Attentuation refers to
A) stating there is not a relationship between two variables when there is one
B) lowered accuracy in a prediction equation when it is applied to a new sample.
C) combining many variables in order to predict the most amount of variance.
D) effects of unreliable instruments underestimating the correlation.

Question

Quizplus · Accepted Answer

Attenuation refers to the underestimation of a true correlation due to unreliable measures or instruments. Option A refers to suppression, not attenuation. Option B describes the issue of overfitting rather than attenuating. Option C refers to multiple regression, which is a different concept.

Attentuation Refers to