Studies of infant stepping behavior on a treadmill demonstrated that
A. the pattern of alternating of steps on each leg precedes the ability to walk.
B. even very young infants can walk without assistance.
C. infants cannot judge the speed of movement of a moving object (e.g., the treadmill).
D. infants will refuse to attempt to walk if held upright.
Answer: A
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The reason a violin sounds different than a clarinet is that they
a. produce different pitches. b. each have a different timbre. c. are played differently. d. have distinct simple frequencies. e. each have different fundamental frequencies.
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the statistical mean over the course of repeated testing is termed __________. Fill in the blanks with correct word
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