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Direct linkSwanson, H. Lee – Developmental Psychology, 2017
This study investigates whether age-related changes in the structure of 5 complex working memory (WM) tasks (a) reflect a general or domain specific system, (b) follows a similar trajectory across different age spans, and (c) contribute domain general or domain specific resources to achievement measures. The study parsed the sample (N = 2,471)…
Descriptors: Visual Perception, Spatial Ability, Verbal Ability, Short Term Memory
Shiu, William – ProQuest LLC, 2012
This study examined the Flynn Effect (FE; i.e., the rise in IQ scores over time) in Estonia from Scale B of the National Intelligence Test using both classical test theory (CTT) and item response theory (IRT) methods. Secondary data from two cohorts (1934, n = 890 and 2006, n = 913) of students were analyzed, using both classical test theory (CTT)…
Descriptors: Foreign Countries, Intelligence Tests, Intelligence Quotient, Change
