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Reply to Mislavsky et al.: Sometimes people really are averse to experiments
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In response to our article (1), Mislavsky et al. (2) claim that “experiment aversion” does not exist because they found no evidence of it in their own research on low-stakes corporate experiments (3) and because our studies used between- rather than within-subjects designs.
First, as we noted, we do not expect (and did not ourselves find) an A/B effect in every scenario, and we called for research on how the effect might vary across contexts.
Second, we deliberately used a between-subjects design to maximize external validity: Universal implementation of policies usually occurs without mention of foregone alternatives, whereas A/B tests inherently acknowledge those alternatives. The belief that experiments deprive people of potentially beneficial interventions, but universally implemented policies do not, is not a “confound” to be avoided (2) but, rather, a key …
↵1To whom correspondence may be addressed. Email: michellenmeyer{at}gmail.com.
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