Behavior Research Methods (2013) - Comment
pubmed: 23709166  doi: 10.3758/s13428-013-0352-z  issn: 1554-3528 

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Christopher R. Wolfe, Colin L. Widmer, Valerie F. Reyna, Xiangen Hu, Elizabeth M. Cedillos, Christopher R. Fisher, Priscilla G. Brust-Renck, Triana C. Williams, Isabella Damas Vannucchi, Audrey M. Weil