Table 4 Descriptive Statistics (Post-Tests)
N | Mean | Std. Deviation | Std. Error | 95% Confidence Interval for Mean | Minimum | Maximum | ||
|---|---|---|---|---|---|---|---|---|
Lower Bound | Upper Bound | |||||||
IB Group | 18 | 16.6221 | 1.25506 | .29582 | 15.9870 | 17.2352 | 15.00 | 19.00 |
OB Group | 18 | 16.7500 | 1.48769 | .35065 | 16.0102 | 17.4898 | 14.50 | 19.00 |
Control Group | 18 | 9.3611 | 1.65214 | .38941 | 8.5395 | 10.1827 | 6.50 | 12.00 |
Total | 54 | 14.2407 | 3.77147 | .51323 | 13.2113 | 15.2702 | 6.50 | 19.00 |