Influence of Social Network Strength on Entrepreneurial Opportunity Recognition: A Chain Mediation Model of Need Knowledge and Technological Knowledge

Table 3

Discriminant validity: comparing measurement models.

Model	Description	X^2	df	ΔX^2	CFI	IFI	RMSEA
Model 1	Four factors and three control variables: SNS, NK, TK, EOR, GEN, EDU, and EXP	224.152	117		0.945	0.946	0.051
Model 2	Three factors and three control variables: NK and TK were combined into one factor	314.509	123	90.357	0.902	0.903	0.067
Model 3	Three factors and three control variables: NK and EOR were combined into one factor	298.855	123	74.703	0.910	0.911	0.064
Model 4	Three factors and three control variables: TK and EOR were combined into one factor	338.086	123	113.934	0.890	0.891	0.071

Note. GEN = gender, EDU = education level, EXP = work experience related to IT, SNS = social network strength, NK = need knowledge, TK = technological knowledge, and EOR = entrepreneurial opportunity recognition. (two-tailed).