These brief videos from Nielsen Norman Group – and the articles accompanying them – are great summaries of principles of good design and worth (re)visiting whether you’re making apps, or lessons, or… meetings. Recommended.
Peak-End Rule (link to article)
Working Memory, Cognitive Load and External Memory (link to article)
The Magical Number Seven (plus or minus two)
See also:
Art Vs Design
Design matters: refrigerator control dial
Design Matters (2): badly designed Android Bluetooth menu
Design Matters (3): Ingenious board game tile holder and embodied memory
Design Matters (4): a recipe for trouble
Design Matters (5): the information architecture of a water dispenser
Design Matters (6): Bosch hand-blender attachment
Design Matters (7): Death by PowerPoint
Design Matters (8): Where’s that file?
A well designed paper bag from Waitrose
Postbox: good info
Design Singapore: Changi airport (1)
Structure Counts: Information Architecture reading list and who’s who
Steve Krug on Simplicity