the UTAUT, it incorporates a comprehensive examination of eight prominent models based on the aforementioned behavioral intention schemes plus a small number of their extensions in a unified technology acceptance approach. The specific model comprises four independent key constructs, namely, performance expectancy, effort expectancy, social influence and facilitating conditions, as direct determinants of behavioral intention and use behavior [30]. These authors have also introduced individual differences—age, gender, experience and voluntariness of use—acting as moderators on the effect of the four independent key constructs on behavioral intention and technology use. Regarding its application in an AR adoption context, a small number of empirical studies took place. For instance, Shang et al. [42] proved the impact of performance expectancy and facilitating conditions on the adoption of a mobile AR app for historical monuments. Additionally, Paulo et al. [41] utilized the UTAUT in order to examine the adoption of AR in tourism. They proved that facilitating conditions and performance expectancy have an impact on the variable of behavioral adoption intention.
In this context, the present research is based on the UTAUT as it is considered the latest derivative of TAM and has already been widely applied in various technology adoption empirical studies. More specifically, the study maintains the major UTAUT key constructs—performance expectancy, effort expectancy, social influence, facilitating conditions and behavioral intention—and employs an additional set of four new variables used in the extant literature—innovativeness, trust, enjoyment and reward—which are likely to affect mobile AR for shopping, information and entertainment purposes. The significance of innovativeness, trust and enjoyment have already been approved in previous AR empirical studies (e.g., [18,25,40,46]). Their importance, however, for shopping, information and entertainment purposes in shopping malls have not been investigated so far. Moreover, reward was selected as it is considered as a key determinant in adopting a pioneer app that incorporates information and entertainment purposes. Likewise, the extension of the original UTAUT model with four additional variables is expected to provide a deeper examination of an individual’s behavioral adoption intention towards mobile AR apps in shopping malls. It is worth noting that in the study all these determinants are used in a rigorous AR framework.
In summary, our research goal is to identify the parameters that drive individuals’ behavioral intention to adopt mobile AR apps in shopping malls. As far as it is concerned, the study investigates a notable research gap in the pre-adoption stage of mobile AR apps in shopping malls. Based on the extended literature review and the development of an integrated conceptual framework, two research questions arise:
  • What factors impact individuals to adopt mobile AR apps in shopping malls?
  • What factors exert the greatest influence on individuals to adopt such mobile AR apps?
The research is organized in five sections. Section 2 includes the conceptual framework and research hypotheses, and is followed by a discussion of the research methodology and the results of the empirical study in Section 3 and Section 4, respectively. Section 5 involves a discussion of the results, whereas last section deals with the conclusion of the study, its theoretical and managerial/practical implications, study’slimitations and makes relevant recommendations about future research.

2. Conceptual Framework and Research Hypotheses

Based on a comprehensive literature review, a proposed conceptual framework including a group of preliminary hypotheses is formulated (Figure 1). The framework includes the variables: performance expectancy, effort expectancy, social influence, facilitating conditions, behavioral intention, innovativeness, trust, enjoyment and reward. The specific section discusses the research hypotheses developed and provides explanations about the variables.

2.1. Behavioral Intention

The vast majority of the theories and models of behavioral intention, such as the Technology Adoption Model (TAM), the Theory of Reasoned Action (TRA) and Unified Theory of Acceptance and Use of Technology (UTAUT), which were previously mentioned, is focused on investigating the determinants affecting consumers towards adopting a relevant technology [47]. Fishbein and Ajzen [34] were the first to define the term “behavioral intention” and describe it as “a person’s subjective probability that he/she will perform some behavior”. Venkatesh et al. [30] were among the researchers who followed up and developed the UTAUT, which is finally associated with behavior. In this context, the conceptual framework discussed in the present research involves the factor “behavioral intention”, which is used to describe “a person’s subjective probability that he/she will use a mobile AR app in a shopping mall”.

2.2. Performance Expectancy

Performance expectancy, along with effort expectancy, are the two key predictors, derived from perceived usefulness and perceived ease of use in correspondence introduced in Davis’ [43] TAM [48]. Performance expectancy is defined as “the degree to which using a technology will provide benefits to consumers in performing certain activities” ([49], p. 159), and frequently has the highest effect on individuals’ intention to adopt innovation technologies [50]. It is regarded as the strongest UTAUT predictor [30]. Up to now, in the mobile environment, various researchers have confirmed the positive effect of performance expectancy on behavioral intention. For example, [50,51,52] established its impact on mobile banking services whereas [46] stated that performance expectancy has a positive impact on mobile payments. Based on the aforementioned studies, it is expected that individuals will use the mobile AR app in a shopping mall if they believe that it will have positive outcomes [53]. Therefore, these considerations lead to the first hypothesis.
Hypothesis 1 (H1).
Performance expectancy has a positive effect on behavioral intention.

