Intervention approaches for speech sound disorders have historically involved treating individual speech sound errors from a motor skills perspective. Treatment involved focus on the motor movements and placement of the articulators to achieve correct sound production. Over the last 40 years, emphasis has included consideration of a linguistic or phonological base for speech sound disorders. Phonological or linguistic approaches focus on the function of sounds to differentiate meanings, error patterns, and phonological rules that may be underlying the errors. Among the phonological or linguistic intervention approaches are a group referred to as contrast approaches. The contrast approaches emphasize contrasting word pairs to highlight the role of the sound system in differentiating meaning. The goal is to emphasize and establish contrasts that are not present in a child's phonological system. The approaches target a child's speech sound system rather than individual sounds. The contrast approaches include minimal oppositions, maximal oppositions, and multiple oppositions. Each approach utilizes different criteria for target selection to establish the contrast word pairs or sets of contrasting words.
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