Josiah checks his email several times throughout the day. Some days there is mail each time he checks; sometimes several days go by with no new messages arriving. In this example, Josiah's behavior of checking his email is being reinforced on

a. a variable-interval schedule.
b. a fixed-ratio schedule.
c. a fixed-interval schedule.
d. a variable-ratio schedule.

A

Psychology

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Pavlov believed that classical conditioning resulted from the

a. informativeness of the CS. b. law of effect. c. mere pairing of the CS and UCS. d. contingent relationship between the CS and UCS.

Psychology

Jon is sitting in his psychology class across from Della when he

realizes that he has been smiling. What theory of emotion suggests that Jon will now decide that he has a crush on Della? A) Cannon-Bard B) James-Lange C) Two-factor D) Discrete emotions

Psychology