Table 1 Questionnaire items used to measure the relationships between the TPB constructs
Variables and TPB Constructs | Questions | Sources |
|---|---|---|
Ease of Usage (EU) | 1. I can easily search and download public data from IR 2. I can easily become skilled using IR 3. I can clearly understand every menu and feature available in IR 4. IR makes my search and purchase for life\s needs more efficient 5. IR increases my productivity at work 6. I can perform my needs using IR even if there is no one around to help me 7. I can perform my needs using IR using only a simple manual or online help for reference | |
Product Price (PP) | 1. I think the price is an important factor in evaluating the quality of IR 2. I don’t care about the price of IR when I decide to buy IR 3. I chose a higher-priced IR with the same features | |
Brand Perception (BP) | 1. Foreign brands are of good quality 2. Well-known brands are of good quality 3. Unknown brands are of poor quality 4. I usually buy the best-selling brands 5. I prefer buying well-known brands 6. Brands influence my choice of purchase 7. Brands make it easier to choose the product | [113] |
Attitude (A) | I think buying IR to be … 1. Bad <—-—-—> Good 2. Useless <—-—-—> Useful 3. Unpleasant <—-—-—> Pleasant 4. Unimportant <—-—-—> Important 5. Harmful <—-—-—> Beneficial | [114] |
Subjective Norms (SN) | IR Issues: 1. My colleagues or friends are buying IR products 2. Someone who has a significant influence on me (such as my boss or teacher) thinks I should be buying IR products 3. People who are important to me (such as my relatives or family members) support me in purchasing IR products 4. I can decide for myself whether to buy IR products | |
Perceived Behaviour Control (PBC) | IR Issues: 1. I can make my decision to buy IR products independently 2. I have the financial capability to buy IR products 3. I have complete information and awareness regarding where to buy IR products 4. This IR product is readily available near the location where I reside 5. I can handle any (such as money, time, information) difficulties associated with my buying decision | [117] |
Purchase Intention (PI) | 1. I will consider buying an IR product 2. I would be willing to recommend IR products to my colleagues, friends, relatives, or families 3. I will buy an IR product shortly 4. It will take me a long time to buy IR products |