Local history refers to the treat to internal validity brought on when _____.
A) people in the experimental group communicate the treatment with people in the control group
B) researchers compensate the control group as a sort of consolation for not receiving a desirable treatment
C) competition arises between the groups
D) control group members resent being deprived of a desirable treatment
E) an unusual event occurs when one group, but not both are participating in the study

Question

Quizplus · Accepted Answer

Local history refers to the influence of an external event or circumstance that affects one group of participants differently than another. This can introduce a confounding variable and compromise the internal validity of the study. Therefore, option E is the correct choice as it describes this kind of situation.

Local History Refers to the Treat to Internal Validity Brought