Neuroticism Extraversion Openness Personality Inventory, or NEO PI-R (same, revised) is a psychological personality inventory; a 240-questionnaire measure of the Five Factor Model: Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to experience.

Additionally, the test measures six subordinate dimensions of each of the "Big Five" personality factors.

1. Neuroticism
   1. Anxiety
   2. Hostility
   3. Depression
   4. Self-Consciousness
   5. Impulsiveness
   6. Vulnerability to Stress
2. Extraversion
   1. Warmth
   2. Gregariousness
   3. Assertiveness
   4. Activity
   5. Excitement Seeking
   6. Positive Emotion
3. Openness
   1. Fantasy
   2. Aesthetics
   3. Feelings
   4. Actions
   5. Ideas
   6. Values
4. Agreeableness
   1. Trust
   2. Straightforwardness
   3. Altruism
   4. Compliance
   5. Modesty
   6. Tendermindedness
5. Conscientiousness
   1. Competence
   2. Order
   3. Dutifulness
   4. Achievement Striving
   5. Self-Discipline
   6. Deliberation.

The test was developed by Paul T. Costa, Jr. and Robert R. McCrae for use with adult (18+) men and women without overt psychopathology.

See also

• Minnesota Multiphasic Personality Inventory
• Zung Self-Rating Depression Scale

NEO-PI-R