Just apply a simple rule of thumb to this situation - if someone has a doctorate and insists in being referred to by "Dr." then they're probably not confident i

Just apply a simple rule of thumb to this situation - if someone has a doctorate and insists in being referred to by "Dr." then they're probably not confident in what they're doing. Nearly every place that Roy Spencer is mentioned he is referred to as Dr. Roy Spencer. The one exception to this is "humorous" situations. For example, when writing trite complaint letters or on a frequent flier memberships.