(20-01-2022, 09:59 AM)TygerTung Wrote: If one has a PhD, one is only supposed to use the title if speaking on the area of their degree. For example if one has a PhD in entomology, one would use it when speaking with regard to insects.There are a few politicians that refer to themselves as 'doctor' due to their PhDs. Don't think their political efforts are always related to the area of their degrees. More used as a status seeking title in many cases.
But in regard to John Campbell his nurse trainer doctrate, expertise in preparing course material for same and his professional life experience would make him well placed to be evaluating research pertaining to public health issues.