A lot of companies nowardays have set types of psychological questions that they ask to gauge how honest and how much integrity people have, how they would react in certain circumstances and to give any examples of where the interviewee was in a similar circumstance and what they did and what was the outcome. Think carefully about how you answer your questions and if possible give ACTUAL examples rather than "well if I was in this situation I would......"
Believe me, I have done quite a few interwiews with prospective employees and some of the answers you wouldn't believe.....
Admitting skiving off work
Admitting stealing from work
Accepting poor quality
Covering for others shortfalls
Blaming others for their faulty work
Etc etc.
Be careful and always come across as honest and trustworthy in any answers you give