N of Rows in Working Data File 9282 Missing Value Handling Definition of Missing User defined missing values are treated as missing. Cases Used Statistics for each analysis are based on the cases with no missing or out-of-range data for any variable in the analysis. Syntax T-TEST GROUPS=gun('yes' 'no') /MISSING=ANALYSIS /VARIABLES=ABUSE /ES DISPLAY(TRUE) /CRITERIA=CI(.95). Group Statistics Threatened others with a gun N Mean Std. Deviation Std. Error Mean Frequency of childhood abuse experiences yes 248 10.9476 4.39097 .27883 no 5341 9.0367 3.27894 .04487 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means F Sig. t df Significance Mean Difference Std. Error Difference 95% Confidence Interval of the Difference One-Sided p Two-Sided p Lower Upper Frequency of childhood abuse experiences Equal variances assumed 39.125 <.001 8.818 5587 <.001 <.001 1.91088 .21670 1.48608 2.33569 Equal variances not assumed 6.766 259.948 <.001 <.001 1.91088 .28241 1.35477 2.46699 Independent Samples Effect Sizes Standardizera Point Estimate 95% Confidence Interval Lower Upper Frequency of childhood abuse exReport the relevant statistics based on the SPSS output, indicating t, p, and df using the correct notation (see page 206). Indicate if t is statistically significant. Also, compute the effect size (ES), and indicate if it is small, medium, or large (see page 196)