The steps for designing the overall structure of the questionnaire are as follows: first, based on the results of the operationalization, classify the variables, identify the independent variables, dependent variables and control variables, and make a list; second, design the interview questions or groups of interviews based on the form of the interviews for each variable. Secondly, for each variable, the interview questions or groups of questions are designed according to the interview format. Thirdly, the relationship and structure of the interview questions are planned as a whole. Finally, designing the supporting content of the questionnaire.