Autori: Pastore, Massimiliano , Galfano, Giovanni , Nucci, Massimo
Titolo: False discovery rate : applicazione di un metodo alternativo per i confronti multipli con misure ripetute
Periodico: Giornale italiano di psicologia
Anno: 2005 - Volume: 32 - Fascicolo: 3 - Pagina iniziale: 639

The present paper is aimed at presenting an application to reaction times of an alternative data analysis method for treating unplanned comparisons in a repeated measures series. We compared such method with two different procedures. The first procedure consisted of a series of single pairwise comparisons, without controlling for type I error. The second procedure was the standard version of the Bonferroni method. It is worth noting that, as the number of comparisons gets larger, with the first method a substantial increase of the probability to make a Type I error is observed. Conversely, with the application of the method developed by Bonferroni, the increase in the number of comparisons results in a higher probability of making a Type II error. The empirical comparison, supported by a "Bootstrap" analysis, allowed to show that the alternative method, known as "False Discovery Rate" (FDR) possesses many advantages and is particularly easy to implement.


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SICI: 0390-5349(2005)32:3<639:FDR:AD>2.0.ZU;2-B
Testo completo: http://www.mulino.it/ws/rwDirectDownload.php?doi=10.1421/20642
Testo completo alternativo: http://www.mulino.it/rivisteweb/scheda_articolo.php?id_articolo=20642

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