If a studyis done to find if people will eat more cookies when they're depressed, the
independent variable is
A) depression
B) eating
C) amount eaten
D) the correlation
A
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A positive correlation coefficient indicates the two variables co-vary in the __________ and a negative coefficient indicates that the variables co-vary ____________
a. same direction; in the opposite direction c. same direction; without direction b. opposite direction; poorly d. opposite direction; in the same direction
On college campuses, drunken students tend to have accidents, get into fights, sexually assault others, or engage in risky sex. They also destroy property and disrupt the lives of students who are trying to sleep or study. These extreme behaviors are due to the drunken students' thinking and perception becoming dulled or shortsighted, a condition known as
a. alcohol psychosis. b. binge drinking. c. divergent thinking. d. alcohol myopia.
Jamie, who expects to be less inhibited when she drinks alcohol, will act less inhibited whether she actually drinks alcohol or drinks a placebo she thinks is alcohol. This phenomenon is called
A. the expectancy effect. B. Wernicke-Korsakoff effect. C. the lysergic effect. D. klepto-pyro effect.
In terms of causation, under what circumstances does a correlation indicate causation?
If the correlation coefficient is positive If the correlation coefficient is significant If the correlation is negative By itself, it never indicates causation