Research Methods For Behavioral Sciences Final Exam Study Guide Exam With Complete Solutions 2024

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 - correct 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 - correct 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. - correct answer-All possible order sequences are included and fully balanced. Counterbalancing does not ________ order effects, rather it makes possible order effects ________ in each treatment or group. a. eliminate; the same b. eliminate; different c. balance; variable d. balance; more likely - correct answer-eliminate; the same Researchers can control timing by controlling: a. the interval between treatments or groups. b. the total duration of an experiment.