Table 2 Panel A: Five-Item Aggregate Pre-test vs. Post-test results: Fall Semester 2013 and Spring Semester 2014 Fall Semester Fall Semester Spring Semester 2013 2013 2014 MBA Managerial Paired-Sample Undergraduate Paired-Sample MBA Managerial Paired-Sample (n = 20) Cost (n = 25) (n = 31) t-test Statistic Pre-test Post-test Pre-test Post-test Pre-test Post-test p* df** p* df** p* df** Mean 0.40 0.68 < 0.0001 19 0.50 0.70 < 0.0001 24 0.47 0.74 < 0.0001 30 Median 0.40 0.70 0.60 0.80 0.60 0.80 SD 0.23 0.16 0.19 0.13 0.21 0.17 * Based on a two-tailed distribution **df = n −1 Panel B: Individual Item Analysis—Pretest vs. Post-test Results: Fall Semester 2013 and Spring Semester 2014 Fall 2013: MBA Managerial Fall 2013: Undergraduate Cost Spring 2014: MBA Managerial (n = 20) Accounting (n = 25) (n = 31) on mean difference** on mean difference on mean difference p-value p-value p-value Question #* Equal variance Unequal variances Equal variance Unequal variances Equal variance Unequal variances 1 0.048 0.058 0.052 0.094 0.001 0.003 2 0.015 0.011 0.067 0.071 0.009 0.013 3 0.035 0.013 0.055 0.045 0.022 0.021 4 0.048 0.060 0.106 0.132 0.016 0.034 5 0.086 0.060 0.015 0.045 0.052 0.021 *See Appendix. **Based on a two-tailed distribution.
Table 2 Panel A: Five-Item Aggregate Pre-test vs. Post-test results: Fall Semester 2013 and Spring Semester 2014 Fall Semester 2013 MBA Managerial (n = 20) Paired-Sample Fall Semester 2013 Undergraduate Cost (n = 25) Paired-Sample Spring Semester 2014 MBA Managerial (n = 31) Paired-Sample t-test Statistic Pre-test Post-test p* df** Pre-test Post-test p* df** Pre-test Post-test p* df** Mean 0.40 0.68 < 0.0001 19 0.50 0.70 < 0.0001 24 0.47 0.74 < 0.0001 30 Median 0.40 0.70 0.60 0.80 0.60 0.80 SD 0.23 0.16 0.19 0.13 0.21 0.17 * Based on a two-tailed distribution **df = n −1 Panel B: Individual Item Analysis—Pretest vs. Post-test Results: Fall Semester 2013 and Spring Semester 2014 Fall 2013: MBA Managerial (n = 20) Fall 2013: Undergraduate Cost Accounting (n = 25) Spring 2014: MBA Managerial (n = 31) p-value on mean difference** p-value on mean difference p-value on mean difference Question #* Equal variance Unequal variances Equal variance Unequal variances Equal variance Unequal variances 1 0.048 0.058 0.052 0.094 0.001 0.003 2 0.015 0.011 0.067 0.071 0.009 0.013 3 0.035 0.013 0.055 0.045 0.022 0.021 4 0.048 0.060 0.106 0.132 0.016 0.034 5 0.086 0.060 0.015 0.045 0.052 0.021 *See Appendix. **Based on a two-tailed distribution.
Regression_Analysis--2014_AAA_Annual_Meeting_%28ATL%29.docx