Table 4.
Comparison of the results of participants’ knowledge before and after the intervention
| Control Group | Intervention Group | Total | ||||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Knowledge (Before) | 2.59 | 1.14 | 2.51 | 1.06 | 2.55 | 1.10 |
| Knowledge (After) | 4.86 | 1.40 | 5.59 | 0.67 | 5.25 | 1.14 |
| Test Result |
t=−7.39 df = 43 p = 0.001 |
t=−17.18 df = 48 p = 0.001 |
t=−15.20 df = 92 p = 0.001 |
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The paired t-test was used for comparison the result of participants’ knowledge before and after the intervention
Effect size dppc2 sensu Morris (2008) = 0.73
Effect size dKorr sensu klaauer (2001) = 0.75