Power Calculations – Quiz 3

1. Other things equal, what would happen to the power of the evaluation design if we decreased the threshold for significance in the post-evaluation hypothesis tests from 5% to 1%?

2. Suppose that the power of the evaluation design is 80% to detect a treatment effect of 0.5 SD. Other things equal, which of the following statements is true?

3. Suppose that you are conducting an RCT of a cash transfer program and the main outcome of interest is household consumption. Other things equal, what would likely happen to your impact estimate if you control for consumption levels before the program rolled out vs just compare consumption levels at endline? (Select all that apply)