Your 1-year-old went from being a non-speaker to learning about ____ words a week on average. This seems incredible

a. zero
b. one to three
c. five to seven
d. seven to nine

B. From 12 to 18 months, toddlers learn to speak one to three new words a week. Language would have made it easier to communicate about the location of food sources and about how to make tools, which would in turn enhance survival.

Psychology

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The methodological breakthrough for the study of sleep came in 1937 when researchers began using

a. electroencephalograms. b. experience-sampling. c. hypnosis. d. think-aloud protocols.

Psychology

Parents who exert firm control but are rejecting or unresponsive to their children are referred to as

A) authoritative. B) autonomous. C) authentic. D) authoritarian.

Psychology