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Direct linkErdem, Emrullah – International Journal of Science and Mathematics Education, 2017
The current study examines the mental computation performance owned by students at fifth grade. This study was carried out with 118 fifth graders (11-12-year-olds) studying at 3 randomly selected primary schools that served low and middle socio-economic areas in a city of Turkey. "Mental Computation Test (MCT)" has been used to reach how…
Descriptors: Mental Computation, Grade 5, Elementary School Students, Foreign Countries
Peer reviewedFrauenheim, John G.; Heckerl, John R. – Journal of Learning Disabilities, 1983
Eleven adults who had been diagnosed as dyslexic in childhood were evaluated via psychological and educational testing and interviews. Reading and spelling deficits were marked, and patterns of skill weaknesses and cognitive abilities were found to have remained remarkably consistent over the approximately 17-year period. (CL)
Descriptors: Academic Achievement, Adults, Arithmetic, Dyslexia
Northrop, Lois C. – 1977
The factor-analytic history of the isolation and identification of the cognitive ability construct known as Number or Numerical Facility is described. Empirical documentation from the psychometric literature is discussed, and examples of items from a variety of tests which have defined and been associated with the Number factor are included to…
Descriptors: Arithmetic, Cognitive Ability, Cognitive Measurement, Factor Analysis
Download full textJarvis, Oscar T. – 1962
Designated time allotments for the various course offerings of the elementary schools have evolved with little research showing that present time allotments are the best possible. The problem of this study was to determine the relationship between varying lengths of class periods and pupil achievement in reading, arithmetic, and language. Mental…
Descriptors: Academic Achievement, Arithmetic, Intermediate Grades, Language Ability
Moore, William E. – 1970
The previous theoretical development of the Poisson process as a strong model for the true-score theory of mental tests is discussed, and additional theoretical properties of the model from the standpoint of individual examinees are developed. The paper introduces the Erlang process as a family of test theory models and shows in the context of…
Descriptors: Arithmetic, Goodness of Fit, Grade 10, Mathematical Models
Stafford, Richard E. – 1963
This study on psychological traits examines three hypotheses: (1) there is a similarity between parents and their children unexplained by a similarity between the parents, (2) this similarity may be explained by hereditary components, and (3) these hereditary components are of the discrete or segregated type of inheritance. There were 104 families…
Descriptors: Adolescents, Arithmetic, Association (Psychology), Auditory Discrimination
