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

question 17

Multiple Choice

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

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