Lebron is a professional basketball player. He never knows for sure which of his shots will result in a basket, but the more shots he takes, the more baskets he makes. In this example, Lebron's shooting is being reinforced on
a. a fixed-ratio schedule.
b. a fixed-interval schedule.
c. a variable-ratio schedule.
d. a variable-interval schedule.
C
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A general term for any psychologically based form of treatment to help people better understand their problems is
a. psychoanalysis. b. behavior modification. c. psychotherapy. d. psychosurgery. e. counseling.
Nutrients are transported to the liver via the hepatic portal vein from the ______.
A. small intestine B. large intestine C. stomach D. kidney
If there are no main effects, then _________
a. MScolumns/MSwithin-cells is less than Fcrit b. MSrows/MSwithin-cells is less than Fcrit c. MSinteraction/MSwithin-cells is less than Fcrit d. MScolumns/MSwithin-cells is less than Fcrit and MSrows/MSwithin-cells is less than Fcrit
Which of the following is a key characteristic of REM sleep?
a. alternating delta and beta EEG activities b. the presence of delta wave EEG activity c. rapid eye movements d. alpha wave brain activity e. tossing and turning in bed