Which of the following principles states that two stimuli must differ by a constant minimum percentage to be perceived as different?
A. Weber's law
B. the volley principle
C. perceptual attention
D. Ricco's law
Answer: A
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The idea that it is normal for older adults to scale down their social lives is the basis of ________ theory
Fill in the blanks with correct word
The limbic region of the brain is most active when
A) contemplating a future pay-off ($30 in two weeks). B) contemplating a long term investment (stock in a new company that is not projected to turn a profit until its second year). C) remembering a past problem that was solved through thought and logic. D) receiving an immediate cash award ($10 cash now). E) attempting to create a series of math questions for a high school math class.
The best treatment for schizophrenia is a __________.
A. social learning program B. psychodynamic approach C. family intervention approach D. combination of multiple approaches
In laboratory experiments, ovariectomized female rats are often rendered receptive by injections of
A) testosterone and estradiol. B) estradiol and progesterone. C) progesterone and testosterone. D) estradiol and estrogen. E) testosterone and androgen.