Matthew has the genetic potential to have an above average IQ. However, he has been placed in a foster home where he is never read to, no one speaks to him, and he is left to play alone much of the day. When he starts first grade, his measured IQ is 85 . This is an example of the concept of
a. codominance.
b. norm of reaction. c. Down syndrome.
d. genetically regulated rate of growth.
b
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What did research by Gorchaff, John, and Helson reveal about the relationship between having children and marital satisfaction?
a. Marital satisfaction increases with each additional child born. b. Marital satisfaction increases with the birth of children and decreases when the children leave home. c. Marital satisfaction declines with the birth of children and rises when the children leave home. d. The joy of having children overrides any affect on marital satisfaction.
Which approach has probably generated the least empirical research in psychology?
A. Biological B. Behavioral/social learning C. Humanistic D. Trait
In order to establish an unambiguous cause-and-effect relationship between two variables, it is necessary to eliminate the possible influence of extraneous variables
a. True b. False Indicate whether the statement is true or false
What type of memory has recently attracted the attention of both psychologists and the public at large?
a. repressed memory c. photographic memory b. psychic memory d. eyewitness memory