One-Sample Statistics 6.A Std. Error N Mean Std. Deviation Paper Folding Test Total Scores 73 6.8493 2.08614 Mean .24416 One-Sample Test Test Value = 7.20 Significance t df One-Sided p Two-Sided p Mean Difference Paper Folding Test Total Scores -1.436 72 .078 .155 -.35068 95% Confidence Interval of the Difference Lower Upper -.8374 .1360 One-Sample Effect Sizes 95% Confidence Interval a Standardizer Point Estimate Lower Upper 2.08614 2.10819 -.168 -.399 .064 -.166 -.394 .063 Paper Folding Test Total Scores Cohen's d Hedges' correction a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation. Hedges' correction uses the sample standard deviation, plus a correction factor.