Measurement scales
| Variables | Number of items | Cronbach’ alpha | CR | AVE |
|---|---|---|---|---|
Perceived usefulness: Adapted by Aiolfi and Bellini (2019)
| 4 | 0.931 | 0.848 | 0.583 |
Perceived ease of use: Adapted from Aiolfi and Bellini (2019)
| 4 | 0.934 | 0.952 | 0.832 |
Perceived privacy risk: Adapted from McLean and Osei-Frimpong (2019)
| 4 | 0.906 | 0.823 | 0.538 |
Innovativeness: Adapted from Sundar and Noseworthy (2016)
| 4 | 0.892 | 0.929 | 0.771 |
Perceived enjoyment: Adapted from Kowalczuk (2018)
| 3 | 0.911 | 0.853 | 0.659 |
Social attraction: adapted from McLean and Osei-Frimpong (2019)
| 3 | 0.905 | 0.814 | 0.596 |
Task technology fit: adapted from Ling et al. (2021)
| 4 | 0.878 | 0.875 | 0.639 |
Attitude towards smart speakers: adapted from Aiolfi and Bellini (2019)
| 3 | 0.940 | 0.897 | 0.745 |
Intention to use smart speakers: Adapted from Aiolfi and Bellini (2019)
| 3 | 0.941 | 0.933 | 0.825 |
| Variables | Number of items | Cronbach’ alpha | CR | AVE |
|---|---|---|---|---|
| Perceived usefulness: Adapted by 1. I believe that using a smart speaker makes my life easier 2. I believe that using a smart speaker allows me to perform numerous actions 3. I think I could save some time by using a smart speaker to perform different daily actions 4. I think in general it is useful to use a smart speaker | 4 | 0.931 | 0.848 | 0.583 |
| Perceived ease of use: Adapted from 1. It's easy to give commands to use a smart speaker 2. It's easy to use a smart speaker to listen to music 3. It's easy to use a smart speaker to ask for information 4. I think it's easy to use a smart speaker while I'm doing other tasks | 4 | 0.934 | 0.952 | 0.832 |
| Perceived privacy risk: Adapted from 1. I have doubts about the confidentiality of the conversations I have with the voice assistant of a smart speaker 2. I'm afraid to share my personal data with the voice assistant of a smart speaker 3. I am afraid that my personal data stored by the voice assistant of a smart speaker may be stolen 4. I'm afraid that the voice assistant of a smart speaker collects too much information about me | 4 | 0.906 | 0.823 | 0.538 |
| Innovativeness: Adapted from 1. Smart speakers are equipped with highly innovative technology 2. Compared to other technological tools on the market, smart speakers are very innovative 3. Smart speaker technology is unique 4. The voice technology leveraged by smart speakers is new and cutting edge | 4 | 0.892 | 0.929 | 0.771 |
| Perceived enjoyment 1. Using a smart speaker is fun and engaging 2. It is pleasant to use a smart speaker to perform actions 3. I have a lot of fun using and conversing with a smart speaker | 3 | 0.911 | 0.853 | 0.659 |
| Social attraction 1. I think the voice assistant in a smart speaker can become a friend to chat with 2. I would like to spend more time with the voice assistant in a smart speaker 3. I think the time spent with a voice assistant is well spent | 3 | 0.905 | 0.814 | 0.596 |
| Task technology fit: adapted from 1. The functionality of smart speakers is more than adequate for the performance of their tasks 2. Smart speaker features are appropriate for the tasks they are scheduled for 3. Smart speaker features are very useful 4. In general, the features of smart speakers adapt well to carrying out daily tasks | 4 | 0.878 | 0.875 | 0.639 |
| Attitude towards smart speakers: adapted from 1. I think it is convenient to use a smart speaker 2. I think it is a great idea to use a smart speaker 3. I think it is nice to be able to use a smart speaker to perform different tasks | 3 | 0.940 | 0.897 | 0.745 |
| Intention to use smart speakers: Adapted from 1. I plan to continue using a smart speaker in the future 2. I plan to use a smart speaker more in the future 3. In the future I will recommend my friends to use a smart speaker | 3 | 0.941 | 0.933 | 0.825 |
Source(s): Author's elaboration
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