The objectives of this research were to study and verify structural equation model of business ethics, organization culture, employee engagement and job performance of flight attendants. The sample group comprised of premium airlines’ flight attendants. The multiple variables were 10-20 times of observed variables. Since 16 observed variables were set in this research, the sample group size was determined as 20 times of variables. Thus, the appropriate sample group size was at least 320 cases. To ensure that congruence test of empirical data ...