Table 6 Dissimilarity matrix (re-scaled Euclidean distance)
| Â | Â | CG | EG | ||
|---|---|---|---|---|---|
| Â | Â | ESE-pre | ESE-post | ESE-pre | ESE-post |
Factor 1: Conceptual understanding | Â | Â | |||
CG | ESE-pre | 0.000 | Â | Â | Â |
| Â | ESE-post | 0.581 | 0.000 | Â | Â |
EG | ESE-pre | 0.000 | 0.542 | 0.000 | Â |
| Â | ESE-post | 0.988 | 0.409 | 1.000 | 0.000 |
Factor 2: Laboratory hazards | Â | Â | |||
CG | ESE-pre | 0.000 | Â | Â | Â |
| Â | ESE-post | 0.562 | 0.000 | Â | Â |
EG | ESE-pre | 0.000 | 0.594 | 0.000 | Â |
| Â | ESE-post | 0.922 | 0.366 | 1.000 | 0.000 |
Factor 3: Procedural complexity | Â | Â | |||
CG | ESE-pre | 0.000 | Â | Â | Â |
| Â | ESE-post | 0.637 | 0.000 | Â | Â |
EG | ESE-pre | 0.000 | 0.582 | 0.000 | Â |
| Â | ESE-post | 1.000 | 0.411 | 0.943 | 0.000 |
Factor 4: lack of sufficient resources | Â | Â | |||
CG | ESE-pre | 0.000 | Â | Â | Â |
| Â | ESE-post | 0.591 | 0.000 | Â | Â |
EG | ESE-pre | 0.000 | 0.576 | 0.000 | Â |
| Â | ESE-post | 0.998 | 0.439 | 1.000 | 0.000 |