A rat's lever presses occasionally produce food. Across conditions, the food is delivered either immediately after a lever press or after some delay. Which statement is TRUE?
A) The rate of lever pressing is relatively unaffected by delays ranging from a few seconds to about 30 seconds.
B) The rate of lever pressing increases as a function of its delay.
C) The rate of lever pressing first increases and then decreases as a function of its delay.
D) The rate of lever pressing decreases as a function of its delay.
D) The rate of lever pressing decreases as a function of its delay.
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Which of the following is most accurate about adolescent suicides?
a. Girls commit suicide more often than boys. b. Availability of a firearm is a risk factor. c. Boys attempt suicide more often than girls. d. The number reported seems to be quite accurate.
In shaping, it is sometimes a good idea to back up-- i.e., to reinforce earlier approximations of the desired behavior
Indicate whether the statement is true or false
The hippocampus is involved in the formation of declarative long-term memories
Indicate whether this statement is true or false.
_______________, one of the oldest theories of personality, was very influential and still appeals to some psychologists today
a. Humanist theory b. Genetic theory c. Psychoanalytic theory d. Cognitive theory