All of the following are possible threats to internal experimental validity EXCEPT:
A)mortality.
B)external validity.
C)history.
D)maturation.
E)testing effects.

Question

Quizplus · Accepted Answer

External validity refers to the generalizability of the results to other populations or settings, and is not a threat to internal experimental validity. The other options, mortality, history, maturation, and testing effects, are all potential threats to internal experimental validity.

All of the Following Are Possible Threats to Internal Experimental