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A lifetime of intelligence: Follow-up studies of the Scottish mental surveys of 1932 and 1947.Validating the National Adult Reading Test.

A lifetime of intelligence: Follow-up studies of the Scottish mental surveys of 1932 and 1947.:... One test that is widely used in the United Kingdom to estimate premorbid intelligence is the National Adult Reading Test (NART; Nelson & Willison, 1991). The NART is simple to administer and to perform. The person taking the test is asked to look at and pronounce, aloud, 50 words. None of the words fully follows the usual rules of English grapheme-phoneme correspondence or stress (e.g., ache, thyme, topiary). Therefore, if a person has not encountered the NART's words previously, applying normal rules of pronunciation will not lead to the correct answer. The NART, though, lacked retrospective validity. In comparing the NART estimates of premorbid IQ with the estimates from the Scottish Mental Surveys (SMSs), we were able to validate the NART. This important validation will allow researchers and practitioners to estimate premorbid IQ and thereby estimate lifetime cognitive change. In this chapter, we discuss how the NART was validated for older people both without and with dementia. We then discuss the use of the NART to estimate lifetime cognitive change in people without premorbid intelligence test scores. (PsycInfo Database Record (c) 2024 APA, all rights reserved) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A lifetime of intelligence: Follow-up studies of the Scottish mental surveys of 1932 and 1947.Validating the National Adult Reading Test.

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Publisher
American Psychological Association
Copyright
Copyright © 2009 American Psychological Association
Pages
217 –224
DOI
10.1037/11857-011
Publisher site
See Chapter on Publisher Site

Abstract

One test that is widely used in the United Kingdom to estimate premorbid intelligence is the National Adult Reading Test (NART; Nelson & Willison, 1991). The NART is simple to administer and to perform. The person taking the test is asked to look at and pronounce, aloud, 50 words. None of the words fully follows the usual rules of English grapheme-phoneme correspondence or stress (e.g., ache, thyme, topiary). Therefore, if a person has not encountered the NART's words previously, applying normal rules of pronunciation will not lead to the correct answer. The NART, though, lacked retrospective validity. In comparing the NART estimates of premorbid IQ with the estimates from the Scottish Mental Surveys (SMSs), we were able to validate the NART. This important validation will allow researchers and practitioners to estimate premorbid IQ and thereby estimate lifetime cognitive change. In this chapter, we discuss how the NART was validated for older people both without and with dementia. We then discuss the use of the NART to estimate lifetime cognitive change in people without premorbid intelligence test scores. (PsycInfo Database Record (c) 2024 APA, all rights reserved)

Published: Oct 12, 2009

Keywords: National Adult Reading Test; Scottish Mental Surveys; retrospective validity; premorbid IQ; dementia; test validation; lifetime cognitive change; test correlation

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