Guides
What your scores mean and how to improve them, in plain English. Each guide links to the tests it talks about, so you can try things as you read.
What is a good reaction time?Average reaction times, what counts as fast, why your device changes your score, and what really helps you react faster.Read the guide How to click faster: CPS techniques explainedWhat a good CPS is, how normal, jitter and butterfly clicking work, whether your mouse matters, and how to practise without hurting your hand.Read the guide How to improve your short-term memoryHow short-term and working memory work, why most people can hold about seven digits, and practical techniques like chunking that help you remember more.Read the guide Focus and attention tests explainedWhat the Stroop, Flanker, Go/No-Go, Trail Making and Schulte table tests measure, where they come from, and how to get better at them.Read the guide Sudoku tips for beginnersThe rules of Sudoku, the two techniques that solve most puzzles, how to use notes, and how to move from 4×4 to the classic 9×9 grid.Read the guide Using brain tests in the classroomIdeas for using reaction time, memory and focus tests in lessons: science experiments, warm-ups and brain breaks, with no accounts or sign up.Read the guide