The purpose of an Institutional Review Board is ____
a. to prevent ethical violations and judge whether the research being proposed follows reasonable ethical guidelines
b. to design research studies, test hypothesizes, and secure funding
c. to generate theories, measure variables, and publish findings in peer-review journals
d. to supervise and monitor research that is being conducted and to support the mission of the university
Answer: A
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For a repeated-measures study comparing two treatment conditions, a researcher obtains Cohen's d = 0.50 for a sample of n = 4 scores with a variance of s2= 16 . What is the value of the sample mean?
a. MD = 2 c. MD = 8 b. MD = 4 d. MD = 16
The sum of products divided by the sum of squares for the X variable is known as ______.
A. slope B. curve C. best fit D. intercept
A boy is teaching his younger sister how to make her bed. At first, he tells her she did a good job if she gets the bedspread pulled up, even if the sheets are still rumpled. Each following day,
he encourages her to be a little neater before telling her she did a good job. The boy may not know it, but he is using a. secondary reinforcement. b. primary reinforcement. c. a fixed-interval schedule. d. shaping by successive approximations.
Operant conditioning is also known as
A) instrumental conditioning. B) vicarious learning. C) observational learning. D) voluntary conditioning.