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Old 07-04-2017, 12:35 AM
Noel Prosequi Noel Prosequi is offline
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Join Date: Aug 2006
Location: In the Ning Nang Nong
Posts: 1,298
Closest I can come is some variant of the 80-20 rule. The idea is that 20% of your staff cause 80% of your problems, and this is generalisable to ideas like 20% of a job takes 80% of the time to do it.

When you were a kid at school, you probably didn't hang out with the naughty kids, you saw your friends, so availability bias led you to think that most kids were just decent kids like you and your mates. When you become a teacher with a aeroplane perspective of the whole of the class, the little shits loom much larger than the good kids, and you come to believe that modern kids are so much worse than back in the day. Variant of the 80-20 phenomenon.