16PF Personality Test
Cattells 16PF measures 16 personality dimensions - how warm, assertive, emotionally stable, or open to change you tend to be. 163 items, about 25-30 minutes.
16 traits that define personality
The 16 Personality Factors (16PF) questionnaire measures personality across 16 primary traits. Developed by Raymond Cattell in the 1940s–50s, it was one of the first comprehensive personality assessments based on factor analysis.
The 16 primary factors
The traits include: Warmth, Reasoning, Emotional Stability, Dominance, Liveliness, Rule-Consciousness, Social Boldness, Sensitivity, Vigilance, Abstractedness, Privateness, Apprehension, Openness to Change, Self-Reliance, Perfectionism, and Tension.
Global factors
The 16 primary traits also combine into five global factors: Extraversion, Anxiety, Tough-Mindedness, Independence, and Self-Control.
About this assessment
Raymond Cattell used factor analysis to identify the basic building blocks of personality. The 16PF has gone through several revisions, with the current fifth edition (15PF-5) published in 1993.
- Internal consistency: α = 0.70–0.85 (primary scales)
- Test-retest reliability: r = 0.70–0.85
- Completion time: 25–35 minutes
Result Interpretation
After completing the 163 questions, you'll receive an immediate, detailed report with:
- Your score — calculated automatically based on your responses
- Score interpretation — what your score means in practical terms
- Dimension breakdown — separate scores for each sub-scale
- Context — how your results compare to general population norms where available
All results are displayed on screen. No account or login needed.