10 min readmethodology
MBTI Types: What They're Useful For (and What They're Not)
Your four letters feel like home — science has footnotes. What MBTI-style profiles are useful for, and what they must not claim.
Blog — #psychometrics
Original research, methodology deep-dives, and comparison guides for personality assessments.
- 10 min readmethodology
Free Psychological Tests Online: What's Worth Taking
Validated instruments vs horoscopes with progress bars: how to judge a free psychological test, what free really buys, and a guided tour of My Path.
- 10 min readmethodology
Psychological Exam: What to Expect and How to Prepare
Clinical evaluation, pre-employment screening, or self-assessment — what each actually involves, how to prepare, and the myths about right answers.
- 10 min readmethodology
Psychological Test Questions and Answers: Real Examples
There is no answer key — and understanding why changes everything. Real sample items by instrument type, what each measures, and how scoring works.
- 10 min readmethodology
How Often Should You Retake Personality Tests?
You took it once, in a bad week, three years ago. Retest cadence by instrument type — trait vs weather vs relationship — and reading trends honestly.
- 10 min readmethodology
AI Personality Analysis: What It Can See That Scores Can't
Scores without synthesis are a blood panel without a doctor. What AI analysis adds across instruments, what it must never claim, and reading it critically.
- 7 min readmethodology
How IQ Scores Are Calculated
An IQ score is a rank, not a grade. How raw answers become scaled and composite scores, why deviation replaced the old quotient, and how the bell curve and re-norming set the number.
- 7 min readmethodology
How to Interpret Your IQ Results
The headline number does the least useful work. Read the index profile, uneven strengths, and percentile rarity—then turn the report into study, work, and learning strategy.
- 7 min readframeworks
The g Factor Explained: The One Thing Every Cognitive Test Has in Common
The most replicated finding in psychology. Spearman's g, the positive manifold, neural efficiency, factor analysis, and why your Full Scale IQ is essentially an estimate of g.
- 6 min readframeworks
The Complete Guide to the Big Five Personality Test
A Five-Factor (OCEAN) guide: traits vs types, facets, validity, career cues, limits, and interpreting scores responsibly without mistaking labels for identity.
- 6 min readframeworks
What IQ Tests Actually Measure
What IQ scores sample: general ability (g), core subtests, prediction limits, fairness & Flynn nuances, misconceptions, constructive interpretation—not rank.
- 9 min readcomparisons
Big Five vs MBTI: Which is More Accurate?
Compare Big Five traits and MBTI types for predictive validity, reliability, and careers—plus when trait scores outperform simple four-letter stereotypes.
- 9 min readcomparisons
EQ vs IQ: Which Predicts Career Success?
IQ versus EQ careers: overlaps in training/teaming versus edges in burnout repair, mentorship, ambiguity—plus myths about dominance and deterministic success.
- 9 min readcomparisons
Big Five vs Enneagram
Traits versus motivations: Big Five vs Enneagram on evidence, stereotypes, facilitation speed, and when dimensional scoring beats a single motivational label.
- 10 min readmethodology
Free Online Personality Tests That Are Actually Accurate
Separate solid free personality measures from marketing noise: traits, facets, norms, scams, fairness traps, and paid depth only when it earns the price.
- 10 min readmethodology
What Personality Tests Actually Measure (And What They Don't)
Traits vs states vs motivations vs behaviors — a clear guide to what each framework captures, what it misses, and how to combine them for full coverage.