2.3. Effort Expectancy

Effort expectancy is a vital predictor of technology acceptance and is described as “the degree of ease associated with the use of the system” ([49], p. 159). Venkatesh et al. [30] argued that the antecedents of effort expectancy are ease of use, perceived ease of use and complexity. Based on this definition, individuals are more likely to express intention to adopt a technology when they perceive that this technology is simple to use and interaction is unambiguous and comprehensible [50]. In the mobile environment, various studies have proved the positive impact of effort expectancy on behavioral intention (e.g., [54,55,56,57]). On the other hand, the degree to which individuals perceive that a technology is easy to be learned affects their view of its usefulness, presenting effort expectancy as a determinant of performance expectancy [58]. Or et al. [59] mentioned that the higher effort expectancy, the less energy is perceived to be demanded to use and manage the technology. In addition, Cimperman et al. [58] demonstrated the positive effect of effort expectancy on performance expectancy. Therefore, it is hypothesized that:
Hypothesis 2 (H2).
Effort expectancy has a positive effect on behavioral intention.
Hypothesis 3 (H3).
Effort expectancy has a positive effect on performance expectancy.

2.4. Social Influence

Social influence is “the degree to which an individual perceives that significant others believe that he/she should use a particular technology” ([30], p. 451). Based on UTAUT, social influence has a direct positive effect on behavioral intention as it shapes potential users’ attitude. As a result, studies predicting individuals’ behavior in ICT acceptance state is a vital determinant since peers’, family members’ and friends’ opinions have a serious impact on users’ behavior (e.g., [48,59,60,61]). Individuals may have a more or less positive attitude towards accepting the technology, which depends on the degree at which the people who are important to them or influence their behavior urge them to use it [59]. The more positive the social support to adopt the technology the higher the individuals’ intention to utilize ICT. In the mobile environment, various researchers have confirmed that social influence affects behavioral intention as well (e.g., [50,51,52,57,62,63,64,65,66,67]). On the other hand, Baabdullah [68] and Chaouali et al. [69] proved the positive impact of social influence on trust; in their studies on consumer’s intention to adopt mobile social network games and internet banking services in correspondence. Therefore, it can also be argued that people who get positive influence from their close environment to use new technologies might have fewer restrictions. Hence, they might perceive that the technology is more trustful. Therefore, it is hypothesized that:
Hypothesis 4 (H4).
Social influence has a positive influence on behavioral intention.
Hypothesis 5 (H5).
Social influence has a positive influence on trust.

2.5. Facilitating Conditions

The construct of facilitating conditions is defined as “the degree to which an individual believes that an organizational and technical infrastructure exists to support the use of the system” ([30], p. 453). Thus, this determinant involves the external factors that support individuals in adopting a novel IT [70]. To clarify, when individuals perceive that situations are ideal for adopting the technology, behaviors can occur [8]. With regard to the UTAUT model, the facilitating conditions have a positive relationship with user behavior but no direct impact on behavioral intention [30].
In the context of mobile environment, Baptist and Oliveira [51] and Krogstie [5] demonstrated this relationship, which in other studies is rejected. To illustrate, Bawack and Kamdjoug [71] and Cimperman et al. [58] argued that facilitating conditions have a direct impact on behavioral intention. On the other hand, there have been studies that revealed the positive impact of facilitating conditions on effort expectancy (e.g., [8,46,72]). As AR is a brand-new technology, facilitating conditions are necessary. For example, it is vital to examine if individuals have suitable mobile devices, which enable the use of AR apps, and also if they know how to use them. When these conditions are met, it is expected that they will use AR technologies more easily [8]. Thus, it can be hypothesized that:
Hypothesis 6 (H6).
Facilitating conditions have a positive effect on behavioral intention.
Hypothesis 7 (H7).
Facilitating conditions have a positive effect on effort expectancy.

2.6. Innovativeness

Users’ innovativeness is considered a determinant of vital impact on ICT adoption (e.g., [73,74], and has, therefore, been examined and integrated in various well-established behavioral intention models and schemes (e.g., [75,76]). According to Agarwal and Prasad [77], the first researchers who introduced the innovativeness construct and its impact on ICT, AR is defined as ‘‘the willingness of an individual to try out any new IT’’ and is conceptualized as a trait, which is not affected by environmental or external variables. In the studies of technology acceptance, innovation is linked to the amount of interest in experimenting with pioneering goods or concepts [36].
In the context of mobile environments, various researchers have investigated its impact as well (e.g., [78,79]) and suggested that a user’s level of innovativeness greatly affect technology adoption, in particular AR [18]. For example, Yi et al. [80] stated that mobile innovators have the talent to envision, comprehend and acknowledge the benefits linked with an innovation, thus, they have higher tolerance to risk and are expected to adopt or utilize the innovation [70,81]. Similarly, Tariq [82] proved that highly innovative people are constantly looking for fresh ideas; consequently, they can handle uncertainties and promote a positive attitude towards mobile IT adoption. Based on these studies, it can be argued that mobile AR app innovators will be the first to benefit from the functions of the shopping mall AR app. Therefore, the more innovative a mobile user is, the higher the chances to realize the fun and pleasure features provided by a mobile AR app. Hence, it can be hypothesized that:
Hypothesis 8 (H8).
Innovativeness has a positive effect on behavioral intention.
Hypothesis 9 (H9).
Innovativeness has a positive effect on enjoyment.

