| Poor Students | Good Students | t-Ratio | |
| n = 51 | n = 42 | df = 91 | |
| PEI | 4.72 (2.38) | 4.31 (2.32) | 0.85 ns |
| PEC | 3.59 (2.93) | 3.83 (2.98) | 0.40 ns |
| PEO | 3.67 (2.07) | 3.33 (2.04) | 0.78 ns |
| WEI | 5.65 (2.50) | 5.93 (2.02) | 0.59 ns |
| WEC | 5.82 (3.19) | 6.02 (3.10) | 0.31 ns |
| WEO | 3.84 (2.23) | 4.36 (2.02) | 1.15 ns |
| PRI | 3.78 (2.90) | 4.21 (2.98) | 0.70 ns |
| PRC | 4.39 (2.52) | 4.45 (2.82) | 0.11 ns |
| PRO | 4.72 (2.62) | 5.09 (2.56) | 0.68 ns |
| WRI | 6.14 (2.93) | 6.19 (2.79) | 0.09 ns |
| WRC | 2.23 (2.20) | 2.14 (2.07) | 0.21 ns |
| WRO | 5.76 (2.89) | 5.95 (2.38) | 0.34 ns |