Markedness and Context Effects in the Acquisition of Place Features

<p>Empirical and theoretical claims about the markedness of place features and associated context effects are evaluated against the facts of acquisition. The primary focus is on the segmental inventories and substitution patterns of young children with phonological delays (ages 3;0–8;6). Results are reported from a large scale cross-sectional archival study of 211 children. Additionally, two especially challenging case studies are singled out for consideration. A typological account of the cross-sectional variation is formulated in optimality theoretic terms and requires permutable rankings of place-referring constraints. Consideration is also given to the different statistical trends along with a comparison of developing and fully developed languages.</p> <p> Des affirmations empiriques et théoriques sur la marque des traits de lieu d'articulation et sur les effets de contexte qui leur sont attribués sont confrontées à des données d'acquisition. L'étude focalise principalement sur les inventaires segmentaux et les patrons de substitution d'enfants (3;0 à 8;6) présentant des délais phonologiques. Les résultats sont tirés d'échantillons recueillis lors d'une étude antérieure effectuée à large échelle, sur 211 enfants. En outre, deux cas particulièrement intéressants et surprenants ont été considérés spécifiquement. Une explication typologique de la variation observée dans l'échantillon est formul ée dans le cadre de la théorie de l'optimalité et requiert un ordonnancement permutable des contraintes qui réfèrent au lieu d'articulation. L'étude s'attarde également aux diverses tendances statistiques de même qu'à une comparaison des données d'acquisition et des langues adultes. </p>

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