2.7. Trust

Various scientific fields have investigated trust and its research impact, including management, technology, economics, social and institutional contexts, and behavior and psychology [83]. As a result, various different definition approaches have been provided (e.g., [84,85,86]). Li et al. [85] characterized trust as asymmetric, dynamic, subjective, bi-directional, context-dependent and non-transitive. According to Roger’s [36] DOI’s view of the innovation-decision process, in the pre-adoption stage, it can be a key promotional activity to encourage consumers to be trustful for a new technology. Trust is critical in determining both individual’s adoption intention and actual behavior [87,88,89]. Regarding the e-commerce environment, a number of researchers have already elaborated on its role and the vast majority of them believe that trust can be considered the basis of e-commerce [13] and one of the key factors for successful transactions [90]. Furthermore, in the mobile environment, because the insecurity concern is higher than e-commerce, the significance of trust is higher [91].
According to (Shin, [92], p. 1346), trust implies “the belief that vendors will perform some activity in accordance with customers’ expectations”. Based on this definition and the fact that it is a determinant of expectation, it is likely to deduce its effect on effort expectancy [63]. In addition, in the context of mobile AR, where various apps have been developed for fun and pleasure (e.g., games), it can be inferred that the higher the trust perceptions of an individual, the more chances he/she has to find them enjoyable. It is also worth noting that Khalilzadeh et al. [46] demonstrated the impact of trust on performance expectancy. Therefore, in the present study, “trust” implies “users’ perceptions that the mobile AR app is trustworthy and that the app is also fully compliant with the terms of use”. Thus, it is hypothesized that:
Hypothesis 10 (H10).
Trust has a positive effect on performance expectancy.
Hypothesis 11 (H11).
Trust has a positive effect on effort expectancy.
Hypothesis 12 (H12).
Trust has a positive effect on enjoyment.

2.8. Enjoyment

Davis (1989) was among the first researchers who introduced enjoyment in a well-established behavioral intention model—TAM—as an intrinsic motivation [43]. More specifically, they defined it as “the extent to which the activity of using the computer is perceived to be enjoyable in its own right, apart from any performance consequences that may be anticipated” [43]. Concerning AR environment, there have been various studies that proved the impact of enjoyment on the adoption of an AR application. In detail, Haugstvedt and Krogstie [2] proved that enjoyment positively affect the adoption of a mobile AR app for cultural heritage and Ghazali et al. [1] its impact on an individual intention to play ‘Pokemon Go’. Additionally, Olsson et al. [15] stated that information usefulness and its effect produce fun—enjoyment—in mobile AR services in shopping malls, and Balog and Pribeanu [45] argued that enjoyment positively affects perceived usefulness and behavioral intention in an AR teaching platform. Similarly, Rese et al. [25] proved its impact on perceived usefulness in IKEA’s mobile catalogue AR app. Finally, according to Kim and Forsythe [18] and Mathwick et al. [93], AR technology boosts shopping experience with enjoyment and increases individual inclination to online purchases. Therefore, it is hypothesized that:
Hypothesis 13 (H13).
Enjoyment has a positive effect on performance expectancy.
Hypothesis 14 (H14).
Enjoyment has a positive effect on behavioral intention.

2.9. Reward

Contemporary marketing emphasizes the importance of firms and organizations to build strong relationships with consumers. Morgan [94] stated that distinctive competencies are key factors for a customer to feel committed to an enterprise or product. The unique features of the mobile technology, such as ubiquity, personalized information based on customers’ location, time personalization settings and individual hobbies and interests are characterized as valuable assets for building strong relationships in the mobile environment. The fact that individuals can reach the information and apply mobile features any time [95,96,97], and everywhere [98,99] offers a strong advantage for location-based and time-sensitive content and services to be accessed via individuals’ mobile devices at the point adapted to their personal identity [95,98,100,101]. Therefore, mobile AR apps in a shopping mall enable individuals to have a greater shopping experience because of the provided digital information when they search for an item in a shopping center. For example, a special offer notification, a limited time discount and/or a membership discount can convince consumers to purchase a product when entering a shopping mall. Jang et al. [102] emphasized the positive impact of discount coupons on continuous usage of social commerce sites. Furthermore, it can be argued that reward actions can make the provided app features more enjoyable. For example, the ‘Pokemon Go’ app has been greatly based on the reward features of its gameplay. It is also expected that the more satisfied from reward actions consumers are, the higher their trust feelings towards the mobile AR app will be. Thus, a user who is greatly benefited by the app will not hesitate to provide personal information, such as demographic or psychographic characteristics. Therefore, it is hypothesized that:
Hypothesis 15 (H15).
Reward has a positive effect on enjoyment.
Hypothesis 16 (H16).
Reward has a positive effect on behavioral intention.
Hypothesis 17 (H17).
Reward has a positive effect on trust.
All research hypotheses of the proposed conceptual framework are presented on Table 1.

3. Methodology

This section includes the operationalization of the research variable of the hypothesized conceptual framework, followed by data collection and sample characteristics. The last part of the section discusses the data analysis plan.

