Open AccessA NOTE ON THE VARIANCES OF EMPIRICALLY DERIVED OPTION SCORING WEIGHTS 1
Author(s) -
Echternacht Gary
Publication year - 1973
Publication title -
ets research bulletin series
Language(s) - English
Resource type - Journals
eISSN - 2333-8504
pISSN - 0424-6144
DOI - 10.1002/j.2333-8504.1973.tb00201.x
Subject(s) - statistics , variable (mathematics) , econometrics , mathematics , test (biology) , psychology , mathematical analysis , biology , paleontology
Estimates for the variances of empirically determined scoring weights are given. It is also shown that test item writers should write distractors that discriminate on the criterion variable when this type of scoring is used.