Author Question: The possibility of confounding due to ________ is particularly important in low-constraint and ... (Read 34 times)

ghost! · **on:** Aug 4, 2018

The possibility of confounding due to ________ is particularly important in low-constraint and differential research.

A) selection
B) regression to the mean
C) attrition
D) effects of repeated testing

Fill in the blank with the correct answer.

Question 2

When participants are lost differentially, any observed effect can be confounded by

A) diffusion of treatment.
B) attrition.
C) history.
D) attribution.