Table 1.
Summary of construct with measurement items.
| Construct | Corresponding items | Items sources | |
|---|---|---|---|
| Performance expectancy (PE) | PE1 | I find Internet of things (IoT) useful in my daily life. | Venkatesh et al. (2003) |
| PE2 | Using Internet of things (IoT) increases my chances of achieving tasks that are important to me | ||
| PE3 | Using Internet of things (IoT) helps me accomplish tasks more quickly. | ||
| PE4 | Using Internet of things (IoT) increases my productivity | ||
| Effort expectancy (EE) | EE1 | Learning how to use Internet of things (IoT) is easy for me. | Venkatesh et al. (2003) |
| EE2 | My interaction with Internet of things (IoT) is clear and understandable. | ||
| EE3 | I find Internet of things (IoT) easy to use. | ||
| EE4 | It is easy for me to become skillful at using Internet of things (IoT). | ||
| Social influence (SI) | SI1 | People who are important to me think that I should use Internet of things (IoT). | Venkatesh et al. (2003) |
| SI2 | People who influence my behavior think that I should use Internet of things (IoT). | ||
| SI3 | My family/friends frequently use Internet of things IoT services. | ||
| SI4 | People whose opinions that I value prefer that I use Internet of things (IoT). | ||
| Facilitating conditions (FC) | FC1 | I have the resources necessary to use Internet of things (IoT). | Ifinedo (2012), Venkatesh et al. (2012) |
| FC2 | I have the knowledge necessary to use Internet of things (IoT). | ||
| FC3 | Internet of things (IoT) is compatible with other technologies I use. | ||
| FC4 | I can get help from others when I have difficulties using Internet of things (IoT). | ||
| Hedonic motivation (HM) | HM1 | Using Internet of things (IoT) is fun. | Venkatesh et al. (2012) |
| HM2 | Internet of things (IoT) is enjoyable. | ||
| HM3 | Using Internet of things (IoT) is entertaining | ||
| Price value (PV) | PV1 | Internet of things (IoT) is reasonably priced. | Sakarji et al. (2019) |
| PV2 | Internet of things (IoT) is good value for the money. | ||
| PV3 | At the current price, Internet of things (IoT) provides good value. | ||
| Experience and habit (EH) | HT1 | The use of Internet of things (IoT) has become a habit for me. | Tu (2018) |
| HT2 | I am addicted to using Internet of things (IoT). | ||
| HT3 | I must use Internet of things (IoT). | ||
| IT knowledge (ITK) | ITK1 | I have a good knowledge of the Internet and its applications | Al-Somali et al. (2015) |
| ITK2 | I would rate my understanding of information technology (IT) as very good compared to my peers. | ||
| ITK3 | I have expert knowledge of information Technology (IT) and e-commerce technologies | ||
| Personal innovativeness (PI) | PI1 | If I heard about a new information technology, I would look for ways to experiment with it | Karaiskos et al. (2009) |
| PI2 | Among my peers, I am usually the first to try out new information Technologies. | ||
| PI3 | In general, I am not hesitant to try out new information technologies. | ||
| PI3 | I like to experiment with new information technologies | ||
| Trust (TR) | TR1 | I believe that Internet of things (IoT) is trustworthy. | Pavlou et al. (2003) |
| TR2 | I trust in Internet of things (IoT). | ||
| TR3 | I do not doubt the honesty of Internet of things (IoT). | ||
| TR4 | I feel assured that legal and technological structures adequately protect me from problems on Internet of things (IoT). | ||
| TR5 | Even if not monitored, I would trust Internet of things (IoT) to do the job right. | ||
| TR6 | Internet of things (IoT) has the ability to fulfil its task. | ||
| Behavioral Intention (BI) | BI1 | I intend to use Internet of things (IoT) in the future. | Alabdullah et al. (2020) |
| BI2 | I will always try to use the Internet of things (IoT) daily. | ||
| BI3 | I plan to use Internet of things (IoT) in future. | ||
| BI4 | I predict I would use Internet of things (IoT) in the future. | ||
| BI5 | I intend to recommend my friends to use Internet of things (IoT) services in the future. | ||