Which of the following is not a threat to internal validity of an experiment?
A) Instrumentation
B) Selection
C) Conducting the experiment in a laboratory
D) Experimental mortality
E) Interaction effects

Question

Quizplus · Accepted Answer

Conducting the experiment in a laboratory is not a threat to internal validity. Instead, it often helps control extraneous variables, thereby potentially increasing internal validity. Threats like instrumentation, selection, experimental mortality, and interaction effects can introduce biases or changes that affect the experiment's outcome, questioning the cause-and-effect relationship being studied.

Which of the Following Is Not a Threat to Internal