What is the term that developmentalists use to describe the oo-ing, ah-ing, and gurgling sounds that infants produce when they are 2 months old?
a. telegraphic speech
b. babbling
c. cooing
d. gesturing
Answer: C
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List the four muscle groups found in progressively abbreviated versions of muscle relaxation
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The variance of a set of scores is
a. the square root of the standard deviation. b. the mean of the squared differences of each score from the mean score. c. equal to the square root of the range. d. always greater than 1. e. the square of the correlation coefficent.
Describe four strategies for reducing loneliness. (4 points; 1 for each correct answer) What keeps some lonely people from using these strategies? (1 point)
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All of these serve as models to guide children in their gender-typed behavior EXCEPT:
A. The opposite-sex parent B. The same-sex parent C. Peers D. Characters in stories