When Running an Experiment, Suppose We Assume the Participants in the Experiment

question 10

Multiple Choice

When running an experiment, suppose we assume the participants in the experiment are a random sample of the population. Let Y_i be the outcome for individual i and let D_i equal one if individual i receives the treatment and zero otherwise. What does the assumption of a random treatment imply?

• A) \( \overline {Y _ { i } \mid D _ { i } = 1}\) - \( \overline {Y _ { i } \mid D _ { i } = 0}\) approximates E(Y_i)
• B) \(\underline { Y _ { i }}\) approximates E(Y_i|D_i = 1) - E(Y_i|D_i = 0)
• C) \( \overline {Y _ { i } \mid D _ { i } = 1}\) - \( \overline {Y _ { i } \mid D _ { i } = 0}\) = 0
• D) Selection Bias = 0

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