Table 3.

Comparison of the assertiveness scores of the experimental and control groups

Assertiveness	Pretest X̄  ±  SD	P1	Posttest X̄  ±  SD	P2	P3
Experimental group	10.46 ± 16.17	t: 0.735, p: 0.464	19.83 ± 11.61	t: 2.511, p : 0.015	t: −3.441, p : 0.001
Control group	8.10 ± 14.31		10.08 ± 22.45		t: −0.594, p: 0.556

Note: P1: Comparison of the means of pretest scores of the experimental and control groups. P2: Comparison of the means of posttest scores of the experimental and control groups. P3: Comparison of the means of pretest and posttest scores.