The parameter which make the appeal as described in the task content convincing is; The credibility of the author.
What makes the appeal Convincing?
It follows from the task content that;
- "i have been a doctor for nearly ten years.", the worst case was a patient who died as a direct result of a toothache."
According to the appeal above, the parameters which makes the appeal convincing is the credibility of the author (ethos) as denoted by his ten years work experience as a doctor.
Read more on convincing appeals;
https://brainly.com/question/9972261
