42 open experiments

Experiments.

Each one is based on published research and takes a few rounds; most last two or three minutes. At the end you compare your answer with the crowd and read the science behind the finding. Play again as often as you like.

All Arcade Group Perception Memory and attention Decisions and logic Games Numbers and chance Race mode Not played yet

Biggest gains this week over last week first. Jumps from small numbers are smoothed out. 5 experiments

EXP. 007 · Attention

Name the color, not the word

Stopping yourself from reading is harder than you think: your brain has already read the word, whether you want it to or not. What changes when you flip the task, and when you race the clock?

2 min5 responses

Plays this week: 3

EXP. 008 · Reaction

How fast are you?

There is a gap between the moment your eye sees something and the moment your finger moves, and it grows as the options multiply. But can you stop yourself when you need to?

2 min5 responses

Plays this week: 3

EXP. 024 · Attention

Find the target

Some targets pop out of the crowd; others have to be searched for one by one. Measure the speed and limits of your visual search.

2 min2 responses

Plays this week: 2

EXP. 021 · Memory

Visual memory

Nine squares, one flashing sequence. When you memorize places instead of digits, how many steps can your memory carry?

3 min1 response

Plays this week: 1

EXP. 022 · Memory

Digit memory

The digits flash by one at a time. How many can you type back without mixing up the order, and how many are left when you type them in reverse?

3 min0 responses

Plays this week: 0