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.
Blog — #psychometrics
Original research, methodology deep-dives, and comparison guides for personality assessments.
- 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.
- 6 min readMethodology
How IQ Scores Are Calculated
An IQ score is a rank, not a grade: how clinical tests build scaled, index and Full Scale scores, bell-curve rarity (1 in 44 at 130), and how an online estimate differs.
- 5 min readFrameworks
The g Factor Explained: The One Thing Every Cognitive Test Has in Common
Spearman's g and the positive manifold, the competing explanations for it, how factor analysis turns many tests into one score, and what g does and doesn't predict.
- 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 tests measure (g and five broad indexes), what scores predict, including the 2022 revision for job performance, what they miss, and how to judge an online test.
- 4 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.
- 4 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.
- 6 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.