Mean N Std. Deviation Std. Error Mean Pair 1 Older_Patient 10.2000 15 2.21037 .57071 Younger_Patient 11.4000 15 2.66726 .68868 Paired Samples Correlations N Correlation Significance One-Sided p Two-Sided p Pair 1 Older_Patient & Younger_Patient 15 .591 .010 .020 Paired Samples Test Paired Differences t df Significance Mean Std. Deviation Std. Error Mean 95% Confidence Interval of the Difference One-Sided p Lower Upper Pair 1 Older_Patient - Younger_Patient -1.20000 2.24245 .57900 -2.44183 .04183 -2.073 14 .029 Paired Samples Test Significance Two-Sided p Pair 1 Older_Patient - Younger_Patient .057 Paired Samples Effect Sizes Standardizera Point Estimate 95% Confidence Interval Lower Upper Pair 1 Older_Patient - Younger_Patient Cohen's d 2.24245 -.535 -1.070 .016 Hedges' correction 2.37224 -.506 -1.011 .015 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor