Despite its weaknesses, the cross-sectional design remains popular with researchers because it
a. is quickly and easily applied.
b. reveals details about individual development while the child matures.
c. requires patience while data are collected for years.
d. gives clearly interpretable results when cohort effects are especially strong.
A
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Jung applied the principle of _____ to psychic energy by proposing that there is a tendency toward maintaining a balance or equilibrium in the personality
a. individuation c. entropy b. opposites d. animus revertendi
The somatic nervous system consists of ______.
A. 10 pairs of cranial nerves and 30 pairs of spinal nerves B. motor neurons that operate the skeletal muscles and the sensory neurons that bring information into the central nervous system C. sensory and motor tracts in the spinal cord D. the spinal cord and the brain
A six-year-old child suddenly awakens in a state of extreme arousal accompanied by panicky screams. He is experiencing
a. somnambulism. b. sleep apnea. c. narcolepsy. d. a sleep terror.
Children's behavior is marked by egocentrism during the preoperational period
a. True b. False