Analysis Model Design of the Intermediary Role of Psychological Expectation in Customer Value Proposition Driven Business Model Innovation against the Background of Big Data

Table 2

Reliability test of latent variables.

Latent variable	Number of measurable variables	Cronbach’s alpha
Customer value proposition	3	0.674
Psychological contract	5	0.884
Business model innovation	4	0.769
Total amount	12	0.916