Most studies of sleep patterns show
a. a consistent ratio of three to one between time awake and time asleep.
b. that it is unhealthy for anyone to sleep less than six hours a day.
c. that midafternoon sleepiness is a natural part of the wake-sleep cycle.
d. that these sleep patterns are innate and unchangeable.
C
Psychology
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Of the three levels of personality, the _____ strives for immediate satisfaction of its needs and does not tolerate delay or postponement of satisfaction for any reason
a. mirror self c. ego b. id d. superego
Psychology
According to Piaget, pictorial competence is an aspect of
A. formal operations. B. intuitive thought. C. concrete operations. D. symbolic development.
Psychology