Quote: Durham Giant "
... All the other Phd's i know do not use the title Dr except in very specific circumstances. When doing a CV for a job, publictations, lecturing / training. When applying for a bank loan or signing a court statement. NOt one of them ever uses it when booking a plane ticket to avoid being collared at 30,000 feet with a medical emergency.
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Booking an airline ticket is just about the only non job related situation where I would consider using the title Dr. It improves the chance of an upgrade. It can also be useful on a driving licence.