A.確保提問(wèn)時(shí)的問(wèn)題要科學(xué)準(zhǔn)確 B.準(zhǔn)確、完整地收集信息 C.盡量減少記錄和數(shù)據(jù)錄入的錯(cuò)誤 D.遵守安全程序、保證數(shù)據(jù)的機(jī)密性 E.對(duì)缺失數(shù)據(jù)進(jìn)行插補(bǔ)
A.尋找樣本單元并與他們合作 B.提問(wèn) C.記錄答案 D.數(shù)據(jù)審核 E.數(shù)據(jù)插補(bǔ)
A.按正面方式提問(wèn) B.對(duì)正確的回答要進(jìn)行鼓勵(lì) C.嚴(yán)格按問(wèn)卷的措辭提問(wèn) D.每個(gè)問(wèn)題都應(yīng)該問(wèn)及 E.重要的先問(wèn),次要的后問(wèn)