On 15/04/2013 15:31, Jethro_uk wrote:
.....
There's definitely some slightly less-than-obvious issues at play with
supermarket queues. My wife tends to plump for checkouts which look like
there's not too much on the belt. Myself, I would rather wait a second
for a crowded belt to become free with only one customer in front, than
have half an empty belt with 3 customers in front. That's because in my
experience, the overhead of queueing is predicated far more on number of
customers than number of items.

I also avoid queuing behind any single older ladies

I go for the checkout operators I know to be efficient.

Colin Bignell