To Test for Randomization When Xi Is Binary

question 49

Multiple Choice

To test for randomization when Xi is binary,

• A)you regress Xi,on all W's and compute the F-statistic for testing that all the coefficients on the W's are zero.(The W's measure characteristics of individuals,and these are not affected by the treatment. )
• B)is not possible,since binary variables can only be regressors.
• C)requires reordering the observations randomly and re-estimating the model.If the coefficients remain the same,then this is evidence of randomization.
• D)requires seeking external validity for your study.

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