Table 2. Average scores, confidence with final diagnosis, time on task, and feedback requests by groups of concept maps—Group C (correct diagnosis was made on first attempt), group W (correct final diagnosis was submitted after first attempt) and group S (correct diagnosis provided by the system).
| Variable | Group C | Group W | Group S |
|---|---|---|---|
| Number of maps | 822 (59.0%) | 183 (13.1%) | 388 (27.9%) |
| Summary statement composed* | 57% a (n = 458) |
58% b
(n = 105) |
38% ab
(n = 128) |
| Summary statement score | 0.25 a | 0.21 | 0.18 a |
| Mean confidence | 63.95% a | 62.64% b | 50.26% ab |
| Score for problem list | 0.15 a | 0.14 b | 0.09 ab |
| Score for differential list | 0.14 ac | 0.10 bc | 0.04 ab |
| Score for test list | 0.21 a | 0.24 b | 0.18 ab |
| Score for treatment list | 0.10 | 0.12 a | 0.07 a |
| Premature closure* | - | 0.18 a | 0.09 a |
| Click on feedback | 1.98 | 2.19 | 1.87 |
| Time on task | 20.57 min | 20.83 min | 18.91 min |
Averages in each row with the same superscript letters differ significantly (with Tukey HSD, p< .05, at least).
*Generalized Estimating Equations (GEE); other analyses are generalized linear mixed modeling