Table 7 Statistical significance of difference between expert knowledge (psychologists’) and fuzzy expert systems levels prediction
Levels | GC | GF | GRW | GQ | GSM | GLR | GW | GS | GA |
|---|---|---|---|---|---|---|---|---|---|
Expert mean | 5.1408 | 5.1721 | 5.3627 | 5.1664 | 4.2091 | 3.8492 | 5.0612 | 3.6686 | 5.6046 |
FES mean | 4.9218 | 5.0071 | 5.1522 | 5.0057 | 4.0996 | 3.8606 | 4.8606 | 3.6700 | 5.3954 |
Difference | 0.2191 | 0.1650 | 0.2105 | 0.1607 | 0.1095 | -0.0114 | 0.2006 | -0.0014 | 0.2091 |
P-value (ANOVA) | 0.0002 | 0.0055 | 0.0001 | 0.0069 | 0.1332 | 0.8829 | 0.0031 | 0.9873 | 0.0000 |
P-value (K-W) | 0.0005 | 0.0044 | 0.0002 | 0.0062 | 0.0575 | 0.9961 | 0.0002 | 0.7626 | 0.0000 |
Stat.signif. 5% (ANOVA) | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes |
Stat.signif. 5% (K-W) | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes |
| Â | REJECT | REJECT | REJECT | REJECT | ACCEPT | ACCEPT | REJECT | ACCEPT | REJECT |