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<p>The <b>average treatment effect</b> (<b>ATE</b>) is a measure used to compare treatments (or interventions) in randomized experiments, evaluation of policy interventions, and medical trials. The ATE measures the difference in <a href="page.php?w=mean">mean</a> (average) outcomes between units assigned to the treatment and units assigned to the control.  In a <a href="page.php?w=randomized_trial">randomized trial</a> (i.e., an experimental study), the average treatment effect can be <a href="page.php?w=Estimator">estimated</a> from a sample using</p><p>
<a accesskey="3" href="page.php?w=Average_treatment_effect&amp;p=2">3.Next</a>
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