COLLANTES DE LAVERDE, Beatriz Isabel    ESCOBAR MELO, Hugo Alberto. Development of the hypothesis as a tool of the scientific thinking in a learningcontext of boys and girls between four and eight years old. []. , 19, 35, pp.77-97. ISSN 0124-0137.  https://doi.org/10.17081/psico.19.35.1210.

The purpose of this research was to analyze the development of the hypothesis as a tool of scientific thinking, in learning contexts, among children between the ages of 4 and 8, from the educational levels of pre-kindergarten, kindergarten, transition, first and second grade. The sample was 44 children. A quasi-experimental design was used: pre-test, post-test with control group. During the pre-test, the initial state of the subjects was established regarding the level of development of their hypothesis. A qualitative analysis was performed on the production, formulation, reasoning, performances and arguments that make children when developing their hypothesis. The Wilcoxon ranges test was used to compare changes in the development of the hypothesis between the pre-test and post-test, obtaining a statistical significance of p<0.001 regarding the objective and the research hypothesis. It can be stated that the educational experiences in terms of problem solving, favor the development of the hypothesis as a tool of scientific thinking

: Hypothesis; Scientific Thinking; Learning Context; Cognitive Development; Problem Solving.

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