An unchallenged assumption in individualistic Western nations is that is good and is bad.

individualism; conformity

Explanation:

         David Guy Myers is a well known psychologist in the Hope College, United States of America. He has conducted several experiments on psychology test on human behavior.

         According to him, in the Western region of the world, the unchallenged assumption of the people is that they assume or they believe that conformity is bad where as individualism is bad.

         Conformity may be defined as the change in belief or its behavior to please or accord with other people.

answer; (you have the right of way);