Quote:
Originally Posted by nik-
That doesn't mean the question in invalid.
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No, but it doesn't mean it's valid, either. I guess it's *possible* that the payment method influences the amount tipped, but I find it unlikely. It's not like we're comparing Calgary with Praetoria or Moscow, we're comparing Canadian cities where presumably the market for this method of payment is reasonably similar. If that's so, you can extrapolate from these transactions and get results that are likely to be substantially correct.
All people have to offer to the contrary are anecdotes and the irrational belief that this can't be true because they don't want it to be true. As I said, if it would have been Edmonton and Vancouver as worst tipping cities, the related but equally irrational belief that it must be true because we want it to be true would have completely changed the tenor of the thread, even with the same methodology involved, and with the same obscure payment processor.