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6.6.

, , [Anderson (1957)], , [Rubin (1974)]. . 6.2, [Rubin (1974)]. , :

1) . . , , ;

2) , . . , , , ;

3) , .

. 6.2 . : , ! , , [Rubin (1974), 2].

, ( ) . , (, ) . .

[Rubin (1974)] , , . 6.2, , . , , , .

6.9. . [Lord (1965)] [Anderson (1957)] , . 6.2, , , , , , , : , 8 , 9 , 3 , 3 3 .

. 6.2. , ,

, , () . . , , ,

(file matching), . , , Internal Revenue Service, IRS ( ), , Social Security Administration, SSA ( ). SSA , , . , . [Rubin (1986)].

. 6.10. . [Rubin and Thayer (1978)] , . , , , . , , , . . . 6.3 , 6.9.

X , . . - , .

, . , , . , (, 1),

. 6.3. (. ) (1 , 0 - )

( , ). . 6.4.

(Education Tfesting Service) , . 6.3 X [. Rubin and Thayer (1978)].

, SWEEP-

. 6.4. [Rubin and Thayer (1978)].

. .

1. - ,

2. - , X , , .

3. - , , ,

4. - , X X, ,

5. , . () -

:

(6.23) , . 5 ,

6. , . -:

, - (6.23)

. , 0,999, 0,996, 0,990. 5 0,50, 0,54 0,52.

5- 6- , . 6.4. [Rubin and Thayer - , . () , .

(. )

(. )

(. )

(. )

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