"a researcher wishes to determine the effects of an outdoor adventure summer camp on the self-concept of inner-city boys. boys are randomly assigned to the summer camp and to a control situation. the experimental treatment is for three months. a secondary purpose is to see if age (ages 6, 9, and 12) affects the relationship of the camp effects and self-concept." the categorical variable is:
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Category: biomedicalengineering |
Author: Sagi Boris
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