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Skagerlund, Kenny; Träff, Ulf – Journal of Learning Disabilities, 2016
This study investigated if developmental dyscalculia (DD) in children with different profiles of mathematical deficits has the same or different cognitive origins. The defective approximate number system hypothesis and the access deficit hypothesis were tested using two different groups of children with DD (11-13 years old): a group with…
Descriptors: Learning Disabilities, Cognitive Ability, Number Concepts, Mathematics Skills
Helles, Adam; Gillberg, I. Carina; Gillberg, Christopher; Billstedt, Eva – Autism: The International Journal of Research and Practice, 2017
This study examined objective quality of life (work, academic success, living situation, relationships, support system) and subjective quality of life (Sense of Coherence and Short-Form Health Survey-36) in an adult sample of males (n = 50, mean age: 30 years) with Asperger syndrome diagnosed in childhood and followed prospectively over two…
Descriptors: Asperger Syndrome, Males, Quality of Life, Clinical Diagnosis
Ronnlund, Michael; Carlstedt, Berit; Blomstedt, Yulia; Nilsson, Lars-Goran; Weinehall, Lars – Intelligence, 2013
We investigated time-related patterns in levels of cognitive performance during the period from 1970 to 1993 based on data from Swedish draft boards. The conscripts, including more than a million 18-19-year old men, had taken one of two versions of the Swedish enlistment battery (SEB67; 1970-1979 or SEB80; 1980-1993), each composed of four…
Descriptors: Cognitive Development, Test Items, Foreign Countries, Intelligence Tests
Thorsen, Cecilia – Scandinavian Journal of Educational Research, 2014
Irrespective of the grading system, grades are the most valid instrument for predicting educational success. Previous studies have shown that criterion-referenced compulsory school grades are multidimensional, reflecting subject-specific dimensions and a common grade dimension, both of which contribute to the predictive validity of grades. This…
Descriptors: Compulsory Education, Secondary School Students, Grades (Scholastic), Structural Equation Models
Rosander, Pia; Backstrom, Martin – Learning and Individual Differences, 2012
The present study investigated the unique contribution of learning approaches to academic performance, also taking gender differences into account. The participant sample consisted of 476 school pupils (53% girls and 47% boys) from two upper secondary schools in Sweden who completed two self-reported measures related to personality and learning…
Descriptors: Academic Achievement, Females, Cognitive Ability, High School Students
Rosander, Pia; Backstrom, Martin; Stenberg, Georg – Learning and Individual Differences, 2011
The aim of the present study was to investigate the extent to which personality traits, after controlling for general intelligence, predict academic performance in different school subjects. Upper secondary school students in Sweden (N=315) completed the Wonderlic IQ test (Wonderlic, 1992) and the IPIP-NEO-PI test (Goldberg, 1999). A series of…
Descriptors: Personality Traits, Intelligence, Structural Equation Models, Academic Achievement
Åsberg Johnels, Jakob; Kopp, Svenny; Gillberg, Christopher – Journal of Learning Disabilities, 2014
Writing difficulties are common among children with attention-deficit/hyperactivity disorder (ADHD), but the nature of these difficulties has not been well studied. Here we relate behavioral, psycholinguistic, cognitive (memory/executive), and graphomotor measures to spelling skills in school-age girls with ADHD (n = 30) and an age-matched group…
Descriptors: Spelling, Spelling Instruction, Reading Difficulties, Attention Deficit Hyperactivity Disorder
Jonsson, Anna-Carin; Beach, Dennis – Journal for Critical Education Policy Studies, 2010
The aim of this article was to investigate the influence of a hegemonic class concept in teacher education, more specifically, the changes in the construction of implicit theories of intelligence within future teachers when they were exposed to the scientific g-factor theory of intelligence. A 2 x 2 ANOVA (first versus last semester at the teacher…
Descriptors: Teacher Education, Student Teachers, Intelligence, Social Class
Dahlin, Karin I. E. – Journal of Education and Learning, 2013
Working Memory (WM) has a central role in learning. It is suggested to be malleable and is considered necessary for several aspects of mathematical functioning. This study investigated whether work with an interactive computerised working memory training programme at school could affect the mathematical performance of young children. Fifty-seven…
Descriptors: Short Term Memory, Mathematics Achievement, Attention Deficit Hyperactivity Disorder, Computer Assisted Instruction
Kaufman, James C., Ed. – Cambridge University Press, 2009
The field of intelligence testing has been revolutionized by Alan S. Kaufman. He developed the Wechsler Intelligence Scale for Children-Revised (WISC-R) with David Wechsler, and his best-selling book, Intelligent Testing with the WISC-R, introduced the phrase "intelligent testing." Kaufman, with his wife, Nadeen, then created his own…
Descriptors: Foreign Countries, Intelligence, Learning Disabilities, Testing
Ronnlund, Michael; Nilsson, Lars-Goran – Intelligence, 2008
To estimate Flynn effects (FEs) on forms of declarative memory (episodic, semantic) and visuospatial ability (Block Design) time-sequential analyses of data for Swedish adult samples (35-80 years) assessed on either of four occasions (1989, 1994, 1999, 2004; n = 2995) were conducted. The results demonstrated cognitive gains across occasions,…
Descriptors: Intelligence Tests, Semantics, Memory, Spatial Ability

Rigas, Georgios; Carling, Eva; Brehmer, Berndt – Intelligence, 2002
Studied the relationships between two real time dynamic decision making tasks (microworlds) and one intelligence test with 100 Swedish adults. Raven's Progressive Matrices scores were a predictor of success in the two microworlds. Discusses methodological problems with microworlds. (SLD)
Descriptors: Adults, Computer Simulation, Correlation, Decision Making
Ingesson, S. Gunnel – Dyslexia, 2006
A follow-up study was performed to investigate the stability of IQ measures in a group of dyslexic teenagers and young adults. Earlier research had shown contradictory results. The 65 subjects, 12 years old on the average at first test, were retested after a mean interval of six and a half years. There was a significant relative decrease in…
Descriptors: Learning Disabilities, Dyslexia, Intelligence Tests, Intelligence Quotient

Peterson, Leif; And Others – Computers in Human Behavior, 1996
This Swedish study sought to evaluate a touch-screen computer-based (CB) test administration system in a hospital setting in comparison with paper-and-pencil administrative routine. Patients were given psychometric tests (involving depression, mood, and intelligence measurement) in both formats. Patient pleasantness, activation, and calmness were…
Descriptors: Comparative Analysis, Computer Assisted Testing, Depression (Psychology), Foreign Countries

Magnusson, D.; Backteman, G. – Applied Psychological Measurement, 1979
A longitudinal study of approximately 1,000 students aged 10-16 showed high stability of intelligence and creativity. Stability coefficients for intelligence were higher than those for creativity. Results supported the construct validity of creativity. (MH)
Descriptors: Creativity, Creativity Tests, Elementary Secondary Education, Foreign Countries