Concept maps as evaluation tools of the integrative construction level of meanings in the biochemistry laboratory under a constructivist approach
Keywords:
Concept maps, Lab work, Constructivist teaching approach, Meaning construction.Abstract
This descriptive-comparative work was carried out with 13 students in the areas of Biology and Chemistry of the Pedagogical Institute of Caracas in a course of Biochemistry, who formed two lab groups. Its purpose was to compare the level of integrative construction of scientific meanings achieved in the concept maps developed in an integrated manner to the V diagram around a problem situation raised on enzymes, considering previous knowledge about this disciplinary content. Two statistics were used to compare the groups: student's t test for the pre-existing knowledge and Mann-Whitney U for concept maps. A General Index of Integrative Construction of meanings (IGCIS) proposed by the authors, was incorporated in a novel way to assess concept maps. The results revealed the discriminatory power of IGCIS, being able to differentiate the groups in a more consistent way and in accordance with their levels of prior knowledge.Downloads
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