3.1. Determinants’ Operationalization

Table 2 depicts the research determinant definitions. For every determinant, a multiple-item scale was developed, according to comprehensive information in the literature review, and was measured in terms of a 5-point Likert scale. In detail, three items were applied to measure performance expectancy, effort expectancy, enjoyment, trust, social conditions, facilitating conditions and reward, whereas four items were applied to measure behavioral intention and innovativeness.

3.2. Data Collection and Sample Characteristics

To examine the hypothesized conceptual framework (Figure 1), an anonymous e-questionnaire was developed and administered during a two-month period (April–May 2019). The measurement instrument was originally drafted in English, but it was intended for use in Greek. Thus, it was translated into Greek by a professional native English translator as well as researchers, working independently. The differences between the members of the working group were further examined and a final version of the Greek questionnaire was agreed upon. This final version was, then, translated back into English by a university English professor to ensure consistency between the Greek and English version of the measurement instrument.
The target group was university students from Greece who visit a mall for shopping and entertainment purposes at least once a month [103]. Sampling included university students has commonly successfully derived results in primary research in many studies (e.g., [104,105,106]). Furthermore, individuals in this age group are more keen on mobile apps and receptive to adopting a novel technology (e.g., [107,108]). The convenience sampling method was used because the population size is unknown for this study [74,109]. As regards the applied measurement items mentioned above, these are based on previous validity and reliability approval empirical studies. However, the e-questionnaire was reviewed and pre-tested by two researchers before distribution; a thirty-response sample enabled identifying potential clarity and accuracy constraints.
The e-questionnaire was developed on Google forms and students were asked via an e-mail to answer the questions. The e-questionnaire was distributed to 2300 academic e-mail accounts. In addition, it was accompanied by a detailed text and a video explaining in detail AR technology and the purpose of the study. Four-hundred-and-five students responded to it, with a response rate of 17.6%. Twenty-four respondents, however, did not complete the measurement instrument and they were dropped from the sample. Therefore, the corpus of data of the empirical study includes answers from 381 students (Table 3).
Table 3 demonstrates the respondents’ demographic profile. The results show that 60.1% were male and 39.9% female. The majority (82.4%) were 1st and 2nd year students. With regard to their place of residence and based on the Hellenic Statistical Authority places’ classification [110], more than half of the respondents live in cities (61.9%); followed by those living in a small town (20.5%) and village/countryside (17.6%).

3.3. Data Analysis Plan

To examine the hypothesized framework, structural equation modeling (SEM) using maximum likelihood estimation was applied (Figure 1). SEM, which is comprised of a measurement model and a structural model, is suitable for examining the underlying hypothesized structural relations between the research independent and dependent variables (using estimated regression parameters). Even though using SEM in cross-sectional models cannot establish causal pathways, it is valuable for examining the relative fit of a given causal model to an existing data set.
In terms of measurement, the model allows us to estimate latent variables reflecting constructs of interest. Notably, measurement for all nine constructs was first assessed via Confirmatory Factor Analysis (CFA). In addition, the constructs were evaluated in terms of reliability and convergent and discriminant validity. Remarkably, convergent validity uses three recommended standards for assessing the measuring model: (1) all indicator factor loading values should exceed 0.4 [111]; (2) composite reliability (CR) should exceed 0.6 [112]; and (3) the average variance extracted (AVE) of each determinant must exceed 0.5 [113], when the specific measurement scale is used. In addition, discriminant validity was assessed by comparing the potential correlations between constructs with the square roots of AVE values [113]. To identify typical method bias and enable checking if data variance can be largely associated with a single factor, post hoc Harman’s one factor analysis was performed [114].
Subsequently, the construct relationships were calculated in the framework of the structural model, which is examined to test the relationships between the theoretical determinants in terms of strength and direction. An overall goodness-of-fit model can be assessed employing a combination of measures. The basis for an adequately fitted model was a chi-square/df ratio less than five [115], adjusted goodness-of-fit index (AGFI), comparative fit index (CFI), normed fit index (NFI), incremental fit index (IFI) and Tucker-Lewis index (TLI) values greater than 0.90 [116], and a root mean square error of approximation (RMSEA) less than 0.05 [117].

4. Results

The result section involves a summary of the outcomes of the SEM framework applied to empirically test the hypothesized variable relationships. The specific section includes the development and testing of the measurement part of the model, followed by the structural model evaluation.

