In order to be diagnosed as having a major depressive single episode, a patient would have to report experiencing depressed mood or lack of interest in daily activities for a period of two __________
A) days
B) months
C) weeks
D) years
Answer: C
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An effect size (d) of .20 is considered:
a. small b. large c. moderate d. significant
Many phobias can be traced back to a time when the person was frightened, injured, or upset by a particular stimulus, especially in childhood, and would, thus, be based on
a. inherited familial patterns. b. emotional conditioning. c. operant extinction. d. instrumental acquisition.
In his book, The Adolescent Society, sociologist James Coleman expressed deep concern that American adolescents
A) were becoming radicalized by the civil rights movement. B) rejected the importance of learning and academic success. C) were more interested in literature and the arts than in the sciences. D) were becoming sexually active at younger ages.
__________ are best suited to collect systematic observations
A) Trained investigators B) People who have little personal investment in the investigator's hypotheses C) Parents and caregivers D) People who know and understand the investigator's hypotheses