You are studying in a room lit by 25 watts of light. Your roommate yells at you to turn up the light, so you rotate the dimmer switch once and your roommate thanks you. Later that evening, the light is at 90 watts, and your roommate tells you to turn it up again. You again rotate the dimmer switch once, but your roommate can't tell that the light has increased. This best illustrates
A. absolute threshold.
B. Weber's law.
C. internal noise.
D. response bias.
Answer: B
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Of the following, which is not a function of sensory memory?
A. prevents being overwhelmed B. gives decision time C. allows for rehearsal of information D. provides stability, playback, and recognition
At 1 year of age, the correlations between infant and adult IQ are
a. negative. c. low. b. stable. d. high.
Shorter light waves tend to be seen as orange and red
Indicate whether this statement is true or false.
If you are confused by a multiple-choice question because you notice that several choices are correct, but fail to notice that the question asks, "Which is not correct?" you may have experienced the effect of
a. overanticipation. c. overextension. b. a mental set. d. insight.