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Direct linkSun, Sumin; Schweizer, Karl; Ren, Xuezhu – Journal of Cognition and Development, 2019
This study examined whether there is a developmental difference in the emergence of an item-position effect in intelligence testing. The item-position effect describes the dependency of the item's characteristics on the positions of the items and is explained by learning. Data on fluid intelligence measured by Raven's Standard Progressive Matrices…
Descriptors: Intelligence Tests, Test Items, Difficulty Level, Short Term Memory
Ivison, David – Psychological Test Bulletin, 1990
Raven's Progressive Matrices and the Simpson Adult Vocabulary Scale were administered to 400 Australian hospitalized adults without psychiatric or neurological impairment in 4 age groups from 30 to 69 years. Compared to pre-1964 data, the subjects did not show gains in intelligence quotient as did younger age groups. (SLD)
Descriptors: Adults (30 to 45), Age Groups, Comparative Testing, Foreign Countries
