Answer:
This illustrates: Overreliance on anecdotes.
Explanation:
What Dr McDonald is using to validate and support his treatment for ADHD are mearly anecdotes, which are not sufficient enough in the scientific field. To justufy a practice or a treatment a professional should consider a theory that has been accurate and has prove of its results.
Overreliance on anecdotes means putting all the justification of the validity of a treatment, only over people´s testimony.
