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CP1: The social Q & A community has a high prestige.

CP2: The social Q & A community is one of the best quiz communities.

CP3: The social Q & A community is an excellent, high-quality Q & A community.

EC1: I used the social Q & A community to experience better than I expected.

EC2: The social Q & A community provides a better level of service than I expected.

EC3: As a whole, my expectations for the social Q & A community have basically been achieved.

When using a social Q & A community, the interaction with other members is...

SP1: interpersonal.

SP2: warm.

SP3: close.

SP4: humanized.

SP5: rich in emotion.

FL1: I’m very familiar with the social Q & A community.

FL2: I’m very familiar with the process of asking the social Q & A community to search for knowledge.

FL3: I’m very familiar with how to get knowledge in the social Q & A community.