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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
Ek, Ulla; Fellenius, Kerstin; Jacobson, Lena – Journal of Visual Impairment & Blindness, 2003
During a longitudinal in-depth study of the reading acquisition and cognitive and visual development of four children with cerebral visual impairment, the children's visual acuity improved, but their full-scale IQs declined, mostly because of difficulties in abstract thinking, visual cognitive organization, and extremely low processing speed. The…
Descriptors: Visual Impairments, Visual Acuity, Writing Ability, Brain

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