Multiple Choice
The research participants in the control group may get the information on the treatment that the participants in the experimental group receive, which can contaminate the study outcome. This threat to internal validity refers to
A) mortality.
B) diffusion of treatment.
C) compensatory rivalry.
D) experimenter expectancy.
Correct Answer:

Verified
Correct Answer:
Verified
Q54: Among various threats to internal validity, _
Q55: Among threats to internal validity, _ refers
Q56: _ occurs when respondents become so familiar
Q57: _ is a collection of questions to
Q58: _ occurs when the research participants in
Q60: _ is a statistical procedure to measure
Q61: _ is a threat when a researcher's
Q62: The Graduate Record Examination (GRE) is argued
Q63: _ exclude participants and researchers from knowing
Q64: _ occurs when research participants drop out