A screening decision is not only a judgement about a candidate. It is also a decision about whether further evidence about that candidate will ever be produced. This paper names the condition that second decision can create. Epistemic foreclosure occurs where a sequential selection process, by closing cases, keeps competence available to the organisation from forming a judgement that could otherwise bear on a case or on the criterion that closed it. At the case level, a candidate is closed out on a ground that a downstream procedure is better placed to assess, before that procedure can judge them. At the rule level, the exclusions themselves remove the evidence of how the criterion that produced them treats the cases it excludes. What is lost is not an outcome but an institutional judgement, obtainable without hiring anyone. An organisation can therefore hold full authority over its criteria while its own process produces no evidence about the cases they exclude: evaluative control without evaluative reach. Its ordinary records cannot show how its own procedures would have judged the excluded cases, and where it reads success among those admitted as validation, its learning can become self-confirming. The paper separates foreclosure from error, from ordinary gatekeeping and from deficient evaluation design, and distinguishes the warrant needed to rely on exclusions as evidence from the justification for accepting a screen as a decision rule. It proposes answerable screening through referral, exclusion visibility and revisability, including an audit that measures, against a stated and independently justified standard, whom a screen keeps from further assessment.
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Peter Kahl (2026) studied this question.
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