Skip the pups who run for cover and stay there. Attachment to People Sit with all the pups for ten minutes or so. Look for the pup who stays near you. Any pup who does not come over to say hello within a minute should be avoided. If one pup is constantly nipping you skip him as well.
Every puppy has an individual personality.
Each litter contains a range of personalities. Chances are you'll find a couple of pups who are friendly, stable, and attracted to people. Select your new pet from one of these. Watch how he is with his people, if you can. If he's friendly and calm with them, that's a good sign.