DrillBook vs 4 Dots Test

Our goal is to deliver a community-built library of content "built by firefighters for firefighters", New officers, Instructors, training reference holders and anyone who wants to have access to a library of ideas for each training session.

4 Dots Test is a digital version of the classic Group Bourdon Dot Cancellation Test—a well-established psychometric assessment used to measure concentration, sustained attention, and visual scanning ability. How It Works You’ll be presented with a grid containing groups of 3, 4, or 5 dots. Your objective is to identify and mark every group containing exactly 4 dots as quickly and accurately as possible. The test takes just 2 minutes to complete. What It Measures * Sustained attention * Concentration * Visual scanning speed * Accuracy under timed conditions * Cognitive processing efficiency Free Features * Complete the full 2-minute test * Receive your Net Score * See your overall performance rating * Unlimited practice Upgrade to Pro Unlock detailed performance analytics, including: * Accuracy Percentage * Grid Coverage * Correct Targets * Errors * Missed Targets * Personalised performance insights * Additional test banks for continued practice Whether you’re preparing for a psychometric assessment, training your concentration, or simply curious about your attention skills, 4 Dots Test provides a fast, reliable assessment in just two minutes.