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muCap: Connecting FaceReader™ to z-Tree

Author

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  • Doyle, Leonard
  • Schindler, David

Abstract

μCap (muCap) is a software package (citeware) for economic experiments enabling experimenters to analyze emotional states of subjects using z-Tree and FaceReader™. μCap is able to create videos of subjects on client computers based on stimuli shown on screen and restrict recording material to relevant time frames. Another feature of μCap is the creation of time stamps in csv format at prespecified screens (or at prespecified points in time) during the experiment, measured on the client computer. The software makes it possible to import these markers into FaceReader™ easily. Until recently, connecting z-Tree and FaceReader™ was only possible using workarounds or by undertaking many successive actions manually. μCap is the first program that significantly simplifies this process with the additional benefit of extremely high precision. This paper describes the usage, underlying principles as well as advantages and limitations of μCap. Furthermore, we give a brief outlook of how μCap can be beneficial in other contexts.

Suggested Citation

  • Doyle, Leonard & Schindler, David, 2015. "muCap: Connecting FaceReader™ to z-Tree," Discussion Papers in Economics 24809, University of Munich, Department of Economics.
    • Handle: RePEc:lmu:muenec:24809
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    File URL: https://epub.ub.uni-muenchen.de/24809/1/Doyle_Schindler_MuCap_2015_05_10.pdf
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    References listed on IDEAS

    as
    1. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer;Economic Science Association, vol. 10(2), pages 171-178, June.
    2. Nguyen, Y. & Noussair, C.N., 2013. "Risk Aversion and Emotions," Discussion Paper 2013-041, Tilburg University, Center for Economic Research.
    3. Adriana Breaban & Charles N Noussair, 2018. "Emotional State and Market Behavior [Bubbling with excitement: en experiment]," Review of Finance, European Finance Association, vol. 22(1), pages 279-309.
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    Cited by:

    1. Perakakis, Pandelis & Guinot-Saporta, José & Jaber-Lopez, Tarek & García-Gallego, Aurora & Georgantzis, Nikolaos, 2019. "A technical note on the precise timing of behavioral events in economic experiments," Journal of Behavioral and Experimental Finance, Elsevier, vol. 21(C), pages 10-14.

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    More about this item

    Keywords

    Experiment; Software; FaceReader™; z-Tree;
    All these keywords.

    JEL classification:

    • C90 - Mathematical and Quantitative Methods - - Design of Experiments - - - General
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • C99 - Mathematical and Quantitative Methods - - Design of Experiments - - - Other

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