Table 3.
Item distractor analysis of clinical scenarios vs. stand-alone MCQs in APS-III.
| Year | 2011–2012 | 2012–2013 | 2013–2014 |
|---|---|---|---|
| Number of students | 202 | 194 | 221 |
| Number of clinical scenarios | 18 | 21 | 19 |
| Clinical scenarios | Stand alone | Total | Clinical scenarios | Stand alone | Total | Clinical scenarios | Stand alone | Total | |
|---|---|---|---|---|---|---|---|---|---|
| Total number of items | 67 (89.3%) | 8 (10.7%) | 75 (100%) | 63 (84.0%) | 12 (16.0%) | 75 (100%) | 58 (73.3%) | 17 (22.7%) | 75 (100%) |
| No of items with all-functioning distractors | 24 (35.8%) | 2 (25%) | 26 (34.7%) | 22 (34.9%) | 6 (50%) | 28 (37.3%) | 29 (50.0%) | 8 (47.1%) | 37 (49.3%) |
| No of items with non-functioning distractors | 43 (64.2%) | 6 (75%) | 49 (65.3%) | 41 (65.1%) | 6 (50%) | 47 (62.7%) | 29 (50.0%) | 9 (52.9%) | 38 (50.7%) |
| Total number of distractors | 201 | 24 | 225 | 189 | 36 | 225 | 174 | 51 | 225 |
| Total no of non-functioning distractors (<5%) | 69 (34.3%) | 10 (41.7%) | 79 (35.1%) | 63 (33.3%) | 7 (19.4%) | 70 (31.1%) | 64 (36.8%)) | 9 (17.6%) | 73 (32.4%) |
| χ2 (with Yates corrections) | 0.046; P > .05 | 0.441; P > .05 | 0.004; P > .05 | ||||||