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Categories: Assessment , Education , Psychology
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Cognitive reflection describes your ability to veto an initial, impulsive answer and replace it with one arrived at through deliberate analysis. It underpins accurate judgment in finance, planning, and everyday problem-solving where quick but misleading intuitions often arise.

This three-item assessment presents classic brain-teasers. You read each question, choose the response that first feels right, then reconsider before confirming. The reactive engine tallies correct overrides, assigns a performance band, and visualises results in an interactive donut chart rendered entirely in your browser.

Use it when preparing for decision-heavy tasks, training critical-thinking workshops, or simply benchmarking personal reasoning habits. *Treat findings as self-insight only; they do not diagnose intelligence or aptitude.* **Results do not constitute a clinical diagnosis.**

Technical Details:

Concept Overview

The Cognitive Reflection Test (CRT) contrasts two cognitive systems: fast, automatic intuition versus slow, deliberate reasoning. Each question is designed so that the intuitive answer is compelling yet wrong. Variables are the respondent’s three chosen values a1 to a3; the score S counts how many equal the correct keys k1-3.

Core Equation

S= ∑13 δ(ai,ki)

With δ(x,y)=1 when the two values match, else 0. Thus S ranges 0-3.

Interpretation Bands

  • 0 – Low: intuitive answers dominate.
  • 1 – Medium: occasional reflective override.
  • 2 – High: frequent reflective reasoning.
  • 3 – Very High: consistent intuition checking.

Variables & Parameters

  • a1-3 – selected answers (string).
  • k1-3 – correct answers (0.05, 5, 47).
  • S – sum of correct matches (integer).
  • Band – categorical label derived from S.

Assumptions & Limitations

  • Questions are in English; translation may alter intuitive pull.
  • Binary scoring ignores partial insight.
  • No timing is enforced; slow guesses can inflate scores.
  • Not validated for children below secondary-school reading level.

Edge Cases & Error Sources

  • Leaving an item blank records it as incorrect.
  • Malformed URL parameters are ignored and reset.
  • Browser storage disabled → answers lost on refresh.
  • Assistive-tech readers may reveal hidden hints.

Scientific Validity & References

Originated by Shane Frederick (2005) and replicated across behavioural-economics studies investigating metacognition, risk tolerance, and decision quality.

Privacy & Compliance

No personal or identifying data are processed; the assessment operates entirely client-side and aligns with GDPR principles.

Step-by-Step Guide:

Follow these actions to complete the assessment efficiently:

  1. Press Begin Test to reveal the first question.
  2. Select the answer that first feels correct.
  3. Pause, reflect, and change the choice if reasoning demands.
  4. Repeat for all three items; the sidebar lets you revisit any question.
  5. Review the scorecard and donut chart; note insights before closing.

FAQ:

Is this an IQ test?

No. It measures the tendency to reflect, not overall intelligence or knowledge breadth.

Is my data stored?

Nothing leaves your browser; answers are held in memory and optional URL parameters.

Can I share my results?

Yes. Copy the address bar after completion; the encoded string reproduces your selected answers.

Does speed matter?

No timer is enforced, yet responding too slowly shifts the task from intuition versus reflection toward general problem-solving.

Why only three questions?

Research shows these items reliably trigger intuitive traps while remaining quick enough for casual self-assessment.

Glossary:

Cognitive Reflection
Ability to replace instinctive responses with deliberate reasoning.
Intuition
Fast, automatic judgment produced without conscious analysis.
Deliberation
Slow, effortful reasoning overriding first impressions.
CRT Score
Sum of correct answers across the three items, range 0-3.
Performance Band
Qualitative level (Low to Very High) based on the score.

No data is transmitted or stored server-side.