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Kyttala, Minna; Lehto, Juhani E. – European Journal of Psychology of Education, 2008
Passive and active visuospatial working memory (VSWM) were investigated in relation to maths performance. The mental rotation task was employed as a measure of active VSWM whereas passive VSWM was investigated using a modified Corsi Blocks task and a matrix pattern task. The Raven Progressive Matrices Test measured fluid intelligence. A total of…
Descriptors: Intelligence, Mental Computation, Memory, Word Problems (Mathematics)
Keranto, Tapio – 1983
Three factors associated with arithmetical processes (sequence skills, arithmetical strategies, and information processing capacity) were measured in individual interviews with 35 first-grade pupils, aged 7.6 to 8.6, in one Finnish school. Mathematics achievement was determined from information supplied by teachers. Attitudes were assessed twice,…
Descriptors: Addition, Arithmetic, Cognitive Processes, Computation
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Westerinen, Hannu; Kaski, M.; Virta, L.; Almqvist, F.; Iivanainen, M. – Journal of Intellectual Disability Research, 2007
Background: Based on standard social benefit registers, the prevalence of intellectual disability (ID) in Finland is estimated to be 0.6%, while epidemiological surveys yield 1.1%. Combining several registers, our aim was to find a more reliable estimate of the prevalence of ID, especially among children and adolescents. This is important when…
Descriptors: Foreign Countries, Age, Incidence, Mental Retardation