Baby Xinyi is participating in an object permanence activity. On which of the Bayley scales will the doctor note his score on this test?
A. creativity scale
B. motor scale
C. language scale
D. cognitive scale
Answer: D
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According to Festinger's (1957) theory of ____________________, inconsistent behavior produces tension
Fill in the blank(s) with correct word
B.F. Skinner rigged the cages of pigeons so that food was delivered every 15 seconds
Within a short time most of the pigeons were practicing some sort of consistent behavior, even though the behavior did not have any effect on the delivery of the reinforcer. The birds were: A) demonstrating spontaneous recovery. B) developing phobias. C) demonstrating the partial reinforcement effect. D) behaving superstitiously.
In associative play, __________
A) a child plays alone or watches other children while they play B) a child plays near other children with similar materials but does not try to influence their behavior C) children engage in separate activities but exchange toys and comment on one another’s behavior D) children orient toward a common goal, such as acting out a make-believe theme
A distribution which has a predominance of scores at the lower values of the distribution and which tails off at the higher end is _______
a. positively skewed b. negatively skewed c. normally distributed d. symmetrical