Interpersonal communication before and two months after intervention

Intervention 1 (booklet study)

Intervention 2 (workshop)

Before intervention

Two months after intervention

Before intervention

Two months after intervention

Mean ± SD

96.56 ± 11.71

99.92 ± 12.43

100.14 ± 6.61

115.72 ± 10.92

Paired T-test results

P < 0.001

df = 49

t = −627.7

P < 0.001

df = 47

t = −110.12