4.1. Measurement Model

The measurement model (i.e., Confirmatory Factor Analysis or CFA model) is comprised of 29 items, which describe the nine underlying constructs demonstrated in Table 3. The overall goodness-of-fit of the model was satisfactory (Table 4): chi square/df and RMSEA (Root Mean Square Error of Approximation) are less than the recommended values, whereas Goodness of Fit Index (GFI), Comparative Fit Index (CFI), Normed Fit Index (NFI), Incremental Fit Index (IFI) and Tucker-Lewis Index (TLI) are greater than the recommended threshold and Adjusted Goodness of Fit (AGFI) is very close to 0.9. The standardized indicator factor loadings for all observed indicators (Table 5) were all statistically significant and exceeded 0.4. Skewness and kurtosis values for all items were less than three, which revealed no significant departures from normality [118]. In addition, composite construct reliability (CR) ranged from 0.768 to 0.857, above the recommended threshold of 0.6. Cronbach’s alpha values were also high in all cases (>0.80). Average variance extracted (AVE) values were greater than the recommended 0.5 cut-off, ranging from 0.525 to 0.706, which implies that all conditions for convergent validity were met. Table 6 demonstrates the square roots of AVE, which were all greater than inter-scale correlations (off-diagonal elements) in the corresponding rows and columns; therefore, discriminant validity was sustained. In addition, an inspection of modification indices did not suggest any substantially meaningful model revisions.

4.2. Structural Model

After correctly specifying the measurement model, the structural model (Figure 1) was expected to provide an empirical measure of the hypothesized relationships among the research variables and constructs; standardized parameters are shown, solid lines signify major pathways and correlations between constructs are not shown for clarity. In addition, inspection of the goodness-of-fit measures demonstrated a good model fit (see Table 4).
The path diagram with the resulting standardized regression coefficients indicating the direction and magnitude of relationships among variables is demonstrated in Figure 2. The structural model reveals that only four of the 17 hypotheses were rejected (Table 7). The exceptions involve the direct effects of effort expectancy, social influence, facilitating conditions and innovativeness on behavioral adoption (H2, H4, H6 and H8). In contrast, as expected, performance expectancy has a strong positive effect on behavioral adoption (H1; β = 0.43, p < 0.001) and effort expectancy a strong positive impact on performance expectancy (H3; β = 0.34, p < 0.001). In addition, social influence has a high positive effect on trust (H5; β = 0.29, p < 0.001), thus, supporting our hypothesis. Facilitating conditions revealed an impact on effort expectancy (H7; β = 0.54, p < 0.001) and innovativeness a positive effect on enjoyment (H9; β = 0.43, p < 0.001). Trust also demonstrated a positive effect on performance expectancy (H10; β = 0.21, p < 0.01), effort expectancy (H11; β = 0.31, p < 0.001) and enjoyment (H12; β = 0.39, p < 0.001) as anticipated, and enjoyment has a positive effect on performance expectancy (H13; β = 0.33, p < 0.001) and behavioral adoption (H14; β = 0.43, p < 0.001). Finally, reward proved to have a positive effect on enjoyment (H15; β = 0.17, p < 0.05), behavioral adoption (H16; β = 0.22, p < 0.001) and trust (H17; β = 0.46, p < 0.001).

5. Discussion

The research results suggest an enhanced acceptance model of a mobile AR app intention. It is worth noting, however, that in the proposed conceptual framework not all originally formulated hypotheses are verified. The structural model estimation indicates that 13 out of 17 hypotheses were supported (Table 7). The exceptions are the direct effects of effort expectancy (H2), social influence (H4), facilitating conditions (H6) and innovativeness (H8) on behavioral intention. Although the rejections of effort expectancy and social influence on behavioral intention are opposed to the principles of the original UTAUT model, this came as no surprise. In detail, the enhancement of the model with four additional variables has changed constructs’ dynamics. Thus, in the enriched conceptual model, effort expectancy (H3) and social influence (H5) exert an indirect effect on behavioral intention (Figure 2). These findings are contingent with the Paulo et al. (2018) and Shang et al. (2017) empirical mobile AR studies, which revealed that effort expectancy and social influence do not directly affect behavioral intention [41,42]. However, performance expectancy (H1), enjoyment (H14) and reward (H16) exert a strong positive effect on behavioral intention. Specifically, the direct impact of performance expectancy on behavioral intention has already been approved in various mobile commerce studies e.g., [46,50,51,52], but not in the mobile AR context. Therefore, the confirmation of H1 could be considered as noteworthy concerning the further investigation of mobile AR technology for shopping and information purposes. With regards to enjoyment, the results actually confirmed a number of previous research studies which proved the impact of enjoyment in the behavioral intention of mobile AR applications in fields other than shopping malls, such as cultural heritage [2], education [45] and game industries [1]. Lastly, the literature mentioned the importance of reward in e-commerce [102]. Commonly, this study verified its importance in the mobile AR context as well.
In addition, reward has a significant positive effect on enjoyment (H15) and trust (H17), whereas trust affects effort expectancy (H11) and enjoyment (H12). The latter findings are contingent with Shin’s [63] and Alalwan et al.’s [92] speculations. Furthermore, enjoyment was found to affect performance expectancy (H13), thereby supporting the specific research hypothesis, as well as previous researchers who investigated mobile AR, such as Olsson et al. [45] and Rese et al. [25]. Commonly, effort expectancy (H3) and trust (H10) were proven to impact performance expectancy. It is worth noting, however, that both of these hypotheses were never confirmed in the context of mobile AR. In conclusion, social influence proved to have a positive impact on trust (H5), and facilitating conditions on effort expectancy (H7). Finally, innovativeness was found to positively affect enjoyment (H9). None of these hypotheses (H5, H7 and H9) have ever been confirmed before in the AR literature.

