Speech Language Clinician I see students with special needs in terms of their articulation, oral language, speech fluency, or voice quality.  ARTICULATION My articulation students have a delay in the acquisition of speech sounds, or a speech impairment such as a frontal lisp, which causes their speech to be very difficult to understand in the classroom.   For students with several articulation errors, I take a phonological approach.  Look for  For students who are trying to master one or two sounds, I take a more traditional approach.