.


:




:

































 

 

 

 


(response error)




, , , . .

(surrogate information error) , , , . , ( ) , .

(measurement error) , , , . , , , , .

(population definition error) , , , . , .

. ?

, , : 50 ; 20% , ; 250 ; 30% , . , [24].

 

, .

(sampling frame error) , , , . , , , , , , .

(data analysis error) , . , .

, , , , .

(respondent selection error) , , , , , . , , Wall Street Journal 15 19 , .

(questioning error) , , . , , .

(recording error) , . , ( ), .

(cheating error) , . , , , .

, , .

(inability error) . - , , , , , . , , .

(unwillingness error) - . , , . , , Time, .

; , . , . , . , , .

, , , . , . , , , [25]. , . .

, , . , , . , . 30%. , . , 45% 55% . , . , .

 





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