Table 3. The scores on Validity scales and Clinical scales at pre- and post- treatment

Variable (n=22)	Pre- treatment M(SD)	Post- treatment M(SD)	t	p	Cohen’s d
Validity scales
VRIN	40.70±6.84	42.61±7.14	1.29	0.209	0.273
TRIN	55.7±3.78	55.74±4.62	0.04	0.967	0.009
F	61.48±10.03	56.96±12.42	1.77	0.090	0.396
Fb	64.22±10.90	57.13±13.64	3.03	0.006	0.567
Fp	52.26±7.47	49.52±8.45	1.85	0.078	0.342
FBS	59.22±10.86	54.04±11.75	2.259	0.034	0.457
L	44.04±8.05	43.48±8.93	0.37	0.714	0.066
K	39.13±9.00	39.78±8.57	0.46	0.653	0.074
S	40.35±10.01	41.78±11.75	0.74	0.466	0.130
Clinical scales
Hs: Hypochondriasis	54.57±10.38	50.91±10.40	2.061	0.051	0.352
D: Depression	62.48±8.52	56.17±10.54	3.25	0.004**	0.651
Hy: Hysteria	53.7±9.51	49.96±8.18	2.29	0.032*	0.419
Pd: Psychopathic deviate	57.65±9.84	58.91±14.54	0.48	0.634	0.098
Mf: Masculinity-femininity	47.65±8.45	47.00±10.14	0.37	0.719	0.069
Pa: Paranoia	63.65±14.10	57.96±15.88	2.01	0.057	0.378
Pt: Psychasthenia	65.13±10.89	58.74±12.60	1.98	0.061	0.540
Sc: Schizophrenia	64.70±12.01	58.70±13.12	2.13	0.045*	0.476
Ma: Hypomania	54.52±13.96	54.35±10.17	0.08	0.935	0.014
Si: Social introversion	66.35±8.17	61.87±11.34	2.30	0.032*	0.442

p<.05,
p<.01,
p<.001
MMPI-2: Minnesota Multiphasic Personality Inventory-2, M:Mean, SD=Standard deviation, Validity scales; VRIN=Variable response inconsistency/ TRIN=True response inconsistency/ F = Infrequency/ Fb = Back infrequency/ Fp = Infrequency psychopathology/ L = Lie/ K = Correction/ S= Superlative self-presentation//