please help

3.For the each of the following studies determine whether a repeated-measures & test is the appropriate analysis. Explain your answers for each (6 points total; 2 points each) a. A researcher is examining the effect of violent video games on behavior by comparing aggressive behaviors for one group who just finished playing a violent game with another group who played a neutral game. (2 points) b. A researcher is examining the effect of humor on memory by presenting a group of participants with a series of humorous and not humorous sentences and then recording how many of each type of sentence is recalled by each participant. (2 points) C. A researcher is evaluating the effectiveness of a new cholesterol medication by recording the cholesterol level for each individual in a sample before they start taking the medication and again after eight weeks with the medication. (2 points)