Browse source code
Chris @ oTree
Asynchronous 2-player sequential game (players can play at different times), where we guarantee p...
Big 5 personality test
Humans vs. bots. This is a public goods game where you play against 2 bots. The bots use a tit-f...
A 'bots vs humans' game can be implemented simply by making a 1-player task and framing the serve...
Choice list (Holt/Laury, risk preferences, price list, equivalence test, etc)
Continuous-time public goods game with slider
Card game (crazy eights)
Double auction market
eBay style auction
Reach a consensus with your group before your payoffs shrink to 0. Similar to the "Endgame" segme...
Rating images (WTP/willingness to pay)
Iowa Gambling Task. See: "Insensitivity to future consequences following damage to human prefront...
For oTree beginners, it would be simpler to implement this as a discrete-time game by using mult...
Live coordination (voting with chat/negotiation)
Monty Hall problem
Game of Nim. Players take turns adding a number. First to 15 wins.
PANAS (positive and negative affect schedule)
Public goods with punishment, roughly based on Fehr & Gaechter 2000.
This app is a demonstration of different ordering of stimuli, such as multiple blocks, randomiza...
Reading the Mind in the Eyes Test (Baron-Cohen et al. 2001). See here: http://socialintelligence....
Scheduling players to start at a certain time (part 0: booking app)
Scheduling players to start at a certain time (part 1: grouping app)
Shopping app (online grocery store)
Strategy method for ultimatum game.
Supergames of an indefinitely repeated prisoner's dilemma
Social Value Orientation (Murphy et al)
Wait page implemented from scratch, using live pages.
Wisconsin card sorting test: https://doi.org/10.1093/cercor/1.1.62
Multiplayer word search game
Note: To open an *.otreezip file, enter:
otree unzip YOUR-FILE.otreezip