Table 3

Pretest and post-tests scores


Pretest Mean (sd)
Post-test Mean (sd)
Effect size Cohen's d

Symptoms
8.71 (5.07)
7.56 (5.16)
-.22
Anxiety
2.56 (1.23)
2.39 (1.32)
-.13
Preoccupation
2.76 (1.04)
2.14 (1.23)
-.54
Conviction
3.47 (1.18)
2.78 (1.57)
-.50

Khazaal et al. BMC Psychiatry 2006 6:48   doi:10.1186/1471-244X-6-48