Table 2.

Table of customer satisfaction coefficients (Hussain et al. 2015)

Customer Satisfaction (CS) Coefficients
Requirements	SI	DI
R1	.64	−.53
R2	.60	−.43
R3	.70	−.62
R4	.72	−.62
R5	.52	−.48

R1–R5 (requirements)