How have the relative scores of Blacks and Whites on IQ tests changed over time, if at all?
a. The difference between the mean scores has fluctuated up and down repeatedly.
b. The trend has been for the difference between Blacks and Whites to increase.
c. The trend has been for the difference between Blacks and Whites to decrease.
d. The difference between Blacks and Whites has remained constant for many decades.
c
You might also like to view...
At work, people are supposed to put a quarter in the money jar anytime they take a cup of coffee from the common pot. Betty, however, rarely contributes because she figures her money will not be missed. This situation is a
a. substantive conflict. b. procedural conflict. c. prisoner’s dilemma. d. commons dilemma. e. negative inequity problem.
Phenothiazines, a group of drugs used to treat schizophrenia, block the action of dopamine. A severe side-effect of this medication, if used over a long period of time, could be
a. Parkinson's-like symptoms. c. Alzheimer's disease. b. hallucinations. d. thought disorders.
The debate over whether or not IQ is stable has its roots in
a. the nature-nurture debate. c. educational preferences. b. the debate over socioeconomic resources. d. affirmative action.
The internal validity of an experiment is _____
a. is the ability to draw appropriate conclusions because the controls are adequate b. not making a Type I error because alpha was set very high c. the ability to generalize the results beyond the experimental situation d. made stronger by the presence of a confounded variable