Technical Report - International Military Testing Association

-..
:.. . ,
/
_ :.
. .A.
.
.
-
---. *
I
.
;
. -
i
, -.
.
.
Since &zm statistics ralata to the statistical charactcrtstfcs
of tests as ,indiceted fin tb above formulas, it is further possible
for test spclaliats to exercise more control wet thase aspects. This
furth3t control fs possibla becPus8 each stetistfcal charectaristic of
a redeveloped test can I32 estimated from Ftem ztatfsttcs which ~111 %e
provided on each 140s Rvaluation Item Card. The sumatioa of these .Ltcm
statistics and entry Znto the proper equations for the eatkstion of
aech of the test statistics is thereby fccillated. Items to be included
in a redeveloped tent could then bo varied in order to more closaly
approach tha desired set of statfatical charactcrlstics.
la sunstmry, action coding procedures tsnd to channel efforts in
item selection and item revisfcn touardr HOS EvalustFm Tests of dosired
characteristics; and access to pertinent item statistics on the part of
test specfallsta vFl1 prwlde for a more accurate approzcinution of the
desired set of statistical charactertstics when redeveloped tests are
subsequently used tn evaluation tasting.
Reference
Cullikaen, H., ‘fieor]! ef F?ental T& Xew ‘York: Wiley, 1958.
.I -
49
‘.
!<
,!
�� �
.: