To accurately conclude that changes in the dependent variable are caused by variations in the independent variable, researchers need to ensure that the independent variable is the only thing that changes systematically in an experiment

Which effect size test do we use for chi-square?

a. Cohen's d b. R^2 c. Cramer's V d. All of the above

You are visiting a museum that concentrates on the history of psychology and see a display of what is described as the Army Alpha. What will the museum guide tell about this display?

b) It was the name of a system of classifying jobs so they could be coordinated with military jobs. c) The term refers to a method of management that emphasizes discipline, control, and clear guidelines. d) The term describes a method used to evaluate the performance of people in a wide variety of