One of Your Friends Wants to Conduct Research on Alcohol

One of your friends wants to conduct research on alcohol consumption and risky sexual behavior at your school. Your friend would like to design a questionnaire that directly asks students how many alcoholic beverages they consume per week and how often they engage in unprotected sex. Given that you know a little something about research methods, you decide to help your friend. First, explain to your friend what construct validity is and any potential threats to construct validity that may be pr