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Kop, Peter M. G. M.; Janssen, Fred J. J. M.; Drijvers, Paul H. M.; van Driel, Jan H. – Mathematical Thinking and Learning: An International Journal, 2021
Student insight into algebraic formulas, including the ability to identify the structure of a formula and its components and to reason with and about formulas, is an issue in mathematics education. In this study, we investigated how 16- and 17-year-old pre-university students' insight into algebraic formulas can be promoted through graphing…
Descriptors: Algebra, Mathematics Instruction, Teaching Methods, Secondary School Students
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Bosma, Tirza; Stevenson, Claire E.; Resing, Wilma C. M. – Journal of Education and Training Studies, 2017
In this paper we investigated the contribution of a dynamic testing procedure, including multiple graduated prompts protocols, in identifying differences in need for instruction of second grade children (N = 120) with arithmetic difficulties. The training was adaptive and prompts were provided according to one of six protocols, each focusing on a…
Descriptors: Prompting, Grade 2, Arithmetic, Problem Solving
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Janssen, Marleen J.; Riksen-Walraven, J. Marianne; van Dijk, Jan P. M.; Ruijssenaars, Wied A. J. J. M. – Journal of Visual Impairment & Blindness, 2010
This article describes the application of the Diagnostic Intervention Model and its effects in two case studies of 3-year-old boys, Rolf and Ruud, using individual interaction coaching with their mothers. Positive effects were found for all the target categories in both cases, although an interaction that used materials appeared to be more…
Descriptors: Intervention, Mothers, Diagnostic Teaching, Case Studies