교육수준의 10단계로 구분하였으며, 응답자의 정치성향은 7점 척도(➀: 진보 ∼ ➆: 보수)를 활용하여 측정하였다.
The education level was divided into 10 levels, and the political orientation of the respondents was measured using a 7-point scale (➀: Progressive ~ ➆: Conservative).