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Special Population & Related Conditions

Learn more about IQ & Human Intelligence with a broad range of high quality articles written by Russell T. Warne and the Riot IQ team.

21 Articles
Adaptive behavior assessment: how everyday skills get measured
Dr. Russell T. Warne
Dr. Russell T. Warne

Adaptive behavior assessment: how everyday skills get measured

Sep 28, 2026•1 Min
How Is Dysgraphia Tested? What a Dysgraphia Test Actually Measures
Dr. Russell T. Warne
Dr. Russell T. Warne

How Is Dysgraphia Tested? What a Dysgraphia Test Actually Measures

Sep 28, 2026•1 Min
What is a specific learning disorder? The DSM-5-TR diagnosis explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is a specific learning disorder? The DSM-5-TR diagnosis explained

Sep 28, 2026•1 Min
How Is Dyslexia Tested? What a Dyslexia Test Actually Measures
Dr. Russell T. Warne
Dr. Russell T. Warne

How Is Dyslexia Tested? What a Dyslexia Test Actually Measures

Sep 28, 2026•1 Min
How Is Dyscalculia Diagnosed?
Dr. Russell T. Warne
Dr. Russell T. Warne

How Is Dyscalculia Diagnosed?

Aug 8, 2026•1 Min

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What Does Twice Exceptional (2e) Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does Twice Exceptional (2e) Mean?

Aug 8, 2026•1 Min
How Does Gifted Testing Work?
Dr. Russell T. Warne
Dr. Russell T. Warne

How Does Gifted Testing Work?

Aug 8, 2026•1 Min
What Is Savant Syndrome?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is Savant Syndrome?

Aug 4, 2026•1 Min
Does Diet or Nutrition Affect IQ?
Dr. Russell T. Warne
Dr. Russell T. Warne

Does Diet or Nutrition Affect IQ?

Aug 2, 2026•1 Min
What Is the Highest IQ Ever Recorded?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Highest IQ Ever Recorded?

Aug 2, 2026•1 Min
What Is the Average IQ in Germany?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Average IQ in Germany?

Aug 2, 2026•1 Min
What Is the Average IQ in China?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Average IQ in China?

Aug 2, 2026•1 Min
What Is the Average IQ of a Doctor?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Average IQ of a Doctor?

Aug 2, 2026•1 Min
Is There a Link Between IQ Score and Depression?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is There a Link Between IQ Score and Depression?

Aug 2, 2026•1 Min
What Is the Difference Between ADHD and High Intelligence in Kids?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Difference Between ADHD and High Intelligence in Kids?

Jul 22, 2026•1 Min
What is Considered a Low IQ?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is Considered a Low IQ?

Dec 3, 2025•1 Min
Child Giftedness
Dr. Russell T. Warne
Dr. Russell T. Warne

Child Giftedness

Dec 5, 2023•1 Min
Low IQ and Intellectual Disability
Dr. Russell T. Warne
Dr. Russell T. Warne

Low IQ and Intellectual Disability

Dec 5, 2023•1 Min
IQ and Autism
Dr. Russell T. Warne
Dr. Russell T. Warne

IQ and Autism

Dec 3, 2023•1 Min
IQ and ADHD
Dr. Russell T. Warne
Dr. Russell T. Warne

IQ and ADHD

Nov 30, 2023•1 Min
Is IQ Genetic?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is IQ Genetic?

Nov 21, 2023•1 Min
Article Categories
All ArticlesUnderstanding IQ ScoresTaking an IQ TestRIOT-Specific InformationGeneral IQ & IntelligenceAdvanced Topics & ResearchIQ Scores & InterpretationMensa & High-IQ SocietiesOnline IQ Tests IQ Test Basics & FundamentalsAverage IQ & DemographicsFamous People & IQHistory & Origins Of IQ TestingAccuracy, Reliability & CriticismSpecial Population & Related ConditionsImproving IQ / PreparationSpecific IQ Tests & FormatsIQ Testing for HR & RecruitmentSkills Assessment
Take our IQ tests

Basic IQ Test

5 subtests + 5 cognitive abilities

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Features

  • ~13 Minutes
  • IQ score
  • Cognitive abilities breakdown
  • ±5.6 IQ margin of error

5/15 Subtests

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Vocabulary
Matrix Reasoning
SToVeS
Visual Reversal
Symbol Search
Most comprehensive

Full IQ Test

15 subtests + all cognitive abilities

Take the IQ test

Features

  • ~52 Minutes
  • IQ score
  • Cognitive abilities breakdown
  • ±3.7 IQ margin of error

15/15 Subtests

Learn more
Vocabulary, Information, Analogies
Matrix Reasoning, Visual Puzzles, Figure Weights
Object Rotation, SToVeS, Spatial Orientation
Computation Span, Exposure Memory, Visual Reversal
Symbol Search, Abstract Matching
Simple Reaction Time, Choice Reaction Time
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