Four Preferences
The four-letter one
Overview
A generic implementation of the popular four-letter type system, measuring preferences across four dichotomies to produce a 4-letter personality type (e.g., INFP, ESTJ).
What It Measures
- Extraversion (E) vs. Introversion (I) — where you direct your energy and attention
- Sensing (S) vs. Intuition (N) — how you take in information
- Thinking (T) vs. Feeling (F) — how you make decisions
- Judging (J) vs. Perceiving (P) — how you approach the outside world
Format & Scoring
Test Format
Fixed form, 40 items. Balanced presentation with within-group randomization.
Scoring Approach
Dichotomous scoring on each preference, with confidence intervals. Type is determined by which side of each dichotomy you prefer.
Best For
Understanding your preferences in how you interact with the world. Popular for career guidance, relationship insights, and personal development.
Background
Based on Carl Jung's theory of psychological types, later developed into the popular MBTI® instrument. This is a generic implementation, not the official MBTI.
Limitations
- Dichotomous scoring can oversimplify continuous traits
- Type stability can vary over time
- Not empirically validated in this implementation
Epistemic Status
A type description — a way of seeing yourself, not a measurement
This system's typology classification means it operates from a jungian-type tradition. All packs are currently marked as "piloted" — psychometric parameters are illustrative pending empirical validation.
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