A girl classically conditions her dog to blink by blowing into her dog's eyes just after saying "Blink." Unfortunately, her parrot overhears the procedure, and says "Blink" all day long when the girl is out
When she returns, the girl says "Blink" to her dog, but he does not blink. It appears as though
a. the dog is now under the parrot's control.
b. spontaneous recovery has occurred.
c. the dog's behavior has generalized.
d. extinction has taken place.
Answer: d. extinction has taken place.
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A typical null hypothesis with a goodness-of-fit test as presented in the text might be
a. the hypothesis that the means increase evenly across categories. b. the hypothesis that the representation in each category is equal. c. the hypothesis that subjects are normally distributed. d. the hypothesis that the expected values are uniformly large.
In selecting the ideal-partner, males rank physical attractiveness higher than do females
Indicate whether the statement is true or false
Ed wants to change a behavior that is difficult for him, but more difficult in some situations than in others. A good strategy for Ed to follow is to:
a. change his target behavior. b. begin with the least challenging situations. c. begin with the medium challenging situations. d. begin with the most challenging situations.
One study suggested that in middle-aged to older adults, even brief periods of cognitive stimulation can improve ______.
A. memory B. mood C. fluid intelligence D. crystallized intelligence