Cognitive Reflection Test

Cognitive Reflection Exam Prep 2026 FREE 1,235+ Questions with real explanations. Crush It First Try

Cognitive Reflection TestBy Dr. Alexandra KimApr 7, 202659 min read
Cognitive Reflection Test
โฑ๏ธ5mTime Limit
๐Ÿ“3Questions
โœ…17%Pass Rate
๐Ÿ’ตFreeExam Fee
๐Ÿ“Š0-3Scoring
๐Ÿ–ฅ๏ธOnlineFormat
๐Ÿ”„UnlimitedRetakes
๐ŸขVariousCenters
๐Ÿ“GlobalBased
๐ŸฉบN/ALicensure
๐Ÿ’ปYesComputer
๐ŸŽ“NoneDegree Required

The Cognitive Reflection Test is unique because its questions are designed to trigger an immediate, incorrect intuitive answer. Success requires suppressing this "System 1" impulse and activating "System 2" analytical reasoning.

Cognitive Reflection Test - Cognitive Reflection Test study guide

Cognitive Reflection Test Practice Test Questions

Prepare for the Cognitive Reflection Test exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.

Cognitive Reflection Test Cognitive Reflec...

Cognitive Reflection Test Exam Questions covering Cognitive Reflection Classic Numerical Reasoning Problems. Master Cognitive Reflection Test Test concepts for certification prep.

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Cognitive Reflection Test MCQ

Free Cognitive Reflection Test Test covering MCQ. Practice and track your Cognitive Reflection Test exam readiness.

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Cognitive Reflection Test Basic

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Cognitive Reflection Test

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CRT Flashcards

Tap to flip and review classic CRT logic puzzles

๐ŸA bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?

The ball costs 5 cents. (If the ball was 10 cents, the bat would be $1.10, totaling $1.20)

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โš™๏ธIf it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?

5 minutes. (Each machine takes 5 minutes to make one widget, regardless of the number of machines)

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๐ŸŒบIn a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days to cover the entire lake, how long would it take to cover half?

47 days. (Since it doubles every day, the day before it is full, it must be half full)

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๐ŸƒIf you're running a race and you pass the person in second place, what place are you in?

Second place. (You took the spot of the person you passed)

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๐Ÿ‘A farmer has 17 sheep and all but 9 die. How many are left?

9 sheep. (The question states "all but 9 die," meaning 9 survived)

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๐Ÿ‘จโ€๐Ÿ‘งMary's father has 5 daughters: Nana, Nene, Nini, Nono. What is the name of the fifth daughter?

Mary. (The first sentence states it is "Mary's father")

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CRT Exam Study Guide

To pass the cognitive reflection test crt, you must understand the difference between intuitive and analytical thinking. This study guide breaks down the core components of the frederick cognitive reflection test.

What is the Cognitive Reflection Test?
The Cognitive Reflection Test (CRT) is a short assessment designed to measure a person's tendency to override an incorrect "gut" response and engage in further reflection to find a correct answer.
Who created the CRT exam?
The CRT was developed by psychologist Shane Frederick in 2005. The cognitive reflection test frederick 2005 study highlighted the correlation between CRT scores and decision-making skills.
How long is the CRT test?
The classic CRT consists of only three questions and typically takes less than 5 minutes to complete, though there is often no strict time limit.
Is the CRT an IQ test?
While not a comprehensive IQ test, the cognitive reflection test iq correlation is strong. High scores on the CRT often correlate with high performance on standard intelligence measures.

Cognitive Reflection Test Format

The structure of the cognitive reflection test is deceptively simple. Unlike lengthy exams, the CRT focuses on a few potent questions that effectively separate intuitive thinkers from analytical thinkers.

๐ŸงฎAlgebraic Reasoning / Question 1

The "Bat and Ball" problem tests your ability to handle simple linear equations without falling for surface-level number association.

MathLogicAlgebra
  • Topics: Cost difference, variable isolation
  • Questions: 1 key question
โš™๏ธRate & Efficiency / Question 2

The "Widgets" problem assesses your understanding of independent rates versus collective output time.

RateTimeEfficiency
  • Topics: Production rates, time management
  • Questions: 1 key question
๐Ÿ“ˆExponential Growth / Question 3

The "Lily Pad" problem tests your grasp of geometric progression and backward reasoning in growth scenarios.

GrowthDoublingSequence
  • Topics: Geometric series, backward induction
  • Questions: 1 key question
๐Ÿง System 1 Thinking / The Trap

The test is designed to trigger System 1 (fast, intuitive) thinking, which provides the incorrect "lure" answers.

