When parents around the world use a rising, then falling pitch, they are
a. warning their baby.
b. comforting their baby.
c. calling attention to objects.
d. praising their baby.
D
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In multiple choice examinations, incorrect alternatives are called
a. flags. b. non-categories. c. distractors. d. miss rates.
Thorndike's revision of his law of effect stated that ____
a. ?rewards are unrelated to the strength of connection between stimuli and responses b. ?stimuli that satisfy physiological needs are most effective as rewards c. ?punishing a response weakened a connection but not to the same degree that rewards strengthened a connection d. ?the law of exercise was unrelated to it e. ?All of the choices are correct.
Why are infants able to use sign language before they are able to speak?
A. Their productive language exceeds their receptive language. B. Gross motor skills develop before the fine motor skills required to speak. C. They gravitate toward it because sign language is more similar to play than speech. D. Sign language requires less cognitive effort.
The sexually dimorphic nucleus is part of the ____
a. thalamus b. Wolffian ducts c. anterior hypothalamus d. male brain, only