Ser subestimats o sobreestimats per la nostra autopercepció: l'efecte Dunning-Kruger

Ize Ortega, Martina
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The Dunning-Kruger effect is a cognitive bias that causes people to have a wrong vision about their own abilities, that is why they may underestimate or overestimate themselves. Therefore, this bias can create an illusory effect of one’s own superiority or inferiority, usually the first one mentioned, in a certain area of knowledge or competence. This project has been developed with the purpose of investigating, by means of an experiment, the presence of this effect on the students currently in fourth grade of ESO from INS Sant Feliu de Guíxols. Fifty students participated in the experiment, with the data collection method being a reading comprehension test in Catalan. The results have proven really significant, showing that students with worse marks overestimate themselves regarding their real mark, while those students with better marks underestimate themselves in relation to the real mark. Further research has also shown this effect manifests differently in masculine and femenine genders, proving that the women tend to underestimate their abilities more than the men ​
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