A researcher tells you that high internal validity usually harms external validity. What does
this statement mean?
A) The results of studies with high internal validity may not generalize to the real world.
B) In such cases, one is not confident that the manipulation of the independent variable
caused a change in the dependent variable.
C) The experimental manipulations were so rigorous that one cannot conduct statistical
analyses.
D) None of these statement are true.
A
Psychology
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