We designed an experiment to test the robustness of Dana, Weber, and Kuang's (DWK), 2007 results. DWK observed that, when participants were given a ``costless'' way --- the click of a button --- to ignore the consequences of their actions on others' payoffs, they chose to remain ignorant and fair behavior diminished. By implementing a double-blind experiment together with a design that controls for alternative explanations for the observed behavior, we confirmed DWK's findings.