Following Dr. Strand's course, it will be DTTC. Hierarchy includes: non-speech awareness (if needed), simultaneous production, direct model, delayed model, spontaneous word/phrase in response to a question. All of this will be used given clinical judgment of when to whisper, mime and provide tactile cuing-all as needed. Practice conditions will also be considered as child gains vocabulary. Practice schedule: block vs. random, practice variability: constant vs. variable and practice distribution: massed vs. distributed.