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Les normes et les groupes de référence (ou échantillon représentatif) - Considérations supplémentairesLe nombre de personnes ayant permis l'établissement des normesPlus ce nombre est ____, meilleure est la probabilité de la r__________.Mais ce nombre est r_____ dès que les normes sont fractionnées en s______g______.De plus, peu de sujets reçoivent des scores e_______. Ces scores sont moins stables que les scores m____Il faut être très prudents lors de l'utilisation des normes locales. Elles peuvent être b________, par ex. le manque de participation des sujets r________

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