Please answer all questions.

1		The classification of people into groups on their common attributes is called social .
2		Research indicates that people pay less attention to those in subordinate positions within the hierarchy and are more likely to judge and treat people in accordance with, or on the basis of, prevailing social stereotypes.
3		A habitual tendency to attribute negative events to external, unstable, and specific causes, and positive events to internal, stable, and global causes is a/an explanatory style.
4		Fixed ways of thinking about people and inflexibly categorizing them is .
5		The tendency to judge the frequency or probability of an event by how readily it comes to mind is known as the heuristic.