The ______ is a measure of how much of the variability in one measure is explained by the value of the other measure.
A. R2
B. Pearson r
C. correlational
D. sum of products
Answer: A
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Echolalia involves
a. infants understanding more words than they can say. b. infants speaking words they really don't understand. c. infants repeating syllables. d. making up words that have meaning only to the user.
Echoic memory involves a brief flurry of activity in the auditory system that lasts for up to __________ second(s)
a. one-half b. two c. six d. 10
Concerning the differences in boys and girls regarding aggression, which of the following statements is FALSE?
a. Boys and girls have equal chances to observe adults and other children acting aggressively. b. Girls do not often see direct female aggression rewarded or approved. c. Girls are more likely to rely on directly aggressive behaviors, such as shouting at a person than indirect aggression, such as excluding others from friendships. d. Over the last few years, the popular culture has presented more images of directly aggressive women.
The fact that imitative skills seem to be present at birth, disappear for a while, and then appear again a few months later illustrates
a. nurture. b. nature. c. quantitative change. d. qualitative change.