A measure that does not yield consistent scores and does not measure what it is supposed to measure is ____
a. both valid and reliable
b. neither valid nor reliable
c. valid but not reliable
d. reliable but not valid
b
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Narcolepsy can be described as which of the following?
a. Prolongation of the circadian rhythm to more than 24 hours b. Intrusions of REM sleep into the waking period c. Failure to distinguish dreams from reality d. Failure to inhibit muscle activity during REM sleep
If we were conducting an experiment on the effect knowledge has on categorization, we might compare the results of expert and non-expert groups. Suppose we compare horticulturalists to people with little knowledge about plants. If we asked the groups to name, as specifically as possible, five different plants seen around campus, we would predict that the expert group would primarily label plants
on the level, while the non-expert group would primarily label plants on the level. a. superordinate; subordinate b. superordinate; basic c. subordinate; basic d. basic; subordinate
Your brother asks to borrow $20 . You lend him the money and, in return, he offers to do your household chores for one week. If you typically dislike doing housework, then your behavior of lending money to your brother:
a. has been positively reinforced b. has been negatively reinforced c. has been punished d. has undergone extinction
Research on television viewing by very young children shows that:
a. TV is especially detrimental to children aged three years or older. b. there is never any benefit from television, not even from educational programs. c. infants who watch educational shows are, on average, better learners when they reach school age. d. even educational programming shows no benefit, and can even slow some aspects of cognitive development.