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The under-deterimination of theory by data, and a temptation toward post-hoc rationalization, can exist in all other institutions one might use to elicit explanations.

The difference is between a focus on giving reasons to others from one on making individual bets. [An individual 'talky collective' versus a market.] Scientists arguing about theories has proven a very effective way of securing agreement. Differences must be argued about; just collecting more data has never replaced scientific collectives. Yet that is the partial replacement you propose. Scientific arguments are not confined to the presentation of new data.

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