You believe all conservative people to be cold and aloof. when you meet a conservative you keep your distance, then the person seems to act cold toward you. this is an example of

This is an example of "self-fulfilling prophecy".

A self-fulfilling prophecy is a conviction that works out on the grounds that we are going about as though it is as of now obvious. Our desire that we will see a specific result changes our conduct, which shapes the way others see us. Thus, others give the criticism we've set ourselves up to get, which serves to fortify the first conviction.