An educational psychologist is interested in examining the effects of group size on peer conflict. the experimenter randomly assigns students to either a small group or large group to see which one will lead to more peer conflict. the experimenter also examines whether the effects differ when students interact for 10 minutes, 30 minutes, or 1 hour. in this study, time is a(n) _____ variable.
A mixed-factorial design describes a study with: an experimental variable and a subject variable. more than 2 independent variables. a between-subjects variable and a within-subjects variable. a manipulated variable and a within-subjects variable. a between-subjects variable and a within-subjects variable.
