PSYCHOLOGICAL MEASUREMENT AND PREDICTION. PART VI. SPECIAL TOPICS,
BURROUGHS WELLCOME AND CO U S A INC TUCKAHOE N Y
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This is one part of a series of reports on psychological measurement. It is hoped that these reports may further the synthesis and integration of psychometrics and psy chological scaling. The problems and methods of item analysis are discussed. Single index and dual index types of item analysis, as well as item analysis procedures for items having no best answers are considered. The administration of tests for item analysis purposes is discussed. The effects of speededness on test score statistics, the construction and scoring of speeded tests, and the administration of no-correct-answer type tests are considered systematically. The effects of sample selection on statistics is evaluated. A partial treatment of psychological processes as a function of age is given.