μCap: connecting FaceReader™ to z-Tree

Leonard Doyle, David Schindler

Research output: Contribution to journalArticleScientificpeer-review

Abstract

μCap 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. μCap is the first program that significantly simplifies the process of connecting z-Tree and FaceReader™ 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.
Original languageEnglish
JournalJournal of the Economic Science Association
DOIs
Publication statusE-pub ahead of print - May 2019

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Software packages
Experiments
Economics

Keywords

  • experiment
  • software
  • FaceReader
  • z-Tree

Cite this

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μCap: connecting FaceReader™ to z-Tree. / Doyle, Leonard; Schindler, David.

In: Journal of the Economic Science Association, 05.2019.

Research output: Contribution to journalArticleScientificpeer-review

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AB - μCap 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. μCap is the first program that significantly simplifies the process of connecting z-Tree and FaceReader™ 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.

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