Construct	Scale Items
Perceived Pleasure (PP)	PP1: Interacting with AI agents will be very fun. PP2: The actual process of using AI agents will be enjoyable. PP3: Using AI agents will be pleasant.
Anthropomorphism (AN)	AN1: AI agents will experience emotions. AN2: AI agents will have consciousness. AN3: AI agents will have minds of their own. AN4: AI agents will have personalities.
Perceived Benefit (PB)	PB1: AI agents will provide convenience for daily life. PB2: AI agents will improve work efficiency and productivity. PB3: AI agents will promote economic development. PB4: AI agents will provide personalized services to better meet individual needs.
Perceived Knowledge (PK)	PK1: I know AI agents very well. PK2: Compared to most people, I have a better understanding of AI agents. PK3: Among the people I know, I can be regarded as an “expert” in the field of AI agents.
Cognitive Trust (CT)	CT1: AI agents will be technologically trustworthy. CT2: The overall ability and performance of AI agents will be reliable. CT3: AI agents will have rich and powerful domain knowledge. CT4: AI agents will make accurate and wise decisions.
Affective Trust (AT)	AT1: AI agents will closely follow and understand my needs in future interactions. AT2: AI agents will provide timely assistance when I need help. AT3: AI agents that help me with tasks will make me feel comfortable. AT4: AI agents will demonstrate understanding and resonance with my emotional state.
Overall Trust (OT)	OT1: AI agents will be reliable. OT2: AI agents will be trustworthy. OT3: Overall, I can trust AI agents in the future.
General Acceptance (GA)	GA1: I will use AI agents in the future. GA2: I will pay for AI agents in the future. GA3: I will recommend AI agents to my family and friends. GA4: Please rate your overall attitude toward future AI agents. GA5: Please indicate your acceptability level of future AI agents.
Ethical Expectation (EE)	EE1: I expect AI agents to provide me with sufficient information to explain their operational principle when performing tasks in the future. EE2: I expect explanations from AI agents to be clear and easy to understand in the future. EE3: I expect AI agents to fully demonstrate their action to me, ensuring transparency in the future. EE4: I expect AI agents to enable me to clearly understand how they make decisions in the future. EE5: I expect AI agents to follow the moral and ethical standards of human society in the future. EE6: I expect AI agents to be fair, such as to ensure that every user receives support in the future. EE7: I expect AI agents to be inclusive, such as avoiding gender discrimination in the future. EE8: I expect AI agents to effectively protect my personal privacy and data security in the future.
Note: All items were adapted from established studies and refined based on the findings from the pre-experiment.