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Direct linkWithagen, Ans; Vervloed, Mathijs P. J.; Janssen, Neeltje M.; Knoors, Harry; Verhoeven, Ludo – British Journal of Visual Impairment, 2009
The Tactual Profile assesses tactual functioning of children with severe visual impairments between 0 and 16 years of age. The Tactual Profile consists of 430 items, measuring tactile skills required for performing everyday tasks at home and in school. Items are graded according to age level and divided into three domains: tactual sensory, tactual…
Descriptors: Intelligence, Visual Impairments, Verbal Tests, Construct Validity
Peer reviewedVan der Ven, Ad H. G. S. – Educational and Psychological Measurement, 1992
The dichotomous Rasch model was applied to verbal subtest scores on the Intelligence Structure Test Battery for 905 12- to 15-year-old secondary school students in the Netherlands. Results suggest that, if any factor is used to increase difficulty of items, that factor should be used on all items. (SLD)
Descriptors: Difficulty Level, Foreign Countries, Intelligence Tests, Secondary Education
