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SHORTCUT ITEM‐TEST CORRELATIONS FOR TEACHER‐MADE TESTS
Author(s) -
DIEDERICH PAUL B.
Publication year - 1970
Publication title -
journal of educational measurement
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.917
H-Index - 47
eISSN - 1745-3984
pISSN - 0022-0655
DOI - 10.1111/j.1745-3984.1970.tb00692.x
Subject(s) - test (biology) , correlation , statistics , psychology , item analysis , mathematics education , significant difference , mathematics , psychometrics , paleontology , geometry , biology
The item‐test correlation is approximately equal to the difference between per‐cents correct in high and low groups, each including 27% of the students tested.