A social psychologist is working with a child psychologist to study the effects of different behavioral interventions on aggressive behavior in children. They randomly select twenty-five children. Each child is observed by a "blind" observer who counts the number of aggressive acts committed by the child. For three weeks, aggressive behavior by all children is ignored by the psychologist (Extinction). For the next three weeks, aggressive behavior results in a time-out of two minutes (Time-out). For the final three weeks, aggressive behavior is ignored and non-aggressive behavior is rewarded with praise (Differential reinforcement). The data are mean number of aggressive acts at the end of each three-week period and the order of treatment is varied. The researchers are interested in

whether type of behavior treatment has an effect on mean aggressive behavior of the children. What parametric test would you choose to answer the question?

What will be an ideal response?


Correct Answer:
One-way ANOVA repeated measures

Education

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a. True b. False

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Describe the benefits of peer-tutoring

What will be an ideal response?

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