Table 3 Differences in mean skills scores pre- and post-SDA intervention (n = 54)
Mean, SD | 95% CI | P value | Cohen's d | |
|---|---|---|---|---|
PPH skills scores (out of 100) | ||||
Pre, mean (SD) | 63.4 (9.8) | (60.8, 66.2) | 0.002 | 0.3 |
Post, mean (SD) | 66.1 (11.2) | (63.1, 69.2) | ||
Pre–post difference, mean (SD) | 2.6 ( 5.9) | (1.1, 4.3) | ||
NR skills scores (out of 100) | ||||
Pre, mean (SD) | 56.5 (7.1) | (54.6, 58.5) | < .001 | 0.7 |
Post, mean (SD) | 62.1 (8.4) | (59.8, 64.4) | ||
Pre–post difference, mean (SD) | 5.5( 6.9) | (3.7, 7.4) | ||