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QUESTION 24 A cognitive psychologist is investigating the effects of a memory training program on cognitive performance. The memory scores of 5 participants are

QUESTION 24 A cognitive psychologist is investigating the effects of a memory training program on cognitive performance. The memory scores of 5 participants are measured prior to participating in the training. After completing the memory program for six weeks, their memory scores are measured again. Calculate the estimated standard deviation SMD using the data below: SMD-2.05 O SMD-1.96 SMD 0.37 Before After 7 14

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