In an experiment, a pigeon receives food whenever it pecks a green key and not when it pecks a yellow key. In this experiment, the green key acts as the _____ while the yellow key acts as the _____
A) ?SD; S?
B) ?S?; SD
C) ?SD; SR
D) ?SR; SD
A
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A major drawback of homeschooling cited by critics focuses on __________.
A. the physical health of children B. academic preparation of parents versus well-trained teachers C. insufficient extracurricular activities D. low effectiveness rates
Grouping disconnected pieces of information into a meaningful whole describes the Gestalt principle of
a. similarity. b. closure. c. connectedness. d. proximity. e. continuity.
Laura is not worried about her marijuana use. She has been smoking marijuana for 10 years, and she says that one joint doesn't even get her stoned anymore. Laura is experiencing:
A. an increased tolerance to marijuana B. withdrawal symptoms C. a decrease in her psychological dependency on marijuana D. a physical need to smoke marijuana
Which of the following is NOT listed as a basic guideline for cell phone use in public?
a. Put your cell phone on vibrate or silent mode. b. Keep calls short. c. Use a catchy tune as a ring tone. d. Make and receive calls out of earshot from others.