Weekly hours of study (sample average = 13.7 hrs) | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 30 |
Satisfaction from knowledge (max = 7) | 4.82 | 4.84 | 4.86 | 4.88 | 4.90 | 4.92 | 4.94 | 5.04 |