Speed in completing a task often shows a ______, especially if the research participants complete multiple trials of the task.
A. symmetrical distribution
B. skewed distribution
C. normative distribution
D. frequency distribution
Answer: B
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In the demonstration of the upside down face in the textbook, perceptual learning
a. creates a lack of depth perception regarding the upside-down face. b. has less impact on our perceptions of the upside-down face. c. has more impact on our perceptions of the upside down face. d. causes us to see no reversal of the features of the upside-down face.
Regarding patterns of suicide, which of the following statements is FALSE?
a. The suicide rate is three times higher in Hungary than in the United States. b. The suicide rate in the United States is almost ten times higher than the rate in Azerbaijan. c. Between 1950 and 1990, suicide rates for adolescents and young adults doubled. d. Suicide rates tend to decrease with advancing age.
Edgar's history teacher springs a pop quiz on his class to reward students who are keeping up with the reading load for the class. Students never know when these quizzes will happen. The teacher is using which schedule?
A. Fixed ratio B. Fixed interval C. Variable ratio D. Variable interval
The ________ gland is defined as a pea-sized gland just beneath the hypothalamus that controls growth and regulates other glands.
A. adrenal B. sebaceous C. thyroid D. pituitary