Bill spends his summer in the city panhandling. Every day he takes a position on a busy corner and accosts passersby saying, "Can you spare some change?" Most people ignore him, but every now and then someone gives him money. Bill's reinforcement schedule is best described as a _________
a. fixed ratio schedule
b. variable ratio schedule
c. fixed interval schedule
d. variable interval schedule
B
Psychology
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If a researcher reported for an independent-groups t test that t(22) = 2.69, p < .01, how many subjects were there in the study?
a. 24 b. 20 c. 11 d. 21
Psychology
The ______ of research findings are what advance the field of psychology
a. reliability b. standardization c. accumulation d. validity
Psychology
Cialdini and colleagues (1975) concluded that the door-in-the-face effect was due to a motive called:
a. social conformity b. reciprocal concessions c. social facilitation d. revenge
Psychology
Images are stored in short-term memory ______
a. abstractly c. acoustically only b. visually only d. acoustically and visually
Psychology