6. Conclusions

Augmented Reality (AR), as an interactive technology, is a persuasive innovation, which greatly affects individuals [119]. Notably, it is a vital innovation that offers users’ an interactive simulation experience rather than a set of usage technology functions [20]. Because of its comprehensive nature in utilitarian and hedonic values, AR experience could aid individuals in changing attitudes and boosting persuasion and motivation effects [119]. Thus, apart from delivering product information, rigorously similar to the information obtained from inspecting a product in order to reduce product acquisition risk, AR also offers a multisensory simulation experience, namely visual and haptic features, to enhance the playful shopping and entertainment experience [20]. It is perceived to be a persuasive technology creating and delivering experiential value rather than a functional technology [19,119]. From this perspective, Fiore et al. [33] emphasized that AR provides both utilitarian and hedonic values, which activate consumers’ willingness to adopt its technological solutions.
In addition, nowadays, people tend to keep their mobile devices within arm’s reach at all times. Remarkably, they use it to surf on the Internet more than any other networking device, which implies that smartphones are an individual’s most trusted and important device. The aforementioned evidence, combined with lifestyles, according to which the vast majority of consumers prefer shopping and spending their leisure time in shopping malls, places a greater emphasis to the survey subject.
In this context, the present study investigates how behavioral intention, performance expectancy, effort expectancy, social influence, facilitating conditions, innovativeness, trust, enjoyment and reward co-exist in the same model and predict individuals’ behavioral intention to use mobile AR apps for shopping, information and entertainment purposes. As research on technology acceptance in the context of AR in shopping malls has been poor so far, the findings of the present research offer substantial evidence in support of the specific AR model. The results demonstrate that performance expectancy and enjoyment are the most significant variables positively affecting behavioral intention. Remarkably, all examined variables are identified as significant factors affecting users’ decisions to adopt a mobile AR app in a shopping mall, as well as their behavioral intention in either a direct or indirect way.

6.1. Theoretical Implications

The contribution of the specific research in various theoretical aspects of AR is multiple. Firstly, it helps develop a theoretical and conceptual framework to examine its effect on individuals’ intention to adopt a mobile AR app in shopping malls, as it elaborates on the extant literature of the behavioral intention theory. The concomitant combination of determinants, used as parameters to predict individuals’ behavior towards mobile AR apps for shopping and entertainment, as far as it is concerned, has not been investigated before. To be more specific, a number of determinants have already been explored separately, or as parts of other paradigms, whereas the framework discussed in the survey provides a comprehensive approach to the topic and extends a renowned Information Technology behavioral theory: UTAUT. Furthermore, a considerable number of interactions between the examined factors/variables were confirmed for the first time in the context of mobile AR. Their approval might offer vital insights to other academics and researchers who want to examine the mobile AR phenomenon. To add to this, the paper presents new insights about AR adoption as the survey was carried out in a country where AR technology has been poorly researched.
Therefore, the proposed conceptual framework, along with the confirmation and rejection of its research hypotheses, could be used as a guide from the academic community who wants to further investigate the topic. Moreover, the proposed framework could be applied in other areas of interest where AR via mobile devices can be applied for shopping, information or entertainment purposes, such as traditional stores, points of interest, etc. Furthermore, additional factors could be adjusted to the framework with the aim to investigate other parameters that might impact individuals’ behavioral intention to adopt a mobile AR app.

6.2. Managerial and Practical Implications

Accordingly, the implications of the research results are significant for practitioners, particularly application developers, mobile marketing managers, mobile product/service providers and researchers, who are keen on investigating users’ technology acceptance models and behavior in mobile AR contexts. Furthermore, the results are expected to help shopping mall enterprises and managers to formulate target-oriented business strategies in order to offer a better shopping and entertainment experience to consumers, as well as more accurate and up-to-date information via the implementation of such mobile apps. Moreover, paper’s outcomes may offer retailers a different perspective in their effort to attract customers and enhance their shopping experience. Additionally, it might force shopping malls and their retailers to engage in continuous IT and business transformations, as well as follow trends with the aim of complying with consumers’ adoption of new technological innovations, and thus, modifying their shopping and entertainment behaviors.
Moreover, the applied conceptual framework employs perspectives from marketing to explore an aspect of technology acceptance and includes newly examined factors, such as enjoyment and reward. It also explores possible marketing solutions related to mobility characteristics and AR potential. In detail, enjoyment demonstrated a positive impact on behavioral intention and performance expectancy. Remarkably, mobile solution companies should exploit the bonds between mobile AR activities and users, via personalized information, which is optional and can be accessed anytime at any place by consumers when visiting a shopping mall and using the app. Therefore, such apps should be equipped with functions enhancing users’ fun and pleasure feelings. To illustrate, viewers of IKEA’s AR catalogue can accelerate decision-making processes by dragging an item from the catalogue, placing it anywhere in the simulated space on their mobile device and immediately taking a screenshot of that selection, which will enhance enjoyment and convenience [120]. In addition, reward has a positive impact on behavioral intention. The idea of correlating the adoption intention of an AR app in shopping malls with the relationship ties including special offers, discounts, loyalty points and location-based marketing activities, likely to be created by their own use, is groundbreaking and involves very specialized features of the specific technology. Such consumers normally relate the shopping process in a mall with an innovative money and time-saving shopping channel [121]. This explains why reward has been found to be a positive factor affecting behavioral intention.
Overall, the survey conclusions can provide valuable insights into how mobile AR apps should be developed to align with users’ behavioral intention in shopping malls. Thus, enterprises engaging in mobile applications, m-commerce and mobile marketing could exploit the research findings as a support tool when organizing mobile strategies and implementing such apps in order to motivate shopping mall visitors to use their special features and potential. To encourage adoption of such apps, they should provide significant incentives [122] and ensure that the technology offers unique benefits and values [123].

