Analysis of the argumentative strategies used by secondary school students in solving linear pattern generalization tasks
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The objective of the work is to compare the justifications generated by secondary school students aged 14 and 15 in tasks of generalization of linear patterns, relating them to the way of formulating the statements. The study analyzes the argumentative strategies used by students when the structure of the statement varies. The written justifications for the tasks of both questionnaires are analyzed and problem-solving profiles of all the students are identified for each task based on the argumentative strategies used. Next, these solver profiles are compared for each student in the two proposed questionnaires. The results show that a part of the students present significant differences in their argumentative strategies that they use to solve the two questionnaires.
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