About ____ percent of all children are mentally retarded
a. 3
b. 13
c. 23
d. 33
A
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It appears from research with cats that one function of the messages from the pons to the spinal cord is to prevent us from ____.
A. dreaming B. sleeping too soundly C. acting out our dreams D. having difficulty falling asleep
Teaching assistants are paid a meager sum of money once a month, whether they work hard or not. This type of payment plan demonstrates a __________ reinforcement schedule.
A. fixed-ratio B. fixed-interval C. variable-ratio D. variable-interval
Which statement most accurately represents modern conceptions of formal operational thought? Adolescents and adults tend to apply formal operational thought
a. to all situations they encounter. b. only with regards to scholastic or academic areas. c. to situations where they have the most experience. d. to no areas of their lives.
Which of the following is true regarding statistics?
a. They guide the conclusions scientists draw from research. b. They cannot provide definitive conclusions that researchers can draw on to generate theories. c. They are generally considered optional when conducting an experiment or designing a test. d. They often interfere with a scientist's ability to organize and describe data.