AZEVEDO, Manuela    GARCIA-MARQUES, Teresa. Que confiança podemos ter nas conclusões estatísticas que apresentamos ?. []. , 11, 1, pp.151-168. ISSN 0874-2049.  https://doi.org/10.17575/rpsicol.v11i1.599.

Statistical analysis in research allow us to decide about the presence or absence of an effect in our data. How confident are we about this decision? The power of the statistical tests, the relation between Type I and Type II errors with the acceptance of Ho, statistical significance, pragmatic significance and representativity are covered in this article.

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