Problem Set 1.1: Identifying Variables (Dependent, Independent, Quasi- Independent) Criterion: Identify dependent and independent variables. Instructions: For the following list of examples, identify the dependent variable and independent {or quasi-independent) variable. 1. A researcher tests whether cocaine use increases impulsive behavior in a sample of cocaine-dependent and cocaine-inexperienced mice. Independent Variable: Cocaine Dependent Variable: impulsive behavior 2. A professor tests whether students perform better on a multiple-choice or fill-in-the-blank test format. Independent Variable: test format Dependent Variable: students performance 3. A researcher tests whether smoking by parents influences children's attitudes toward smoking behavior. Independent Variable: smoking by parents Dependent Variable: Children's attitude toward smoking 4. A social scientist tests whether attitudes toward morality differ based on political affiliation (Democrat or Republican). Quasi-Independent Variable: political afliation Dependent Variable: Attitudes toward morality 5. A cultural researcher tests whether individuals from different cultures share or differ in the belief that dreams have meaning. Quasi-Independent Variable: culture Dependent Variable: belief means yes or no