In an experimental study that's conducted over a 20-year span, participants are interviewed and asked to recall childhood details. If such an experiment is conducted then the concern would be
A)dependent variables
B)independent variables
C)positive Correlation
D)confounding variables

Question

Quizplus · Accepted Answer

Confounding variables are a concern in this type of study because they are variables that the researcher failed to control, or eliminate, damaging the internal validity of an experiment. In the context of recalling childhood details over a long period, numerous uncontrolled factors could influence participants' memories, such as personal experiences, psychological state, and social influences, which could confound the results.

In an Experimental Study That's Conducted Over a 20-Year Span