What did George Sperling's experiment determine?
a. People see more than they can report.
b. The memory trace of visual stimuli decays within a second in the visual sensory register.
c. a and b
d. none of these
C
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For several months now, Warren has gone to bed at his usual time, but has awakened at 2 a.m. He finds that no matter what he does, he can't go back to sleep after he wakes up at this early hour. It is likely that Warren is suffering from:
a. hypersomnia b. sleep apnea c. insomnia d. parasomnia
Many people in developing countries believe that formula is superior to breast milk. Why?
They believe that if it is a trend in developed countries it is based in high-tech science. Breastfeeding is seen as taboo. Companies that produced formula convinced the public that formula feeding was the healthiest way to feed infants. The government provided free formula to everyone who wanted it.
Which of the following statements about toddlers' vocabularies is true?
A) Most children show a steady rate of word learning that continues through the preschool years. B) Toddlers undergo an initial spurt in vocabulary around 18 months. C) Toddlers transition from a faster to a slower language learning pace around 18 months. D) Young toddlers add to their spoken vocabularies at a rate of three to five words a week.
Newer research involving Erikson's lifespan theory of psychosocial development documents
that: A) college students, across different time eras, report very different levels of identity achievement. B) intimacy issues appear to be resolved sooner than issues concerning autonomy or identity. C) identity achievement occurs before the achievement of intimacy. D) many of his stages cannot be assessed.