Threats to internal validity that can occur if there are systematic differences between selected treatment groups based on maturation, history, or instrumentation are referred to as interactions with __________.
A) generalizability
B) regression
C) selection
D) testing

Question

Quizplus · Accepted Answer

Interactions with selection refer to threats to internal validity that occur when there are systematic differences between treatment groups due to factors like maturation, history, or instrumentation. These differences can affect the outcomes of the study, making it difficult to attribute changes to the treatment itself.

Threats to Internal Validity That Can Occur If There Are