The nondescript sounds made by an infant at about 2 months of age are called ______
a. cooing c. holophrasing
b. telegraphic speech d. babbling
a
Psychology
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Which of the following has not been established as a cause for intellectual disability?
a. chromosomal abnormalities such as trisomy 21 b. PKU c. lead poisoning d. all the above have been found to cause intellectual disability
Psychology
Dr. O'Donnell studies why children play in gender-segregated groups and how such play might lead to adult gender-typed behaviors. Dr. O'Donnell's research is in the realm of
A) cognitive psychology. B) ecological systems theory. C) sociocultural theory. D) evolutionary developmental psychology.
Psychology