The relationship between job performance and perceived organizational support in faculty members at Chinese universities: a questionnaire survey

Table 1 Fit Results of Tests of Unidimensionality for Procedural Justice (PJ), Distributive Justice (DJ), Perceived Organizational Support (POS), Job Satisfaction (JS), Positive Affectivity (PA), Affective Commitment (AC), and Performance

Scale	No. of items	χ²	df	Fit indices
				GFI	CFI	NFI	SRMR
Procedural Justice (PJ)	5	132.83	5	.92	.97	.96	.03
Distributive Justice (DJ)	5	354.64	5	.80	.88	.88	.07
POS	8	333.22	20	.87	.96	.96	.04
Job Satisfaction (JS)	5	54.45	5	.96	.94	.94	.06
Positive Affectivity (PA)	10	661.70	35	.81	.92	.92	.08
Affective Commitment (AC)	6	87.55	9	.95	.98	.98	.03
Performance	5	76.69	5	.95	.98	.98	.02
The whole scales	44	2038.33	805	.86	.95	.90	.10

Note. All chi-squared values were significant, p < .001. GFI = goodness of fit index; CFI = comparative fit index; NFI = normed fit index; SRMR = standardized root mean square residual.