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PS 233

2. Standards of Model Evaluation. Statistical Significance of CoefficientsT-testsSubstantive Size of EffectsGenerate predictions from the modelSize of ResidualsCompare to substantive effectsForecasting Out-of-Sample. 3. Statistical Significance of Coefficients. First thing we want to do with a model is see if the coefficients relevant for our theory are discernable from zeroT-tests give us confidence that relationships we observe are generalizableDon't get too focused on .05 as a

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PS 233

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