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Table 4 p-values from Scheffé post hoc tests for the PTSS-10 and the respective effect size Cohen’s d

From: Symptoms of posttraumatic stress disorder among targets of school bullying

 ConflictModerate bullyingSevere bullyingTraumatized
Control
 p-value0.9660.162<0 .001<0 .001
 Cohen’s d0.20.71.11.9
Conflict
 p-value0.5820.006<0 .001
 Cohen’s d0.50.91.7
Moderate bullying
 p-value 0.216<0 .001
 Cohen’s d 0.51.3
Severe bullying
 p-value  .062
 Cohen’s d  0.5