迡 Ҹ å Դ. γ : ۰ ǰ Ȥ. ǰ ڿ β γ 鿩ٺ å̴.
ڴ 츮 ȸ ǰ ̸ ǰ 硯 ̷ ? 踦 ѷ , 迡 ã´. Ư Ҵ ķ ϸ鼭 ߴ .
˴ٽ Ȯ ߿ϴ. ȸ ǰ ݿϴ ߿ ̱ ̴. ̷ ҽ Ǿ ִٴ ̴. ٲ ϸ Ȯ ٴ .
ڴ Ȳ 簡 ܰ ִ ȸ ִ. , 簡 ֹ̳ ˸ ϴ ο ٰ ̴.
å ǰ 簡 Ǵ , ̶ ۵ , ǰ Ŀؼ ȭ Ȳ ̴. ̹ å γ ù ° ǰ ŭ ļ 2 3 غ.
ͳ ª ð ִ (snack knowledge) Ѵ. ϰ δ ڸ å̴. ̡ġ ߱Ѵ.
, ˸ vs ֹ
̶ۡ ݱ, ǰ
ǥƲ(Sampling Frame) - ȭ ִ?
⡯ -
ǰ , ִ
䱸 ְ, Ը
ְ,
Ż ȭ ʿ