Which of the following is a valid hypothesis?
a. Viewing TV violence increases the likelihood of aggressive behavior in children.
b. Viewing TV violence may influence children's behavior.
c. Viewing TV violence is unlikely to change children's behavior.
d. None of these.
A
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Which the following is classified as a somatic symptom or related disorder? a. obsessive-compulsive disorder. b. Illness anxiety disorder
c. dissociative identity disorder. d. body dysmorphic disorder.
Confounding can occur
a. only in small n designs. b. only in experiments with one independent variable. c. only in factorial experiments. d. in any experimental design.
About 95 percent of scores fall between ________ standard deviation(s) above and below the mean in a normal distribution
a. four b. one c. three d. two
One way to handle a situation in which high scores go with high scores and low scores with low scores but the pattern of scores is not linear is to
A) convert all scores to Z scores before figuring the correlation coefficient. B) add a random variable to the presumed predictor variable. C) figure the Wilcoxon R. D) figure Spearman's rho.