Distinctive Characteristics of Psychometric Statistics--Problems Arising From Errors of Measurement

Author(s):

Lord, Frederic M.

Publication Year:

1957

Report Number:

RM-57-12

Source:

ETS Research Memorandum

Document Type:

Report

Page Count:

15

Subject/Key Words:

Error of Measurement, Psychometrics, Statistical Bias, Testing Problems, True Scores

Abstract

This paper was read as part of a symposium at the September 1957 meetings of the American Statistical Association. The author restricts discussion to mental test theory, a small but active area within psychometric theory. The language of achievement testing and aptitude testing is used, but the material has applications for other types of tests. A theoretical structure is outlined suggesting some moderately distinctive characteristics and for dealing with problems arising from errors of measurement.

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