Representations of a pie chart for blind students in teaching statistics
DOI:
https://doi.org/10.23925/1983-3156.2023v25i4p092-110Keywords:
Visual Impairment, Pie Charts, Accessible Representations, Statistics TeachingAbstract
This article aims to present how a congenitally blind student performed the tactile reading of some representations of a pie chart accessible. The graph presented in this work was taken from a mathematics textbook in ink and represented by means of tactile graphs produced by the Braille Fácil program, by the MONET software and handcrafted using different material artifacts, such as EVA, cubes of golden material and different types of textures. Our study was based on work and research related to statistical graphical representations and the making of accessible materials for blind and low vision students, in particular, grapho-tactile. The methodology used in this article is qualitative and we used task-based interview techniques. Through this methodological instrument, we describe the interviewee's profile and the way he performed the tactile reading of the graphic representations presented. In the results obtained, we noticed that the interpretation of a graph is not learned spontaneously; proceeds in stages so that the student can process the information to connect them and acquire knowledge that is meaningful to him.
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