The placebo effect can weaken the _____ of an experiment.
A) internal validity
B) external environment
C) hypothesis
D) meta-analysis
Correct Answer:
Verified
Q85: Professor Stenson is examining the effects of
Q87: In an experiment, the _ is conceptualized
Q88: Brian conducts a study to examine the
Q89: A(n) _ is a person who is
Q91: _ refers to the degree to which
Q92: In experimental research, demand characteristics tend to
A)increase
Q93: _ refers to the degree to which
Q94: Independent variables are
A)measured by researchers.
B)manipulated by researchers.
C)confounds
Q95: Dr.Grant is conducting research on stress management.Group
Q114: A(n)_ allows researchers to distinguish the specific
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