Field experiments often lack ______ because it is sometimes difficult to ensure that all members of the test group are exposed to the treatment.

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which a study accurately demonstrates cause-and-effect relationships. In field experiments, it can be difficult to control for extraneous variables that may impact the results, leading to lower internal validity. This is particularly true when it's challenging to ensure that all members of the test group receive the same treatment.

Field Experiments Often Lack ______ Because It Is Sometimes Difficult