An investigator wants to test the effectiveness of visualization on sports performance. She randomly assigns participants to two groups. Participants in the visualization group imagine themselves swinging a golf club perfectly for 20 minutes prior to a session on the driving range. Participants in the control group read Golf magazine for 20 minutes prior to a session on the driving range. All participants do this procedure each day for five days. The dependent measure, the average flight distance of the ball, is calculated for each participant after each session. This is an example of a _____ design.

A) two-group pretest-posttest
B) 2 × 5 mixed factorial
C) 2 × 5 independent groups factorial
D) IV × PV factorial

Question

Valeria Ribeiro · Accepted Answer

Final Answer : B, Explanation :  This is an example of a 2 × 5 mixed factorial design because there are two groups (visualization and control) and five levels of measurement (each day's session), with the same participants measured across time, making it a mixed design.

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