Scientists often respond to failures to replicate by citing differences between the experimental components of an original study and those of its attempted replication. In this paper, we investigate these purported . We assess a body of failures to replicate in neuroscience studies on spinal cord injury. We argue that a defensible mismatch explanation is one where (1) a mismatch of components is a for a mismatch of outcomes, and (2) the components are in the follow-up study, given the scope of the original study. With this account, we argue that not all differences between studies are meaningful, even if they are difference makers. As our examples show, focusing only on these differences results in disregarding the representativeness of the original experiment's components and the scope of its outcomes, undercutting other epistemic aims, such as translation, in the process.
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| http://dx.doi.org/10.1007/s10539-022-09873-y | DOI Listing |
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