Self service research

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

The poll results are public

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 you use the most

Do you think self service is convenience?

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

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