One of the drawbacks of narrowing the window/range of the assignment variable is:
A) Decrease in statistical power
B) Leads to bias if used on linear model
C) Leads to bias if used on a non-linear model.
D) Underestimates the effect of the treatment at the cutoff

Question

Quizplus · Accepted Answer

Narrowing the window/range of the assignment variable can lead to a decrease in statistical power, meaning that the ability to detect an effect may be reduced.

One of the Drawbacks of Narrowing the Window/range of the Assignment