Nancy White's blog post and slides

Life is about so much more than personality...character isn't as stable as we think it is...you're more influenced by the actions of those around you than you'd like to believe. Even out private sense of identity depends on context

I see fundamental attribution error related to this - attributing outcomes to personalities, and ignoring the situation that influenced or even caused the outcome

From wikipedia:

"...describes the tendency to over-value dispositional or personality-based explanations for the observed behaviors of others while under-valuing situational explanations for those behaviors. The fundamental attribution error is most visible when people explain the behavior of others."