Definition of "explanandum" [explanandum]

• That which is to be explained (noun)

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• "There is however a methodological priority to descriptive psychology compared to experimental psychology, in that analysis and description of the explanandum is a prerequisite to its explanation."
• "But he assumes that the explanandum is a fact or basic generality about biological mechanisms (rather than a genuine law or a whole theory), such as the mechanism of action potentials in neurotransmission."
• "Whereas in event-explanations the relation between the explanans and the explanandum is empirical, in action-explanations the relationship between the explanans and the explanandum is a logical or conceptual relation."