Secular trends in physical growth involve changes in body size
A) from one region to another.
B) as a result of evolutionary adaptation.
C) from one generation to the next.
D) as a result of periodic growth spurts.
Answer: C
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Test-retest reliability taps ____ stability
a. form b. temporal c. item d. score
An experimenter compared the reaction times of participants to a red light and to a yellow light and found that reaction time was faster for the yellow light. However, it was also discovered that the yellow light was perceived by the participants as being brighter than the red light. In this experiment,
a. the color of the light is confounded with reaction time. b. the color of the light is confounded with the perceived intensity of the light. c. the red light is confounded with the yellow light. d. there are no confounds.
At the age of four months, Zach was excitable and fearful. His dad taped a colorful picture beside the changing table to entertain Zach during diaper changes
Zach overreacted to the picture and became agitated and nervous. Zach is most likely to be classified as a(n) ___________ child. a. introverted b. extroverted c. reactive d. nonreactive
Which of the following is an accurate statement regarding the heredity of anxiety?
A. An inherited tendency can make us tense or uptight. B. A single gene makes us vulnerable to anxiety. C. Panic disorder does not run in families. D. Environmental stress is the direct cause of panic disorder.