Research Article
Evaluating the Content Validity of Grade 10 Mathematics Model Examinations in Oromia National Regional State, Ethiopia
Table 2
The coefficient of concordance (W) observed value of S/x2 and the critical value of S∗/x2 associated with W’s significance.
| Categories | K | N | Rank total | Mean rank total | Observed value of S/x2 | W | Critical value of S∗/x2 |
| Taxonomy of educational domains | 8 | 3 | 48 | 16 | 128 | 1 | 48.10 | Cognitive domain of learning outcomes | 8 | 6 | 168 | 28 | 1076.50 | 0.9681 | 299 | Tests’ items to cognitive domain | 8 | 6 | 168 | 28 | 989.50 | 0.8963 | 299 | Tests’ items to major contents | 8 | 20 | 1680 | 84 | 151.06 | 0.9938 | 30.144 |
|
|