6.3. Limitations and Future Study

Despite the aforementioned results, which provide meaningful implications, the research can be further enhanced by overcoming a number of crucial limitations. First, further evidence from heterogeneous samples will ensure that the observed relationships are similar across different demographic characteristics such as gender, age groups, education, income, residence, occupation or family status. This examination may bring out valuable information. In other words, it may reveal additional evidence why effort expectancy, social influence and facilitating conditions do not directly affect behavioral intention. Second, relevant studies could be organized in other countries, focusing on the different cultural attitudes and drawing comparative data for a cross-cultural study. As the users’ cultural background is one of the aspects which can contribute to creating a favorable context for developing and consolidating such AR apps, it is considered that further research would involve contrasting the validity of the proposed behavioral framework with samples from other cultures and comparing the relevant results. Such a process could be highly constructive for the mobile AR industry which is focused on developing multicultural apps for shopping and entertainment purposes.
There is no doubt that AR technology is here to stay and is about to greatly affect the shopping and entertainment experience in malls around the globe in the very near future.

Author Contributions

V.S.: Conceptualization, methodology, validation, formal analysis, investigation, resources, writing—original draft preparation, writing—review and editing, supervision. G.A.: Methodology, validation, data curation, writing—review and editing. A.K.: Formal analysis, writing—review and editing. All authors have read and agreed to the published version of the manuscript.


The project has been funded by the Research Committee of the University of Western Macedonia, Greece.

Conflicts of Interest

The authors declare no conflict of interest. Moreover, The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.


