In a learning study using repeated measures, the correlation between early and later times will likely be low. Analyzing fewer levels of the independent variable would help to avoid violating the assumption of
a. normality.
b. homogeneity of variance.
c. constant correlations among pairs of levels of the repeated variables.
d. MSerror is an unbiased estimate of the magnitude of effect of the predictor variable in a regression analysis.
C
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Teddy suffers from agoraphobia. His therapist has urged him to join a therapy group which takes controlled, periodic outings to shopping malls, grocery stores and theaters. The group has had great success in making its members feel more comfortable in crowded situations. The therapist is recommending a form of therapy known as _______.
A. aversion therapy B. interoceptive exposure C. situational exposure D. flooding
Which of the following groups of American adolescents is LEAST likely to use drugs or alcohol?
A) African Americans B) Hispanic Americans C) Native Americans D) non-Hispanic White Americans