Research suggests that infants can identify changes in the emotions expressed in others' faces by what age?
A) 2–3 months
B) 4 months
C) 5 months
D) 6–9 months
A
Psychology
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At about 18 to 22 months of age, there is a rapid burst in vocabulary. Approximately 75% of the words added during this time are nouns. This vocabulary burst can be called
a. the expressive explosion. b. the specific nominal explosion. c. the naming explosion. d. referential style.
Psychology
Testosterone is produced by
a. testes, ovaries, and adrenal glands. c. testes only. b. testes and ovaries. d. ovaries only.
Psychology