Unformatted text preview: o Ex. 300 (N) people participated, 161 (n) are female Chi Square & Crosstabs • Nonparametric • Nominal variables • Expected v. observed • Can assume equal occurrence • Can compare differences in cell size for two nominal variables • Analyze > descriptive statistics > cross tabs ( buttons on SPSS) o In the crosstabs pop-up box click stats: check chi square o The click cells: check percentages (all) and observed • Ex. You might do gender against political ID (Gender * PID) to see if men are more likely to be democrats, etc. • P-value = probability, significance o P≤.05 o A quality p value (less than .05) shows you that your results are due to something other than chance • In chi-square table: o We care about Asymp. Sig. which should be less than .05...
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- Fall '09
- Statistics, CHI SQUARE, Nominal level data, box click stats