There is a well known affect when joining a new group with some studies behind it: https://en.wikipedia.org/wiki/FNG_syndrome https://en.wikipedia.org/wiki/FNG_

There is a well known affect when joining a new group with some studies behind it: https://en.wikipedia.org/wiki/FNG_syndrome https://en.wikipedia.org/wiki/FNG_syndrome Anytime I deal with new employees I am constantly focused on this bias. EDIT and here is more of a general theory/subject on this: https://en.wikipedia.org/wiki/Group_cohesiveness https://en.wikipedia.org/wiki/Group_cohesiveness (a quick read)