| Subscale | KMO | Barlett sphericity test | ||
| X2 | gl | p | ||
| Circle of ideas | .690 | 305.388 | 15 | .000 |
| Conversations groups | .845 | 570.581 | 28 | .000 |
| Critical debates | .901 | 1563.210 | 55 | .000 |
| Role playing game | .937 | 2000.531 | 66 | .000 |
| Test teams | .889 | 839.737 | 21 | .000 |
| Puzzle | .920 | 1079.378 | 15 | .000 |
| Case studies | .933 | 1646.364 | 15 | .000 |
| Structured problem solving | .905 | 823.252 | 15 | .000 |
| Collaborative writing | .937 | 1888.203 | 36 | .000 |