Imagine you are with a friend reading books. You try to get your friend’s attention by saying their name several times, but they ignore you. Finally you shout to get their attention. What is the most likely reason you had to shout to get their attention?
A. Your friend was selectively attending to the book.
B. Delays in transduction
C. Sensory adaptation to the sound of your voice
D. Bottom-up processing was preventing your friend from perceiving the sounds as his name.
Answer: A
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One major reason why humans are born with undeveloped brains is that:
A) this is the typical course of brain development for most animals. B) it makes for an easier passage through the birth canal. C) from an evolutionary perspective, it confers greater advantages after birth. D) it allows greater biological resources to be devoted to heart and lung development.
Dr. Caster decides to perform an experiment investigating the effects of caffeine and sugar on motor skill performance. He randomly assigns his subjects to one of four groups: high caffeine/high sugar, high caffeine/no sugar, no caffeine/high sugar, no caffeine/no sugar. People in each group are given a soft drink containing the appropriate levels of sugar and caffeine, and then tested on a
mirror tracing task. Dr. Caster finds that the people in two of the groups (the high caffeine/high sugar and the no caffeine/no sugar) perform at about the same high level, while the other two groups (the no caffeine/high sugar and high caffeine/no sugar) perform at about the same poor level. Dr. Caster's results show a. a main effect of caffeine b. a main effect of sugar c. a synergistic interaction d. an antagonistic interaction
Pedophiles are sexually aroused by
a) feet. b) animals. c) children. d) underwear.
The chief active ingredient of opium is:
A) morphine. B) codeine. C) methadone. D) heroin.