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Purpura, David J.; Baroody, Arthur J.; Lonigan, Christopher J. – Journal of Educational Psychology, 2013
The purpose of the present study was to determine if numeral knowledge--the ability to identify Arabic numerals and connect Arabic numerals to their respective quantities--mediates the relation between informal and formal mathematical knowledge. A total of 206 3- to 5-year-old preschool children were assessed on 6 informal mathematics tasks and 2…
Descriptors: Preschool Children, Mathematics Education, Numeracy, Basic Skills
Baroody, Arthur J. – Education and Training of the Mentally Retarded, 1986
The study examined basic counting competencies, difficulties, skill progressions, and variation among 36 moderately retarded and 64 mildly retarded students (ages 5-14). Quantitative and qualitative analyses indicated deficiencies in basic counting competencies and systematic oral- and object-counting errors. Striking individual differences in…
Descriptors: Achievement Rating, Arithmetic, Comparative Testing, Computation