If you were to design a research study that examines depression in relation to concordance rate, which of the following are the best groups to use for comparison?
a. identical twins to and fraternal twins
b. college students and the general public
c. brothers and sisters
d. parent(s) and children
A. Monozygotic twins are identical with a 100% genetic similarity and dizygotic twins are fraternal with a 50% genetic similarity. Therefore, twin studies are important in estimating concordance rate.
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The IQ scores of children raised in substandard environments tend
a. to increase as the child gets older. b. to change very little as the child gets older. c. to decrease only after the child reaches adulthood. d. to decrease as the child gets older.
Which is the area of greatest difficulty when children transition into kindergarten?
a. Fitting into a peer group b. Becoming accustomed to extended separations from parents c. Adjusting to academic demands d. Developing self-control and self-help skills
Ethics review committees are typically composed of
a. laypersons only. b. professionals only. c. samples of research participants from the population under study. d. both professionals and samples of research participants. e. both professionals and laypersons.
A business person committing suicide after a stock market crash or one suddenly losing his or her job would likely be a(n) ________ suicide
a. fatalistic b. altruistic c. anomic d. egoistic e. rational