You want to test children to see if their social skills improve following a film that teaches them how to make friends. You measure their social skills pre- and post-test and compare the two scores. What kind of research design are you using?

Brandy has been given a great deal of opportunity to advance her career. she recently got a huge increase in authority and salary, and she was hired to do what she has always claimed was her dream job. however, brandy is not enthusiastic about coming to work, and when she is there, she spends most of her time complaining about how maurice got a bigger office and nicer furniture than she did. brandy’s behavior would seem to support theory.