Self service research

I am Chan Wing Kin. I would like to do a research about self-service. Please help me to answer the following questions

Questionnaire results are publicly available

Name:

Gender:

Age:

Nationality:

Have you ever tried self service?

Do you like it?

How often have you used self service

What kind of self service do you use the most

Do you think self service is convenient?

Do you think self service is better than full service (not serving by yourself)?

Do you think self service can completely replace full service in the hospitality industry?

Are you doing hospitality-related business/job?

Do you think self service can gain more profit than full service?

Do you think self service is a trend in the hospitality industry?