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IQ Scores & Interpretation

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

60 Articles
What is the General Ability Index (GAI)? The Wechsler composite explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the General Ability Index (GAI)? The Wechsler composite explained

Sep 25, 2026•1 Min
What is the Processing Speed Index (PSI)? Reading the Wechsler score
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Processing Speed Index (PSI)? Reading the Wechsler score

Sep 25, 2026•1 Min
What is the Perceptual Reasoning Index (PRI)? A legacy Wechsler score explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Perceptual Reasoning Index (PRI)? A legacy Wechsler score explained

Sep 25, 2026•1 Min
What is the Visual Spatial Index (VSI)? The Wechsler score explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Visual Spatial Index (VSI)? The Wechsler score explained

Sep 25, 2026•1 Min
What is the Verbal Comprehension Index (VCI)? Reading the score on a Wechsler report
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Verbal Comprehension Index (VCI)? Reading the score on a Wechsler report

Sep 25, 2026•1 Min

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What is the Fluid Reasoning Index (FRI)? The Wechsler composite explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Fluid Reasoning Index (FRI)? The Wechsler composite explained

Sep 25, 2026•1 Min
What is the Cognitive Proficiency Index? The Wechsler CPI explained
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Cognitive Proficiency Index? The Wechsler CPI explained

Sep 25, 2026•1 Min
T score to percentile: how to read a T score
Dr. Russell T. Warne
Dr. Russell T. Warne

T score to percentile: how to read a T score

Sep 25, 2026•1 Min
Scaled score to percentile: converting Wechsler subtest scores
Dr. Russell T. Warne
Dr. Russell T. Warne

Scaled score to percentile: converting Wechsler subtest scores

Sep 25, 2026•1 Min
Standard score to percentile: how the conversion works
Dr. Russell T. Warne
Dr. Russell T. Warne

Standard score to percentile: how the conversion works

Sep 25, 2026•1 Min
What Does an IQ of 165 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 165 Mean?

Aug 17, 2026•1 Min
What Does an IQ of 200 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 200 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 180 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 180 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 155 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 155 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 95 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 95 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 90 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 90 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 80 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 80 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 75 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 75 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 70 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 70 Mean?

Aug 16, 2026•1 Min
What Does an IQ of 105 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 105 Mean?

Aug 10, 2026•1 Min
What Does an IQ of 85 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 85 Mean?

Aug 10, 2026•1 Min
What Does an IQ of 128 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 128 Mean?

Aug 9, 2026•1 Min
What Does an IQ of 136 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 136 Mean?

Aug 9, 2026•1 Min
SAT to IQ Conversion: What the Correlation Really Shows
Dr. Russell T. Warne
Dr. Russell T. Warne

SAT to IQ Conversion: What the Correlation Really Shows

Aug 8, 2026•1 Min
What Does an IQ of 110 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 110 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 115 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 115 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 150 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 150 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 160 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 160 Mean?

Aug 8, 2026•1 Min
IQ Percentiles Explained
Dr. Russell T. Warne
Dr. Russell T. Warne

IQ Percentiles Explained

Aug 8, 2026•1 Min
What Does an IQ of 125 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 125 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 135 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 135 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 140 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 140 Mean?

Aug 8, 2026•1 Min
What Does an IQ of 130 Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of 130 Mean?

Aug 8, 2026•1 Min
The IQ Bell Curve Explained
Dr. Russell T. Warne
Dr. Russell T. Warne

The IQ Bell Curve Explained

Aug 3, 2026•1 Min
Understanding IQ Score Scales: A Complete Guide
Dr. Russell T. Warne
Dr. Russell T. Warne

Understanding IQ Score Scales: A Complete Guide

Aug 3, 2026•1 Min
ACT to IQ Conversion Chart Explained
Dr. Russell T. Warne
Dr. Russell T. Warne

ACT to IQ Conversion Chart Explained

Aug 2, 2026•1 Min
What IQ Do Gifted People Have?
Dr. Russell T. Warne
Dr. Russell T. Warne

What IQ Do Gifted People Have?

Jul 21, 2026•1 Min
What Does IQ Predict?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does IQ Predict?

Jul 15, 2026•1 Min
What Is the Difference Between IQ and Emotional Intelligence?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Difference Between IQ and Emotional Intelligence?

Jun 24, 2026•1 Min
IQ vs. EQ: Which One Matters More for Career Success?
Dr. Russell T. Warne
Dr. Russell T. Warne

IQ vs. EQ: Which One Matters More for Career Success?

Jun 24, 2026•1 Min
What Is a Ceiling Effect on an IQ Test?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is a Ceiling Effect on an IQ Test?

Jun 3, 2026•5 Min
What Is a Norm Group in IQ Testing?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is a Norm Group in IQ Testing?

Jun 3, 2026•5 Min
What Is Full Scale IQ? How to Read the Overall Score
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is Full Scale IQ? How to Read the Overall Score

Jun 2, 2026•4 Min
Is 145 a High IQ Score?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is 145 a High IQ Score?

Feb 5, 2026•1 Min
What Is a 'Good' IQ Score?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is a 'Good' IQ Score?

Feb 5, 2026•1 Min
Is a 120 IQ considered gifted?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is a 120 IQ considered gifted?

Oct 14, 2025•1 Min
What Is the Dumbest IQ Score?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Is the Dumbest IQ Score?

Mar 18, 2025•1 Min
Is an IQ of 170 considered a genius?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is an IQ of 170 considered a genius?

Mar 12, 2024•1 Min
Is My IQ Score Good?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is My IQ Score Good?

Jan 8, 2024•1 Min
What is a Good IQ Score?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is a Good IQ Score?

Jan 7, 2024•1 Min
What is Considered a High IQ?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is Considered a High IQ?

Jan 7, 2024•1 Min
Understanding Your Free IQ Test Results in 2026
Dr. Russell T. Warne
Dr. Russell T. Warne

Understanding Your Free IQ Test Results in 2026

Dec 23, 2023•1 Min
Why is 100 the Average IQ?
Dr. Russell T. Warne
Dr. Russell T. Warne

Why is 100 the Average IQ?

Dec 5, 2023•1 Min
Does IQ Change With Age?
Dr. Russell T. Warne
Dr. Russell T. Warne

Does IQ Change With Age?

Dec 5, 2023•1 Min
What Does an IQ of X Mean?
Dr. Russell T. Warne
Dr. Russell T. Warne

What Does an IQ of X Mean?

Dec 5, 2023•1 Min
Does IQ Matter?
Dr. Russell T. Warne
Dr. Russell T. Warne

Does IQ Matter?

Nov 26, 2023•1 Min
What is the IQ Scale/Range?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the IQ Scale/Range?

Nov 14, 2023•1 Min
What is the Highest Possible IQ?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is the Highest Possible IQ?

Nov 11, 2023•1 Min
What is a Genius IQ Score?
Dr. Russell T. Warne
Dr. Russell T. Warne

What is a Genius IQ Score?

Nov 11, 2023•1 Min
Is a 97 IQ considered dumb?
Dr. Russell T. Warne
Dr. Russell T. Warne

Is a 97 IQ considered dumb?

May 16, 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
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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

Learn more
Vocabulary
Matrix Reasoning
SToVeS
Visual Reversal
Symbol Search
Most comprehensive

Full IQ Test

15 subtests + all cognitive abilities

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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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