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Acquisition of #sC clusters in English speaking children

This paper examines the developmental patterns of #sC clusters in 40 English speaking children, ages 2;5 to 4;2, (mean age 3;1). The central focus is the production of different groups of #sC clusters and how these productions relate to sonority sequencing of sounds. We evaluated the patterns found in correct realizations of target clusters, as well as the ones in cluster reductions. Despite considerable individual variations in subjects' productions, a few general trends were identifiable. Results lend limited support to sonority sequencing but only for /s/ + approximant clusters. This pair of clusters, /sl-, sw-/, also reveal some implicational relationships. Continuancy of C2 in the cluster was significant only between /sn-/ and /sw-/. Homorganicity of the cluster members was not influential in the production patterns.