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Comparative method: Mill’s method of difference. Compare cases with different scores on the dependent (y) variable Tentatively reject hypothesis based on independent variable with same scores when DV has different scores : (x 1 y) rejected
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Comparative method: Mill’s method of difference • Compare cases with different scores on the dependent (y) variable • Tentatively reject hypothesis based on independent variable with samescores when DV has different scores: (x1 y) rejected • Tentatively supporthypothesis based on independent variable with different scores when DV has different scores: (x2 y) supported Same score: reject x1 y Different scores Different scores
Comparative method: Mill’s method of agreement • Compare cases with same score on the dependent (y) variable • Tentatively supporthypothesis based on independent variable with same scores when DV has same scores: (x3 y) supported • Tentatively reject hypothesis based on independent variable with different scores when DV has same scores: (x4 y) rejected Different scores: reject x4 y Same score Same score