The decline of treatment effect on the experimental group after treatment is known as:
A) diffusion of treatment
B) criterion problems
C) masking effects
D) erosion of treatment effect
Correct Answer:
Verified
Q50: _ refers to biological or psychological changes
Q69: When the control group learns about and
Q70: Which of the following was not mentioned
Q71: Which of the following was not identified
Q72: Observer bias in which observers follow an
Q73: _ refers to the dropping out or
Q76: The experimental group:
A) is the same as
Q77: The classic experimental design involves:
A) two experimental
Q78: A design in which neither the subjects
Q79: _ occurs when researchers choose nonequivalent groups
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