ShowYourIQ

Brain games

Each game is a task psychologists use, cut down to a minute or two. Each page says what the task measures and what the research found. None of them measures IQ.

Table 1. The games
GameWhat it measuresTakes
Reaction time testSimple reaction timeAbout a minute
Digit span testShort-term verbal memory2 to 4 minutes
Stroop testHolding back an automatic responseAbout a minute

Take the ShowYourIQ IQ test 32 questions, about 25 minutes, score and band free.