What is oTree?
     A platform for lab, web and field experiments
      • Open source
      • Online (runs in browser)
      • Object oriented 
        programming
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       Background
       •
        I started oTree at ETH Zurich, working for 
        Daniel Chen
       •
        Originally created it for our own experiments
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       4 usage scenarios
     1.) Lab
       •Use a server or your own laptop
       •100+ participants
     2.) Online
       •Surveys and interactive games
       •Amazon Mechanical Turk integration
     3.) Field
       •Internet access not necessary
       •e.g. remote village – bring 30 tablets and server laptop
     4.) Classroom
       •Have students go to a URL like yoursite.com/room/demo and play 
        on their own devices
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                    Who’s using oTree?
         •Academic                          •Industry
           •Armin Falk (1000                  •GfK (top 5 market 
            participants)                      research company)
           •John List
                                            • rd
                                              3  party tools
           •IBSEN: largest ever public        •oTree Virtual Machine 
            goods game                         Manager
         •Government                          •Continuous time matrix 
           •IRS                                games
           •Consumer Financial                •Continuous time auctions
            Protection Bureau                 •Network games
           •Korea Labor & Income            •600 people on 
            Panel (900 participants)          discussion list, 1000 
           •Singapore Life Panel              discussion topics
            (3000 participants)
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          Why should you pick oTree?
          •One platform
            •Lab, online, field, classroom
            •Desktops, tablets, smartphones
            •Games, surveys
          •Flexible
          •The easiest general-purpose programming experience
          •Modern user interface
          •Stable & proven
          •Bots for automated testing
          •Excellent long-term viability (open source, large 
           community, solid technical design)
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