Endogenous opioids work by acting as ______.
A. sedatives
B. ointments
C. stimulants
D. analgesics
Answer: D
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Carlotta has recently befriended Phyllis, who has been driving Carlotta's children to day care. The new friendship is most likely based on
a. matching. b. proximity. c. similarity. d. prosocial behavior. e. reciprocity.
The written description of the data that describes each variable and indicates where and how it can be accessed is called the _______________
Fill in the blank(s) with correct word
In Skinner's teaching machines, the only reinforcer was the opportunity to move on to the next item
Indicate whether the statement is true or false
As she studies in the library, Beatrice is not aware of the pressure of her watchband on her wrist. This is likely due to ________
a. sensory adaptation. b. feature detection. c. saturation. d. the doctrine of specific energies.