When judd enters the elevator at the hospital he faces the back of the elevator. he does not turn and face the door, like everyone else does. instead of pushing the button himself for the third floor, he asks a doctor to push the button for him. judd's unusual behaviors are an example of

Expectancy violation

Explanation:

Expectancy violation theory is a theory that tries to explain the unexpected behavior of a person or human being. This theory is based on uncertainty reduction theory where a person's unusual behavior of vagueness has been reduced by interaction. It has been developed from the nonverbal expectancy model that was given by Judee k Burgoon. This theory has been describing the personal space of a person that has been possessed by a person and the response of a person towards violation. This theory focuses on the specific perception of a person in a specific situation. When people start to speak with another person then they expect that in what manner a person will respond to them.  

There are two types of expectancy

a) which ethnic groups live in this community?

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