Open-access Design and validation of an observational instrument for the pre-professional practices of the future mathematics teacher

Abstract

This study presents the design and validation of an instrument for observation during the pre- professional practicum of future mathematics teachers, through a process that involved five stag- es: (1) a literature review focused on two areas: the regulations that guide initial teacher education in Chile and theoretical frameworks that have been used in the field of mathematics education to analyze the work of teachers or future mathematics teachers; (2) preliminary design of the instrument, based on the categories of the conceptual framework, which included three dimensions, ten subdimensions, and twenty-six descriptors; (3) content validation by expert judgment, with internal consistency analyzed using Aiken’s V coefficient; (4) adjustments to the preliminary design; and (5) final version of the instrument. For content validation, the instrument was evaluated by a panel of eight experts. Aiken’s V coefficient was used for statistical analysis, showing acceptable levels (≥ 0.7) for most items. It is concluded that the use of this instrument will contribute to observing and providing feedback on the practices of future mathematics teachers and improving their initial training.

Keywords:
professional development; instrument; pre-service practice; mathematics; teacher training

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Pontificia Universidad Católica Madre y Maestra Autopista Duarte Km 1 1/2, Santiago de los Caballeros 51000 - E-mail: lguzman@pucmm.edu.do, cuaderno@pucmm.edu.do
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