Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.mce.biophys.msu.ru/archive/doc15664/doc.pdf Дата изменения: Fri Oct 26 20:06:50 2007 Дата индексирования: Mon Oct 1 20:29:24 2012 Кодировка:

.., .., .. () . , . THE STRATEGY OF TESTS COMPOSITION FOR LARGE GROUPS OF EXAMINEES WITH DIFFERENT LEVELS OF KNOWLEDGE Gavrilov A.I., Gavrilov I.A., Hairjuzova E.V., Shaposhnicova T.L. (Krasnodar) The results of usage criterion of exponential increasing difficulty are discussed, especially in selection of tasks for doing tests in large groups of examinees. It is shown that for the chosen tasks the test results describe as similar distributions in the groups of different level. () , . , .
304

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.. . -- -10, 2002, .304-305

, . "", . , , , . : , , , . , , : , , , , . . , "" . . , , . . 74 . 27 ( ) : . , , . , , , . 1 .
305


4. 1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 47 72 72 72 68 20 30 54 23 53 13 29 31 57 15 16 17 18 19 20 21 22 23 24 25 26 27 29 1 54 53 9 37 9 2 35 36 22 5 21

. 1. , () N0 ­ 1 1
N = ( N 0 - 1)e
- ( k -1)

,

(1) (2)

=

ln( N 0 - 1) . M -1

: N0 -- ; k = 1, 2, ..., M ­ ; M ­ ; N ­ . (1) 2, 14, 1, 20, 13, 15, 9, 6, 11, 19, 21, 26, 22, 16, .. 14 . . 2. , , .3 -- 5. .1 2. . 6 ,
306


.. . -- -10, 2002, .304-307

. , , , .

. 1. 27

. 2. 14

. 3. 1 (22 )

307


4.

. 4. 2 (21 )

. 5. 3 (32 )

. 6. : 1 ­ ; 2 ­ 1; 3 ­ 2; 4 ­ 3

,
k k k = PM ( k ) = AC M p0 e N0
-k
2

(1 - p0 e

-k M -k

)

,

(3)

C

k M

-- ; , p0,
308


.. . -- -10, 2002, .304-309

­ , . p0 , .. . , .. . 1,5. 1 2 0,17, 3 0,12. . 0 0,9, ­ 0 0,8, 1 2 . : . , . , .

309