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Direct linkBatterham, Philip J.; Christensen, Helen; Mackinnon, Andrew J. – Intelligence, 2009
The long-term relationship between lower intelligence and mortality risk in later life is well established, even when controlling for a range of health and sociodemographic measures. However, there is some evidence for differential effects in various domains of cognitive performance. Specifically, tests of fluid intelligence may have a stronger…
Descriptors: Intelligence, Reading Tests, Health Conditions, Mortality Rate
Mackinnon, Andrew; Christensen, Helen – Psychological Assessment, 2007
Intellectual ability is assessed with the Spot-the-Word (STW) test (A. Baddeley, H. Emslie, & I. Nimmo Smith, 1993) by asking respondents to identify a word in a word-nonword item pair. Results in moderate-sized samples suggest this ability is resistant to decline due to dementia. The authors used a 3-parameter item response theory model to…
Descriptors: Guessing (Tests), Dementia, Health Conditions, Visual Acuity
Jorm, Anthony F.; Anstey, Kaarin J.; Christensen, Helen; Rodgers, Bryan – Intelligence, 2004
Gender differences were examined in performance on the California Verbal Learning Test (immediate and delayed recall), Digit Span Backwards, Symbol-Digit Modalities Test, Spot-the-Word, and simple and choice reaction time. The data came from a community survey involving 2404 people aged 20-24 years, 2530 aged 40-44 years, and 2551 aged 60-64…
Descriptors: Verbal Learning, Cognitive Ability, Reaction Time, Individual Characteristics
