Saved on this device

Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Psychology

How Cognitive Load Affects Problem-Solving Efficiency

Quick fact

Cognitive load theory was developed by John Sweller in the 1980s and has since become one of the most influential frameworks in educational psychology, showing that problem-solving efficiency can be improved by reducing unnecessary mental demands.

Why this is interesting

Have you ever felt your brain 'freeze' when a problem gets too complex, even though you knew the basics? That mental bottleneck is cognitive load—and it's the hidden factor that decides whether you solve problems quickly or get stuck.