Final answer:
The claim about the Alvin Model being developed recently for Ontario music therapists is false. It is a mid-20th century method and not created in response to current regulatory bodies.
Step-by-step explanation:
The statement about the Alvin Model (Free Improvisation) being recently developed in response to the College of Registered Psychotherapists of Ontario to further develop music therapists' skills in the use of psychotherapy is false. The Alvin Model actually refers to a method developed by Juliette Alvin in the mid-20th century, emphasizing free improvisation within music therapy, but it is not a recent development nor directly created in response to modern regulatory bodies. The current practice and professional development of music therapists are informed by a variety of models and approaches, which may include contemporary considerations of licensure and certification requirements, but the Alvin Model itself is not a new concept.