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Figure 1. Conceptual Framework.
Figure 1. Conceptual Framework.
Jtaer 16 00030 g001
Figure 2. Results of the structural equation modelling. * p < 0.05. *** p < 0.001.
Figure 2. Results of the structural equation modelling. * p < 0.05. *** p < 0.001.
Jtaer 16 00030 g002
Table 1. Research Hypotheses.
Table 1. Research Hypotheses.
H1Performance Expectancy has a positive influence on Behavioral IntentionPE➔BI
H2Effort Expectancy has a positive influence on Behavioral IntentionEFE➔BI
H3Effort Expectancy has a positive influence on Performance ExpectancyEFE➔PE
H4Social influence has a positive influence on Behavioral Intention.SOC➔BI
H5Social influence has a positive influence on TrustSOC➔TR
H6Facilitating conditions have a positive influence on Behavioral IntentionFAC➔BI
H7Facilitating conditions have a positive influence on Effort ExpectancyFAC➔EFF
H8Innovativeness has a positive influence on Behavioral IntentionINN➔BI
H9Innovativeness has a positive influence on EnjoymentINN➔ENJ
H10Trust a positive influence on Performance ExpectancyTR➔PE
H11Trust has a positive influence on Effort ExpectancyTR➔EFE
H12Trust has a positive influence on EnjoymentTR➔ENJ
H13Enjoyment has a positive influence on Performance ExpectancyENJ➔PE
H14Enjoyment has a positive influence on Behavioral IntentionENJ➔BI
H15Reward has a positive influence on EnjoymentREW➔ENJ
H16Reward has a positive influence on Behavioral IntentionREW➔BI
H17Reward has a positive influence on TrustREW➔TR
Table 2. Operational definition of research variables.
Table 2. Operational definition of research variables.
Research VariablesOperational DefinitionSources
Performance Expectancy (PE)PE1: I think that using an AR app in a shopping mall would help me accomplish tasks more quicklyAdapted from [30]
PE2: I think that using an AR app in a shopping mall would increase my chances of achieving what is important to me
PE3: I suppose an AR app in a shopping mall is useful
Effort Expectancy
EFE1: I think that learning how to use an AR app in a shopping mall would be easy for me
EFE2: I think that it would be easy for me to be able to use an AR app in a shopping mall
EFE3: I think that I would find an AR app in a shopping mall easy to use
Social Influence
SOC1: People who are important to me think that I should use an AR app in a shopping mall
SOC2: People who influence my behavior think that I should use an AR app in a shopping mall
SOC3: People whose opinions I value prefer that I should use an AR app in a shopping mall
Facilitating Conditions
FAC1: I think that I have the proper smartphone to use an AR app in a shopping mall
FAC2: I think that my knowledge of using an AR app in a shopping mall is adequate
FAC3: I think that I can use an AR app in a shopping mall with my current smartphone
Behavioral Intention
BI1: Given the chance, I am going to use an AR app in a shopping mall
BI2: I intend to use an AP app in a shopping mall
BI3: I expect I will use an AR app in a shopping mall in the future
BI4: I will use an AR app if available in a shopping mall
Reward (REW)REW1: I would use an AR app in a shopping mall if it provides information on discountsAdapted from [56,76]
REW2: I would use an AR app in a shopping mall if provides information on special offers
REW3: I would use an AR app in a shopping mall if it provides me with loyalty points and rewards
Enjoyment (ENJ)ENJ1: I think using an AR app in a shopping mall would be funAdapted from [30]
ENJ2: I think using an AR app in a shopping mall would be a pleasure process
ENJ3: I think using an AR app in a shopping mall would be enjoyable
Innovativeness (INN)INN1: I like using new technologiesAdapted from [10,68]
INN2: I like learning about new technologies
INN3: When I am informed about a new technological product, I try to find the opportunity to experiment on it
INN4: Compared to my friends and family, I am usually among the first to try new technologies
Trust (TR)TR1: I think that I would trust AR apps in a shopping mallAdapted from [76]
TR2: I think that a shopping mall AR app would be trustworthy
TR3: I think that I would strictly follow the terms of use while using an AR app in a shopping mall
Table 3. Demographics of the study participants (n = 381).
Table 3. Demographics of the study participants (n = 381).
Demographic CharacteristicsRespondentsPercent (%)
University rank:
Graduate student215.5
Place of residence:
City (>10000 inhabitants)23661.9
Small town (2000–10000 inhabitants)7820.5
Village/Countryside (<2000 inhabitants)6717.6
Table 4. Evaluation of model goodness-of-fit.
Table 4. Evaluation of model goodness-of-fit.
MeasuresRecommended ValueMeasurement ModelStructural Model
[0.044, 0.055]
[0.034, 0.046]
Table 5. Standardized factor loadings and individual item reliability.
Table 5. Standardized factor loadings and individual item reliability.
ConstructItemLoadingSkewnessKurtosisCRAVECronbach’s Alpha
Performance Expectancy (PE)10.789−0.8640.5830.8040.5790.870
Effort Expectancy (EFE)10.718−0.8340.6860.8040.5780.836
Social Influence (SOC)10.838−0.9680.5570.8570.6670.873
Facilitating Conditions
Behavioral Adoption
Reward (REW) 10.767−1.0940.7100.8240.6100.885
Enjoyment (ENJ)10.754−0.6520.0770.7870.5520.920
Innovativeness (INN)10.716−1.1330.9360.8180.7060.843
Trust (TR)10.749−0.129−0.1370.7680.5250.826
Table 6. Inter-correlations and square roots of average variance extracted.
Table 6. Inter-correlations and square roots of average variance extracted.
PE (1)0.76
EFE (2)0.650.76
SOC (3)0.390.590.82
FAC (4)0.310.470.470.77
BI (5)0.780.560.480.370.82
REW (6)0.520.500.520.460.660.78
ENJ (7)0.640.550.470.380.780.610.74
INN (8)0.490.520.430.450.620.610.660.84
TR (9)0.610.570.520.430.670.600.670.590.72
Note: The diagonal elements show the square root of the average variance extracted. The off-diagonal elements show the correlations between the constructs, all significant at 0.01 level.
Table 7. Path coefficients (standardized regression coefficients).
Table 7. Path coefficients (standardized regression coefficients).
H1PE➔BI0.43 ***
H3EFE➔PE0.34 ***
H5SOC➔TR0.29 ***
H7FAC➔EFF0.54 ***
H9INN➔ENJ0.43 ***
H10TR➔PE0.21 **
H11TR➔EFE0.31 ***
H12TR➔ENJ0.39 ***
H13ENJ➔PE0.33 ***
H14ENJ➔BI0.43 ***
H15REW➔ENJ0.17 *
H16REW➔BI0.22 ***
H17REW➔TR0.46 ***
Note: * p < 0.05; ** p < 0.01; *** p < 0.001.
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Saprikis, V.; Avlogiaris, G.; Katarachia, A. Determinants of the Intention to Adopt Mobile Augmented Reality Apps in Shopping Malls among University Students. J. Theor. Appl. Electron. Commer. Res. 2021, 16, 491-512.

AMA Style

Saprikis V, Avlogiaris G, Katarachia A. Determinants of the Intention to Adopt Mobile Augmented Reality Apps in Shopping Malls among University Students. Journal of Theoretical and Applied Electronic Commerce Research. 2021; 16(3):491-512.

Chicago/Turabian Style

Saprikis, Vaggelis, Giorgos Avlogiaris, and Androniki Katarachia. 2021. "Determinants of the Intention to Adopt Mobile Augmented Reality Apps in Shopping Malls among University Students" Journal of Theoretical and Applied Electronic Commerce Research 16, no. 3: 491-512.

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