The developmental origins hypothesis states that
a. people of certain ethnic backgrounds have a genetic make up that makes them less vulnerable to illness than others.
b. downregulation is the cause of most genetic disorders.
c. growth during the fetal period, infancy, and early childhood is a significant factor in adult health.
d. some illnesses are caused by problems during adolescence; others are caused by problems during later parts of the lifespan.
C
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Retroactive interference (or the lack of it) is a possible explanation for which of the following?
a. The primacy effect in memory b. The recency effect in memory c. The availability heuristic d. The representativeness heuristic
A psychologist gives a group of participants 20 personality tests. He looks at the correlations between each test and each of the other 19 (a total of 180 correlation coefficients). He finds two correlations that are statistically significant—that is, that his statistical tests tell him would not occur more than five times out of 100 . What should the psychologist conclude from his study?
A. The two statistically significant correlations probably represent "real" relationships. B. The tests he used probably were not valid. C. The two statistically significant correlations might very well be chance findings. D. The tests he used may not be reliable.
Which of the following disorders was formerly referred to as multiple personalities and is characterized by having two or more alternating personalities, each with its own name, personal history, and self-image?
a. schizophrenia b. dissociative fugue c. dissociative identity disorder d. bipolar disorder
Because some behaviors occur rarely or in private, it can be useful to use methods other than
a. surveys. b. correlational methods. c. observational methods. d. experimental methods.