If first phenomenon varies in one way, and second phenomenon varies in the same or opposite way, first phenomenon is cause or effect, or relates to cause, of second phenomenon {concomitant variation method} {method of concomitant variation}. However, unobserved causes and effects are possible.
Social Sciences>Philosophy>Epistemology>Causation>Method
6-Philosophy-Epistemology-Causation-Method
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Date Modified: 2022.0224