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PsychoLogic

Evidence-based psychology, psychometrics, and cognitive science research

  • IQ Scores
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  • Child Cognitive Development
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Guides

In-depth, evidence-based guides on cognitive science topics, written by our editorial team.

  • The Complete Guide to Child Cognitive Development
  • Education and Intelligence: What the Evidence Shows
  • The Complete Guide to Brain Health and Cognitive Performance
  • Genetics of Intelligence: Nature, Nurture, and Epigenetics

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

About

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

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