after about 6 months, desiree begins to use the prompt approach with jada. in this approach, the clinician, manipulates the articulators by touching the child's face and providing both visual and tactile feedback to produce speech sounds. jada doesn't enjoy this approach as much, but desiree is eager to try a new approach because she thinks the prompt approach to intervention will help jada produce more phonemes, and eventually more words. the purpose of intervention in this scenario is .