thomas15b: 3x3 face recognition confusion matrix for Observer B

Description Usage Format Author(s) Source


This data set contains the results of a 3x3 full-report face recognition experiment reported in Thomas et al (2015). The two channels are degree of eye separation and nose width, with three levels on each dimension.




an xtabs instance, containing counts for all stimulus-response combinations. The first two dimensions consist of the response counts on each level of nose width and eye separation, respectively, and the third dimension indexes the stimulus.


Robin D. Thomas


Thomas, R. D., Altieri, N. A., Silbert, N. H., Wenger, M. J., & Wessels, P. M. (2015). Multidimensional signal detection decision models of the uncertainty task: Application to face perception. Journal of Mathematical Psychology, 66, 16-33.

Search within the mdsdt package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? or email at

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.