TABLE 1.

Five clusters of personality trait words.

No.	Cluster name	Members of cluster
1	Extroversion	Socially poised – socially clumsy, awkward; talkative – introspective
2	Agreeableness	Readiness to cooperate – obstructiveness; assertive – submissive; suspicious – trustful
3	Neuroticism	Predictable – unpredictable (day-to-day behaviors and attitudes); easily upset – unshakable poise; dependent – self-sufficient
4	Conscientiousness	Frivolous – serious; conscientious – not conscientious; dependent-minded – independent-minded
5	Openness	Broad interests – narrow interests; cautious – adventurous; rigid – adaptable; imaginative – unimaginative