#psychology

The Gestalt principles describe how the visual system groups elements into perceived wholes. The key ones for design: Proximity: elements close toget…

Deci and Ryan's self-determination theory: intrinsic motivation (doing something for its own sake) is more robust than extrinsic motivation (reward or…

Tversky and Kahneman: people estimate quantities by starting from an initial value (anchor) and adjusting insufficiently. Asked "Is the population of…

Biophilic design incorporates natural elements — light, plants, water, natural materials, views of nature — into built environments. The hypothesis: h…

Kahneman and Tversky found that losses loom roughly twice as large as equivalent gains — losing $100 feels about as bad as gaining $200 feels good. T…