Intelligence Scale

Stanford‑Binet IQ Assessment

This test assesses your intelligence and abilities through a series of questions and levels tailored to different age groups. It adapts as you go to find exactly where your ability peaks.

~45 minutesAdaptive levels5 domainsAges 5 to adult
A parent and child taking the Stanford-Binet assessment together at a laptop
What it measures

Five domains of cognitive ability

  • Spatial

    Patterns, rotation, and visual reasoning.

  • Memory

    Holding and recalling sequences.

  • Knowledge

    Vocabulary and general knowledge.

  • Quantitative

    Numerical and mathematical reasoning.

  • Fluid

    On-the-spot problem solving.

Before you begin

What to know before you start

A few things worth knowing before the first question.

  • 01

    Self-reliance

    Rely entirely on your own abilities when answering. The purpose is to evaluate your individual cognitive skills.

  • 02

    Quiet environment

    For the most accurate results, take the test in a quiet place free from distractions.

  • 03

    Health and well-being

    Make sure you are in good physical and psychological health. A positive mental state improves performance.

  • 04

    Supervision for children

    If the test-taker is under 16, a guardian should supervise, clarifying questions only and never giving answers.

  • 05

    Pause and resume

    You can pause the test at any time and return to finish it later whenever you need to.

  • 06

    Auto-save

    Your progress is saved automatically, so you can pick up where you left off, even after a disconnection.

You're all set

By following these instructions, you can ensure a fair and accurate assessment of your cognitive abilities.

Your responses are private and secure