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Numerical results comparing the mean number of correct, incorrect and unsure responses per participant of both control and intervention groups. |
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| Control |
Intervention group |
t test |
Control |
Intervention group |
t test |
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| group (pre test) n = 106 |
(pre test) n = 111 |
p value control vs. intervention (pre test) |
group (post test) n = 106 |
(post test) n = 111 |
p value control vs. intervention (post test) |
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| Mean number of correct responses per participant |
19.0 (95% CI: 17.8–20.1) SD: 5.4 |
18.1 (95% CI: 16.9–19.2) SD: 5.8 |
P = 0.19 |
20.0 (95% CI: 18.9–21.0) SD: 5.2 |
27.0 (95% CI: 25.9–28.1) SD: 5.5 |
P < 0.001 |
| Mean number of incorrect responses per participant |
8.6 (95% CI: 7.5–9.7) SD: 5.0 |
9.4 (95% CI: 8.2–10.5) SD: 4.8 |
P = 0.27 |
7.7 (95% CI: 6.6–8.7) SD: 4.6 |
8.3 (95% CI: 7.4–9.4) SD: 4.6 |
P = 0.35 |
| Mean number of "unsure" responses per participant |
9.3 (95% CI: 8.2–10.4) SD: 6.7 |
9.6 (95% CI: 8.5–10.7) SD: 7.3 |
P = 0.78 |
9.4 (95% CI: 8.3–10.5) SD: 6.7 |
1.8 (95% CI: 1.2–2.3)" SD: 3.0 |
P < 0.001 |
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95% confidence intervals are also shown, along with standard deviations (SD). Data are from pretest and posttest surveys given to each group. P-values are generated using the 2- samplet-test, and considered statistically significant at p < 0.05. | ||||||
Dhawan et al. International Archives of Medicine 2008 1:14 doi:10.1186/1755-7682-1-14 |
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