Cognitive biases & design
Jerome Ribot at UX Oktoberfest (2013)
Related reading
Books, research, ideas and people referenced in this talk.
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Concepts
- Goal-gradient effect02:42Ribot introduces the goal-gradient effect as the tendency to want a goal more as one gets closer to achieving it.
- Peak-end rule12:02Ribot says that people judge experiences by their peaks and by how they ended.
- Chunking16:18Ribot explains that grouping related information into chunks makes a phone number easier to recall.
- Hedonic adaptation18:18Ribot names hedonic adaptation while describing how restricting access to pleasures can increase later enjoyment.
Projects and resources
- Steam Summer Sale04:46Ribot uses Steam's Summer Sale as an example of progress indicators and a feeling of ownership before a reward is obtained.
- Nike+ FuelBand12:10Ribot uses a Nike+ FuelBand example in which daily points and a long streak are lost after a missed target.
- Candy Crush Saga20:59Ribot cites Candy Crush Saga as a casual game that delays continued play to create desire.
Papers and articles
- When Choice Is Demotivating: Can One Desire Too Much of a Good Thing?09:10Ribot describes the jam-jar experiment as showing that fewer options can lead to more purchases than a larger choice set.
People
- Maya Angelou23:20Ribot closes with a Maya Angelou quote about people remembering how you made them feel.

