This book confirms our attitudes towards the usability of some strategies and methods in the field of language rehabilitation. It accounts for the validity and reliability of some of the most common techniques used in speech language pathology/ therapy. These are: MossTalk Words Technique, Delayed Auditory Feedback (DAF), and Auditory Brainstem Response (ABR). The three techniques are used for both children and adult. They share an important function, that is speech amelioration.