Table 1 Generalizability theory study (G study) results for the scores of medical students (n = 46) in professional competencies using two PBL tutors as raters and four measurement occasions in PBL tutorials
Facets | df | SS | MS | Variance component | Percent variance |
|---|---|---|---|---|---|
Students (s) | 45.00 | 51.10 | 1.14 | 0.12 | 27.0% |
Occasion (t) | 3.00 | 16. 88 | 5.63 | 0.04 | 10.0% |
Rater (r): t | 4.00 | 7.23 | 1.81 | 0.03 | 8.0% |
s × t | 135.00 | 26.83 | 0.20 | 0.00 | 0.0% |
s × r:t | 180.00 | 42.48 | 0.24 | 0.24 | 55.0% |
G coefficient: 0.80 | |||||
Absolute SEM: 0.21 | |||||