A threat to internal validity that occurs when the treatment "spills over" from the experimental group and control group subjects modify their behavior because they learn of the treatment is called ___________.
A) instrumentation
B) experimental mortality
C) "spill over effect"
D) diffusion of treatment
Correct Answer:
Verified
Q11: Interrupted time-series design is/are _.
A) an experimental
Q12: Preexperimental designs is/are _.
A) an effect of
Q13: An equivalent time-series design is _.
A) an
Q14: A _ is a threat to internal
Q15: _ is a threat to internal validity
Q17: A type of reactivity and threat to
Q18: A _ is a type of experimental
Q19: A general threat to external validity that
Q20: The _ is a reactivity effect name
Q21: The _ is when subjects do not
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