Technology Tradeoffs : Main Comparison

Server-Side The experiment is run on the server Complexity is on the server The client needs only a browser with minimal capabilities Forms, Dynamically Created Web pages All actions require return to the server

Client-Side The experiment is run on the client's machine Complexity is on the client? Often requires plugin JavaScript, Flash Player, Java interpreter, etc. Some will not be pre-installed No need to worry about network traffic once experiment begins

• Division is extreme
  • Every experiment uses both server-side and client-side operations
  • At the minimum:
    • On the server-side: server must send page(s) and collect data
    • On the client-side: participant must have browser to display html and forms

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