¿Es bueno beber agua durante un examen?

Beber agua durante un examen puede mejorar notablemente los resultados obtenidos.

Beber agua durante un examen puede mejorar notablemente los resultados obtenidos, según se desprende de un estudio de las universidades de East London y Westminster, en Reino Unido. Sus autores comprobaron que los estudiantes universitarios que alcanzaban cursos superiores eran mucho más propensos a llevar una botella de agua a un examen que los estudiantes de primer año, o que aquellos que no superaban los primeros cursos. Después demostraron, a través de una serie de experimentos, que la relación no era casual: los alumnos que bebían y se hidrataban durante la prueba eran también los que obtenían mejores notas. Los investigadores atribuyenesta relación a que, por un lado, el agua tiene un efecto fisiológico sobre el cerebro que mejora la capacidad de razonamiento. Pero, además, beber durante una prueba de conocimiento alivia la ansiedad, que tiene un efecto negativo sobre la nota final. “En cualquier caso, los estudiantes deberían permanecer hidratados con agua en los exámenes”, concluyen Chris Pawson y sus colegas, que animan a los profesores a transmitirlo a sus alumnos.
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