Cattell Test: 16PF Personality Questionnaire
One of the most researched and validated psychometric instruments. The 16PF measures 16 primary personality traits identified through factor analysis.
About the Methodology
What It Measures
The test is based on Raymond Cattell's years of factor-analytic research. He analyzed 4,500 adjectives describing personality and through factor analysis identified 16 basic traits. Each factor represents a continuum between two poles.
Test Structure
Normative Data
Psychometric Properties
What the Test Measures
The test measures 16 key dimensions, each revealing important aspects of your personality.
Warmth (A)
7 questionsReserved — Warm. Tendency toward social interaction.
Reasoning (B)
7 questionsConcrete — Abstract thinking. Capacity for logical reasoning.
Emotional Stability (C)
7 questionsReactive — Emotionally stable. Emotion management.
Dominance (E)
7 questionsDeferential — Dominant. Leadership tendency.
Liveliness (F)
7 questionsSerious — Lively. Enthusiasm and expressiveness.
Rule-Consciousness (G)
7 questionsExpedient — Rule-conscious. Following rules and norms.
Social Boldness (H)
7 questionsShy — Socially bold. Social confidence.
Sensitivity (I)
7 questionsTough-minded — Sensitive. Emotional receptivity.
Vigilance (L)
6 questionsTrusting — Vigilant. Attitude toward others.
Abstractedness (M)
7 questionsGrounded — Abstracted. Immersion in ideas.
Privateness (N)
6 questionsForthright — Private. Social perceptiveness.
Apprehension (O)
7 questionsSelf-assured — Apprehensive. Tendency toward worry.
Openness to Change (Q1)
7 questionsTraditional — Open to change. Attitude toward new things.
Self-Reliance (Q2)
6 questionsGroup-oriented — Self-reliant. Independence from the group.
Perfectionism (Q3)
6 questionsTolerates disorder — Perfectionistic. Behavioral organization.
Tension (Q4)
7 questionsRelaxed — Tense. Level of internal tension.
Who Is This For
People seeking deep self-knowledge
HR specialists and psychologists
Psychology students
Leaders and managers
Practical Value
Complete profile across 16 personality traits
Understanding your strengths and weaknesses
Global factors: extraversion, anxiety
Foundation for career counseling
Cattell's 16PF Test: Scientific Foundations of Factor Analysis
16 primary personality factors identified through decades of factor analysis
🔬Scientific Basis of 16PF
Raymond Cattell began by analyzing 4,500 adjectives describing personality (lexical hypothesis). Through factor analysis, he reduced them to 16 primary factors — the basic traits that comprise personality.
📊16 Primary Personality Factors
Each factor represents a continuum between two opposite poles.
🌐5 Global Factors (Second-Order Factors)
The 16 primary factors group into 5 global factors — a precursor to the Big Five model.
⚖️16PF vs Big Five: What's the Difference?
The Big Five model was partially based on Cattell's work, but uses 5 factors instead of 16.
💡From 4,500 to 16 Factors
Cattell started with 4,500 adjectives and reduced them to 171 clusters, then to 35 variables, and finally to 16 factors. This 'lexical hypothesis' method became the foundation of all modern personality models.
📖 Cattell, R.B. (1946). Description and Measurement of Personality
Frequently Asked Questions
What does the Cattell 16PF test measure?
The test measures 16 primary personality factors identified by Raymond Cattell through factor analysis. Each factor represents a continuum between two poles (e.g., reserved — warm).
How is 16PF different from the Big Five?
Unlike the Big Five (5 factors), 16PF provides a more detailed profile with 16 scales. Interestingly, the Big Five model was partially developed based on Cattell's work.
How do I interpret the results?
Results show your profile across each of the 16 factors. There are no 'good' or 'bad' results — each pole has its advantages in different situations.
Ready to Learn About Yourself?
Take the test and get a detailed scientific analysis with personalized recommendations from an AI psychologist.
Test results are informational and cannot be used for clinical diagnosis.
Related Tests
Complete your psychological profile with other scientific methods
IPIP-NEO-300: Big Five Personality Inventory
The most comprehensive public domain personality inventory based on the Five-Factor Model (FFM). 300 questions measuring 5 domains and 30 facets of personality with scientific precision.
ECR-R: Attachment Style Test
Measures your attachment style in close relationships based on two dimensions: anxiety and avoidance.
Love Attitudes Scale (LAS-42)
Identifies your love style among 6 types: Eros (passionate), Ludus (playful), Storge (friendly), Pragma (practical), Mania (obsessive), and Agape (selfless).