RESEARCH METHODS FOR BEHAVIORAL SCIENCES FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS WITH SOLUTIONS 2025

Which of the following is a key reason that researchers use a within-subjects design? a. To ensure that random assignment is used b. To manage sample size c. To observe changes in behavior over time d. To manage sample size and to observe changes in behavior over time - ANSWER To manage sample size and to observe changes in behavior over time A researcher uses a within-subjects design in which one group completes a difficult puzzle and the second group completes an easy puzzle. He finds that participants who completed the difficult puzzle first were able to learn about the puzzle and completed the easy puzzle quicker, compared to participants who did the easy puzzle first. What type of threat to internal validity was described in this example? a. Sampling effects b. Carryover effects c. Participant attrition d. Participant fatigue - ANSWER Carryover effects Which of the following is NOT a requirement for constructing a Latin square? a. The number of order sequences equals the number of treatments. b. Each treatment appears equally often in each position. c. All possible order sequences are included and fully balanced. d. Each treatment precedes and follows each treatment one time. - ANSWER All possible order sequences are included and fully balanced. Cou