Fred sleeps soundly. His alarm makes a loud beeping noise every morning at 7:00AM. Fred's getting ...

Fred sleeps soundly. His alarm makes a loud beeping noise every morning at 7:00AM. Fred's getting out of
bed and turning off the alarm is an example of____________.

a. positive reinforcement c. punishment
b. negative reinforcement d. aversive conditioning

Question 2

A researcher administers an antidepressant drug to a group of depressed patients and
over a period of time they improve.

The researcher claims that their improvement is due to
the drug, even though she did not control for outside factors such as improved emotional
support from friends, or natural improvement over time. This study lacks ______.
a. analogue validity c. internal validity
b. construct validity d. external validity

Question 3

Stimuli that increase the frequency of a behavior when they are removed are called ______.

a. positive reinforcers c. punishers
b. negative reinforcers d. aversive conditioners

Question 4

Experiments lack internal validity when they fail to control for other factors, called
______ that might pose rival hypotheses for the results.

a. confounds c. blinds
b. placebos d. alternatives

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Fred sleeps soundly. His alarm makes a loud beeping noise every morning at 7:00AM. Fred's getting ...

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