research methodology

theoretical research: language로 justification

ex) a==b, b==c ==> a==c

 

ecperical research(실증적연구), scientific approach, statistical  approach

- case study

- field study: not manipulate independent variable but designing is possible

- field experiment: manipulate independent variable

- laboratory experiment

- sample survey

(sample이 population을 대표할 수 있는지 확인. questionaire의 적합성, questionaire에 대한 pilot test, bias확인 및 제거)

 

- Mc Farans's book