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PsychoLogic

Evidence-based psychology, psychometrics, and cognitive science research. Original analyses and research syntheses in psychometrics, intelligence research, and cognitive science.

Topics

IQ Scores & Ranges
IQ Testing & Measurement
Child Cognitive Development
Brain Health & Performance
Intelligence Theory & Models

Key references

The G Factor: What General Intelligence Means
Working Memory: Why It Matters
The IQ Bell Curve: How Scores Are Distributed
Fluid vs. Crystallized Intelligence
The Flynn Effect: Are Humans Getting Smarter?
Heritability of Intelligence: Twin Studies and Beyond
WAIS-IV vs WAIS-V: What Changed and Why It Matters
High IQ Ranges: Percentiles and Meaning

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Xavier Jouve, Ph.D.
Priya Sharma, Ph.D.
Nuno Freitas, Ph.D.