Multiple Choice
Dennis & Dennis' (1939/1991) research on the Hopi Indian tribe found that the use of cradle boards ________ compared to infants who had not been confined by a cradle board.
A) delayed the onset of walking by two or more months
B) caused a higher rate of mild to moderate deformities in the lower extremities
C) resulted in an increased rapidity of the onset of walking by two or more months
D) showed very little difference in the onset of walking
Correct Answer:

Verified
Correct Answer:
Verified
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