IntuitionImpulseFast
  • Topics: Cognitive bias, heuristic error
  • Questions: Applied to all items
๐Ÿค”System 2 Thinking / The Goal

Success requires activating System 2 (slow, analytical) thinking to verify and correct the initial impulse.

AnalysisReflectionSlow
  • Topics: Critical thinking, error correction
  • Questions: Required for correct answers
๐Ÿ“Extended CRTVariations

Newer versions like the extended cognitive reflection test add non-math verbal questions to test semantic inhibition.

VerbalLogicalModern
  • Topics: Linguistic traps, belief bias
  • Questions: 4-7 additional items

The single most effective strategy for the CRT is to distrust your first answer. If an answer comes to you instantly without any calculation, it is almost certainly the "lure" answer designed to trick you.

CRT Score Calculator

Total Scored Questions

150

0105150

105 out of 150 correct

70%

Required to Pass: ~70% (Estimated)

Your Score: 105 correctโœ“PASS

CRT Score Interpretation

Understanding your CRT score can reveal your thinking style. Most people score lower than they expect due to the deceptive nature of the questions.

Score (out of 3)Thinking StylePercentile Est.Interpretation
๐Ÿง  0 CorrectHigh IntuitiveBottom 40%Relies on gut instinct
๐Ÿค” 1 CorrectMixed Thinker40th-60th %Beginning to reflect
๐Ÿ“Š 2 CorrectAnalytical60th-80th %Strong verification skills
๐Ÿ† 3 CorrectHighly ReflectiveTop 20%Excellent impulse control
๐ŸŽ“ MIT StudentAverage 2.18Top TierElite analytical group

Studies on cognitive reflection test iq correlation show that high CRT scorers tend to perform better on standard IQ tests, have greater patience, and are less susceptible to cognitive biases.

Mastering the CRT

Improving your performance on the cognitive reflection test is about training yourself to pause and verify. Here is a step-by-step process to mastering this type of cognitive assessment.

๐Ÿ›‘
Step 1

Stop

Identify questions that seem "too easy" to be true; these are often cognitive reflection test examples of lures.
๐Ÿค”
Step 2

Think

Actively ignore the first number or answer that pops into your head (System 1).
๐Ÿงฎ
Step 3

Calc

Turn the word problem into a simple algebraic equation (e.g., x + (x + 1) = 1.10).
โœ…
Step 4

Verify

Perform the calculation explicitly rather than estimating.

CRT Test Costs

Unlike professional certifications, the cognitive reflection test is generally free and accessible for educational or self-assessment purposes.

๐Ÿ†“$0Online Practice Most websites offer free CRT tests
๐Ÿ“š$15-30Logic Books Books on decision science
๐Ÿ’ป$0Apps Brain training apps (free tier)
๐Ÿ“„$0PDF Download Free study guides

The primary investment for the CRT is your time and mental energy. Taking a free cognitive reflection test online takes only a few minutes but yields valuable insights.

Cognitive Reflection Test Questions - Cognitive Reflection Test study guide
Master the Crt Today guide - Cognitive Reflection Test certification study resource

Who Takes the CRT?

The CRT is relevant for anyone wishing to test their analytical decision-making skills.

๐Ÿงช

Researchers

Academic researchers use the CRT to study cognitive bias, decision theory, and the correlation between intuition and analysis in diverse populations.

๐Ÿ“ˆ

Financial Analysts

Professionals in finance use reflective thinking to avoid emotional market decisions and perform accurate risk assessments without cognitive bias.

๐ŸŽ“

Psychology Students

Students of psychology study the

CRT Contact Information

The CRT is a public domain psychological assessment. For official academic inquiries or research, consult the original publishers.

๐Ÿ“š

Academic Publisher Journal of

Economic Perspectives

Website: AEA Web

Services: Original Research

Contact: via website

๐ŸŒ

Yale

University Shane Frederick

Website: Yale SOM

Services: Research Author

Contact: Faculty Directory

๐Ÿ“

Online

Testing Practice Resources

Website: PracticeTestGeeks

Services: Free Practice

Contact: Support

CRT Test Checklist

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Improve your analytical thinking skills with our comprehensive practice tests. Challenge your mind and learn to overcome intuitive bias.

CRT Questions and Answers

About the Author

Dr. Alexandra KimPhD Professional Studies, CPLP, CPTD

Certified Professional Development Expert & Niche Certification Advisor

University of Pennsylvania Graduate School of Education

Dr. Alexandra Kim holds a PhD in Professional Studies from the University of Pennsylvania and is a Certified Professional in Learning and Performance (CPLP) and Certified Professional in Talent Development (CPTD). With 17 years of corporate training and professional certification advisory experience, she helps professionals navigate specialized, emerging, and cross-industry certification programs.