Four-year-old Joseph became very upset when his mother put turkey in his cheese sandwich. Even when his mother removed the turkey, he continued to throw a temper tantrum. Joseph has not mastered the Piagetian principle of _____, the idea that an operation can be repeated in the opposite direction.
Fill in the blank(s) with the appropriate word(s).
reversibility
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Prevailing social attitudes that view sexual activity in old age as ridiculous contribute to reduced sexual activity in older individuals
a. True b. False Indicate whether the statement is true or false
The brainstem contains which of the following structures?
a. the central sulcus b. the corpus callosum c. the medulla d. the hypothalamus
Theresa began studying Japanese when she was in the eighth grade. After many years of study, however, she still speaks Japanese with an accent and lacks perfect fluency. This is probably because
A. she had already passed the critical period of language development when she began studying Japanese. B. she was not genetically "prewired" for Japanese. C. no one can learn to speak a language perfectly unless their parents speak it. D. continuing to speak English while she was studying Japanese blocked her acquisition of Japanese.
Data from the national Monitoring the Future study has shown that substance use of all kinds peaks in the ______________
a. early teens b. mid-teens c. 20s d. 30s