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The Woodcock–Johnson Tests of Cognitive Abilities is a set of intelligence tests first developed in 1977 by Richard Woodcock and Mary E. Bonner Johnson (although Johnson's contribution is disputed). [1] It was revised in 1989, again in 2001, and most recently in 2014; this last version is commonly referred to as the WJ IV. [2]
The concepts of fluid intelligence ( gf) and crystallized intelligence ( gc) were introduced in 1963 by the psychologist Raymond Cattell. [1] [2] According to Cattell's psychometrically -based theory, general intelligence ( g) is subdivided into gf and gc. Fluid intelligence is the ability to solve novel reasoning problems and is correlated ...
The Wechsler Individual Achievement Test Second Edition (WIAT-II; Wechsler, 2005) assesses the academic achievement of children, adolescents, college students and adults, aged 4 through 85. The test enables the assessment of a broad range of academics skills or only a particular area of need. The WIAT-II is a revision of the original WIAT ( The ...
Woodcock-Johnson Tests of Achievement; ... When a learning disability seems related to math calculations, it may be dyscalculia, a deficit in the ability to quantify and process numerical operations.
Dyscalculia is a math learning disability or mathematics learning disorder. It's not unusual for a child to have a tough time with math homework now and then. But if they have problems with ...
The Dean–Woodcock Neuropsychological Assessment System (DWNAS) provides a standardized procedure for assessing an individual's sensory, motor, emotional, cognitive, and academic functioning for both English and Spanish speakers, based on the Cattell–Horn–Carroll Model (CHC). The instrument may be administered by psychologists, that need ...
The Cattell–Horn–Carroll theory (commonly abbreviated to CHC ), is a psychological theory on the structure of human cognitive abilities. Based on the work of three psychologists, Raymond B. Cattell, John L. Horn and John B. Carroll, the Cattell–Horn–Carroll theory is regarded as an important theory in the study of human intelligence.
Woodcock–Johnson Test of Cognitive Abilities Main article: Woodcock–Johnson Tests of Cognitive Abilities The Woodcock–Johnson a III NU Tests of Cognitive Abilities (WJ III NU) was developed by Richard W. Woodcock , Kevin S. McGrew and Nancy Mather and published in 2007 by Riverside. [35]