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About jsPsych
jsPsych was created by Josh de Leeuw. There have been many other contributors to the library; thanks to all of them!
Citation
If you use jsPsych for academic work please cite the following paper.
de Leeuw, J. R. (2015). jsPsych: A JavaScript library for creating behavioral experiments in a web browser. Behavior Research Methods, 47(1), 1-12. doi:10.3758/s13428-014-0458-y.
Response times
Wondering if jsPsych can be used for research that depends on accurate response time measurement? For most purposes, the answer is yes. Response time measurements in jsPsych (and JavaScript in general) are comparable to those taken in standard lab software like Psychophysics Toolbox and E-Prime. Response times measured in JavaScript tend to be a little bit longer (10-40ms), but have similar variance. See the following references for extensive work on this topic.
- de Leeuw, J. R., & Motz, B. A. (2016). Psychophysics in a Web browser? Comparing response times collected with JavaScript and Psychophysics Toolbox in a visual search task. Behavior Research Methods, 48(1), 1-12.
- Hilbig, B. E. (2016). Reaction time effects in lab- versus web-based research: Experimental evidence. Behavior Research Methods, 48(4), 1718-1724.
- Pinet, S., Zielinski, C., Mathôt, S. et al. (in press). Measuring sequences of keystrokes with jsPsych: Reliability of response times and interkeystroke intervals. Behavior Research Methods.
- Reimers, S., & Stewart, N. (2015). Presentation and response time accuracy in Adobe Flash and HTML5/JavaScript Web experiments. Behavior Research Methods, 47(2), 309-327.