Psychometric Properties of the Halstead Category Test

Michael N. Lopez · Richard A. Charter

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Psychological Testing and Assessment Psychometric Methodologies and Testing Historical and Modern Theater Studies

Abstract

Using the Kuder-Richardson formula 20 (KR-20) corrected for item difficulty, the internal consistency reliability of the Halstead Category Test (HCT) was calculated for a sample (N = 398) of normal patients and volunteers, diffusely brain-damaged patients, and undiagnosed patients sent for neuropsychological assessment. The HCT Total Score reliability was.9716 and the subtest reliabilities ranged from.4587 to.9590. An item analysis found that most of the test items, except for those from Subtests I and II, were within established criteria for item difficulty and the discrimination index.

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References

1984Essentials of Behavioral Research: Methods and Data Analysis 1993The Halstead-Reitan neuropsychological test battery: Theory and clinical interpretation 1995Neuropsychological assessment, 3rd ed.1981Handbook of clinical neuropsychology 1953An Application of Confidence Intervals and of Maximum Likelihood to the Estimation of an Examinee's Ability 1966The reliability and validity of the Halstead Category Test 1987Reliability of the WAIS, WMS, and reitan battery: raw scores and standardized scores corrected for age and education 1991Understanding the Halstead Category Test by using item analysis.

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2019Psychometric Equivalence of the Computerized and Original Halstead Category Test Using a Matched Archival Sample

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