Table 2.

Means, SDs of PSI-SF at T1 and T2, and tests for differences.

	T1	T2	t(16)	p	d
	M ± SD	M ± SD
MATERNAL SCALES
Parental distress	28.88 ± 9.02	29.18 ± 8.45	−0.24	0.81	0.03
Parent-child dysf unctional interaction	23.12 ± 5.80	22.12 ± 5.69	0.82	0.42	0.17
Difficult child	31.94 ± 8.59	30.94 ± 8.09	0.72	0.48	0.12
Total	83.94 ± 18.77	82.24 ± 18.10	0.54	0.60	0.09
PATERNAL SCALES
Parental distress	27.41 ± 6.57	28.71 ± 6.89	−0.95	0.36	0.19
Parent-child dysfunctional interaction	23.71 ± 6.53	25.06 ± 6.15	−0.99	0.34	0.21
Difficult child	31.65 ± 6.90	33.29 ± 6.18	−0.85	0.41	0.25
Total	82.76 ± 14.18	87.06 ± 13.16	−1.35	0.20	0.31