1) The document discusses how environmental cues like the color of plates food is served on can influence people's perceptions of the food's taste, with salty popcorn tasting sweeter from a blue or red bowl compared to a white bowl.
2) It describes a study showing that completing a physical act of closure, like closing a menu, can increase satisfaction with choices even when the options were undesirable.
3) A field experiment found that giving people a tangible coin with weekly savings goals scratched off was more effective at encouraging savings than financial incentives or reminder text messages alone.