The ____ theory of depression focuses on parental separation and disruption of a bond as predisposing factors for depression

Which of the following factors plays the largest role in whether high density is experienced as crowding?

a. age of the person b. gender of the person c. the dominance or passivity of the persons involved d. relationships among the people involved

Robinson manipulates two variables in his experimental investigation of test-taking performance: the number of participants seated in the room and the room temperature. He finds that regardless of the temperature in the room, participants do better on the test when the room is less crowded. Which statement about this study is true?

a. There are two independent variables in this study. b. There is one independent variable in this study. c. There are two dependent variables in this study. d. There are two dependent and two independent variables in this study.