Those students who think aloud while solving a mathematical problem can solve it faster and have more possibilities of finding the right solution that those who do not do it. Likewise, drawing or making a pictorial representation relating to the also contributed to its solution. Those are the conclusions of a study carried out at the University of Granada (Spain), which has been recently published in the journal Revista de investigación psicoeductiva and the Electronic Journal of Research in Educational Psychology... 
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