I think you might be uneducated on this issue. For starters, read the Wikipedia page on this subject: https://en.m.wikipedia.org/wiki/Self-report_study https:/

I think you might be uneducated on this issue. For starters, read the Wikipedia page on this subject: https://en.m.wikipedia.org/wiki/Self-report_study https://en.m.wikipedia.org/wiki/Self-report_study