Watch for
Overweighting distinctive information simply because it is memorable.
Memory & AttentionBias #61
Von Restorff Effect
Standout items are easiest to recall.
The phenomenon where an item that stands out from its surroundings is significantly more likely to be remembered than items that blend in.
Why it matters: Also called the Isolation Effect. Widely used in advertising and education.
Try this
Seek out and encode non-distinctive information that may be equally important.
Real-world example
A single red word in a list of black words is far more likely to be recalled.
Key researchers
Hedwig von Restorff
First described in 1933
Psychological mechanism
Distinctiveness-based encoding. The brain allocates extra attention to stimuli that deviate from surrounding context marking them as potentially important.
Seminal research
Hedwig von Restorff (1933), "Uber die Wirkung von Bereichsbildungen im Spurenfeld."
Related Biases
Debrief
Biases are not character flaws. They are recurring patterns in how minds compress uncertainty, save energy, and narrate reality. Once you recognise the pattern, you can slow the decision down, test the assumption, and make space for a better explanation.
Sources
Original ResearchVon Restorff (1933) — Original paper
EducationalAPA Dictionary entry