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Download full textSella, Francesco; Berteletti, Ilaria; Martina, Brazzolotto; Lucangeli, Daniela; Zorzi, Marco – Learning Disabilities: A Contemporary Journal, 2013
In the number to position task, several studies have shown that typically developing children shift from a biased (logarithmic) to an accurate (linear) mapping of symbolic digits onto a spatial position on a line. The initial pattern of overestimation of small numbers and the underestimation of larger numbers is compensated by means of age and…
Descriptors: Mathematics, Learning Disabilities, Foreign Countries, Accuracy
Thurman, Richard L.; And Others – 1976
Described are the rationale, development and utility with mentally retarded children of the Peabody Mathematics Readiness Test (PMRT), an instrument designed to assess mathematical readiness of normal first graders and identify children who would experience difficulty with first grade mathematics. It is explained that the PMRT was intended to…
Descriptors: Exceptional Child Research, General Education, Group Testing, Identification
