The test for severe impairment: An instrument for the assessment of patients with severe cognitive dysfunction

Marilyn Albert, C. Cohen

Research output: Contribution to journalArticle

Abstract

Objective: To develop a reliable and valid test of cognitive function suitable for patients with severe cognitive impairment. Design: Administration of a test; test-retest reliability; comparison to traditional test. Setting: Chronic long-term-care facility. Patients or Other Participants: The participants were 40 elderly residents with severe cognitive impairment. Main Outcome Measures: Results of the Test for Severe Impairment (TSI) and its subsections (language, memory, executive function, and motor performance); correlation of test and retest scores; correlation of TSI with Mini-Mental State Exam. Results: The TSI was significantly correlated with the Mini-Mental State Exam (r = 0.83, P ≤ 0.0001). Test- retest reliability was high (r = 0.96, P <0.0001). The internal reliability of the test was also good (alpha = 0.90). Preliminary result of a factor analysis suggests that factor scores may be derived that relate to memory, language production, and knowledge of body parts. Conclusions: The TSI is a valid and reliable test of cognitive function in patients with severe cognitive impairment. It is appropriate to use it as a unified scale.

Original languageEnglish (US)
Pages (from-to)449-453
Number of pages5
JournalJournal of the American Geriatrics Society
Volume40
Issue number5
StatePublished - 1992
Externally publishedYes

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Reproducibility of Results
Cognition
Language
Executive Function
Long-Term Care
Human Body
Statistical Factor Analysis
Outcome Assessment (Health Care)
Cognitive Dysfunction

ASJC Scopus subject areas

  • Geriatrics and Gerontology

Cite this

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abstract = "Objective: To develop a reliable and valid test of cognitive function suitable for patients with severe cognitive impairment. Design: Administration of a test; test-retest reliability; comparison to traditional test. Setting: Chronic long-term-care facility. Patients or Other Participants: The participants were 40 elderly residents with severe cognitive impairment. Main Outcome Measures: Results of the Test for Severe Impairment (TSI) and its subsections (language, memory, executive function, and motor performance); correlation of test and retest scores; correlation of TSI with Mini-Mental State Exam. Results: The TSI was significantly correlated with the Mini-Mental State Exam (r = 0.83, P ≤ 0.0001). Test- retest reliability was high (r = 0.96, P <0.0001). The internal reliability of the test was also good (alpha = 0.90). Preliminary result of a factor analysis suggests that factor scores may be derived that relate to memory, language production, and knowledge of body parts. Conclusions: The TSI is a valid and reliable test of cognitive function in patients with severe cognitive impairment. It is appropriate to use it as a unified scale.",
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