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An APOS Analysis of University Students' Understanding of Derivatives: A Lesotho Case Study
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Moru, Eunice Kolitsoe – African Journal of Research in Mathematics, Science and Technology Education, 2020
The derivative is a central concept in calculus and has applications in many disciplines. This study explored students' understanding of derivatives with a particular focus on the graphical (geometric) representation. The participants were four Mathematics Honours students from a university in Lesotho. Data were generated from the written…
Descriptors: Foreign Countries, Mathematics Instruction, Calculus, Mathematical Concepts
University Undergraduate Science Students' Validation and Comprehension of Written Proof in the Context of Infinite Series
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Moru, Eunice Kolitsoe; Nchejane, John; Ramollo, Motlatsi; Rammea, Lisema – African Journal of Research in Mathematics, Science and Technology Education, 2017
The reported study explored undergraduate science students' validation and comprehension of written proofs, reasons given either to accept or reject mathematical procedures employed in the proofs, and the difficulties students encountered in reading the proofs. The proofs were constructed using both the Comparison and the Integral tests in the…
Descriptors: Undergraduate Students, College Students, Mathematical Logic, Validity