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Inferring and Hypothesizing in a Biological Context

 

 

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Inferring and Hypothesizing in a Biological Context

Risa L. Reyes
National Institute for Science and Mathematics Education Development
University of the Philippines, Diliman, Quezon City 1101 Philippines
risreyes@ismed.upd.edu.ph  

 

IntroductionMethodologyResults and FindingsConclusions
RecommendationsReferences

  Abstract

This study determined the different ways 20 third-year high school students performed the thinking skill of inferring within a biological context. Their written answers to a standardized, open-ended questionnaire and audiotaped self-reports on how they went about answering the thinking skills constituted the raw data. The researcher’s observation and the subjects’ verbal answer to clarificatory questions in the course of one-on-one interviews complemented such data and became the bases for analysis and conclusions drawn in this study.

Four different ways of answering the question on inferring emerged from the data, one of them actually classifiable as an exercise in generating and testing alternative hypotheses. In answering the question on generating and testing alternative hypotheses, the subjects exhibited five different ways depending on their analysis (of plant parts) and proposed tests for each hypothesis. These different patterns are described, characterized and analyzed in terms of their constituent skills, accompanying behaviors, possible relationships to ability groupings, and interaction with content. Recommendations include specific suggestions for the deliberate teaching of thinking skills in the classroom.

 

IntroductionMethodologyResults and FindingsConclusions
RecommendationsReferences