If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio
a. total
b. between-groups
c. within-groups
d. error
b
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Which of the following is true of major depressive disorder?
A. It does not begin until early adulthood. B. It is equally common in men and women. C. It occurs five times as often in elderly people as in middle-aged adults. D. It is the most prevalent mood disturbance.
In the context of studies of patients with schizophrenia, which of the following is an accurate statement of the expressed emotion construct?
a) It conveys the same inherent meaning across different cultures. b) It suggests that family and social interactions have no influence over the course of schizophrenia. c) It refers to family communication characterized by hostility, criticism, and emotional overinvolvement. d) It decreases the risk of relapse significantly for patients with schizophrenia.
Which of the following is a permissible operation for nominal data?
a. Multiplication by transform equations b. Creation of frequency distributions c. Comparison of scores to determine relative quantities d. Identification of construct validity
If research indicated that having an extra 22nd chromosome and being very jolly made an individual at risk for developing schizophrenia, then for schizophrenia, the extra 22nd chromosome and a jolly personality would exemplify a
a. somatic symptom. b. recessive trait. c. diathesis. d. social norm.