wason selective test

Photo credit: Canva – Why is the Wason Selection Task such a difficult logic puzzle?

Education, Skills

Only 1 in 10 people passed this 4-card logic test until researchers gave it a ‘human’ tweak

Annie Reneau

5/12/2026
An Operation Smile volunteer reverses an oxygen mask so a child with a cleft condition can blow a bubble for the first time in Guadalajara, Mexico. (Operation Smile Photos)

In Partnership With Operation Smile →

Family, Science

How Bubbles Help Kids with Cleft Conditions

Sarah Watts

5/11/2026