|
| Factor | Item | Literature source |
|
| Perceived trust (PT) | PT1: I generally have concerns about using robo-taxis | Modified from [26] |
| PT2: robo-taxis are somewhat frightening to me |
| PT3: I have concerns about system security and data privacy of robo-taxis |
| Government support (GS) | GS1: I am more likely to use robo-taxis if the government provides incentives for users | Self-developed |
| GS2: I am more likely to use robo-taxis if the government provides policy support, such as permission to use them on bus lanes |
| GS3: I am more likely to use robo-taxis if the government provides incentives for manufacturers |
| Social influence (SI) | SI1: I would be proud if people saw me using a robo-taxi | Modified from [19, 26] |
| SI2: people whose opinions I value would like to use robo-taxis |
| SI3: I would be more likely to use robo-taxis if my friends and family members used them |
| Perceived enjoyment (PE) | PE1: using robo-taxis would be very fun | Modified from [15] |
| PE2: using robo-taxis would be very entertaining and relaxing |
| Perceived usefulness (PU) | PU1: I think robo-taxis would be useful in meeting my transportation needs | Modified from [26] |
| PU2: I think using robo-taxis would make me feel safer (than using normal vehicles) |
| PU3: I think the use of robo-taxis would decrease accidents |
| Perceived ease of use (PEU) | PEU1: I think it would be easy to learn to operate robo-taxis | Modified from [20] |
| PEU2: my interactions with robo-taxis would be clear and easy to understand |
| PEU3: I think it would be easy for me to use robo-taxis to go anywhere I wanted |
| Attitude (ATT) | ATT1: I think using robo-taxis would be a good idea | Modified from [37] |
| ATT2: I think using robo-taxis would be a wise idea |
| ATT3: I like the idea of robo-taxis |
| Intention to use (IU) | IU1: assuming robo-taxis come into use, I intend to use them | Modified from [20] |
| IU2: assuming robo-taxis come into use, I intend to recommend them to others |
|
