A researcher interested in studying how friendship changes with age asks students in first-, third-, fifth-, seventh-, ninth-, and eleventh-grades to complete a questionnaire. What type of research design is this researcher using?

You are interested in the effects of rock music on the sexual behaviors of teenagers. Choose one of the four research approaches and describe how you would study the issue (i.e., a case study, naturalistic observation, correlational research,

What will be an ideal response?

Aggarwal and O'Brien (2008) studied hundreds of college students and identified several keys to reducing social loafing. All of the following are examples of the strategies they suggest except

a. breaking down complex projects into smaller components. b. keeping groups small. c. selecting group members low in achievement motivation. d. using peer evaluations.