Interpersonal communication before and immediately after

Intervention 1 (booklet study)

Intervention 2 (workshop)

Before intervention

Immediately after intervention

Before intervention

Immediately after intervention

Mean ± SD

96.56 ± 11.71

99.80 ± 12.40

100.14 ± 6.61

117.12 ± 10.19

Paired T-test results

P < 0.001

df = 49

t = −408.8

P < 0.001

df = 47

t = −808.13