The factors that the researcher controls or manipulates in order to determine their effect on behavior are called the
A. relevant variables.
B. independent variables.
C. intervening variables.
D. dependent variables.
B. independent variables.
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Which of the following chemicals, when released in the body, will initiate the biochemical changes that produce body hair?
a. phytogens b. prolactins c. androgens d. estrogens
During halftime of a University of Illinois football game, the marching band members stood next to each other to form the shape of a large letter "I." Bob looked at that and said, "All I see is a bunch of individual people standing together." He could not see how they collectively formed a single large letter. Most likely, Bob has
A. prosopagnosia. B. simultanagnosia. C. apraxia. D. alexia without agraphia.
While riding on a train, David notices that the trees and telephone poles close to the tracks seem to flash by, while the buildings, trees, and mountains that are farther away seem to move by more slowly. This phenomenon is called_____________
a. aerial perspective b. subliminal motion c. motion parallax d. motion differential
Psychological test results are often compared to each other to determine a mid-range, or normal point. In order to accomplish this, test administration must be completely consistent from one person to the next. What is this process called?
a. validity b. standardization c. reliability d. T-score distribution