naa a22 4500 51077721X CHVBK 20180411083234.0 cr unu---uuuuu 180411e20131201xx s 000 0 eng 10.3758/s13428-013-0325-2 doi (NATIONALLICENCE)springer-10.3758/s13428-013-0325-2 Fitting model-based psychometric functions to simultaneity and temporal-order judgment data: MATLAB and R routines [Elektronische Daten] [Rocío Alcalá-Quintana, Miguel García-Pérez] Research on temporal-order perception uses temporal-order judgment (TOJ) tasks or synchrony judgment (SJ) tasks in their binary SJ2 or ternary SJ3 variants. In all cases, two stimuli are presented with some temporal delay, and observers judge the order of presentation. Arbitrary psychometric functions are typically fitted to obtain performance measures such as sensitivity or the point of subjective simultaneity, but the parameters of these functions are uninterpretable. We describe routines in MATLAB and R that fit model-based functions whose parameters are interpretable in terms of the processes underlying temporal-order and simultaneity judgments and responses. These functions arise from an independent-channels model assuming arrival latencies with exponential distributions and a trichotomous decision space. Different routines fit data separately for SJ2, SJ3, and TOJ tasks, jointly for any two tasks, or also jointly for the three tasks (for common cases in which two or even the three tasks were used with the same stimuli and participants). Additional routines provide bootstrap p-values and confidence intervals for estimated parameters. A further routine is included that obtains performance measures from the fitted functions. An R package for Windows and source code of the MATLAB and R routines are available as Supplementary Files. Psychonomic Society, Inc., 2013 Synchrony judgment nationallicence Temporal-order judgment nationallicence Point of subjective simultaneity nationallicence Experimental methods nationallicence Alcalá-Quintana Rocío Departamento de Metodología, Facultad de Psicología, Universidad Complutense, Campus de Somosaguas, 28223, Madrid, Spain aut García-Pérez Miguel Departamento de Metodología, Facultad de Psicología, Universidad Complutense, Campus de Somosaguas, 28223, Madrid, Spain aut Behavior Research Methods Springer US; http://www.springer-ny.com 45/4(2013-12-01), 972-998 45:4<972 2013 45 13428 https://doi.org/10.3758/s13428-013-0325-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.3758/s13428-013-0325-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Alcalá-Quintana Rocío Departamento de Metodología, Facultad de Psicología, Universidad Complutense, Campus de Somosaguas, 28223, Madrid, Spain aut NATIONALLICENCE 700 1- García-Pérez Miguel Departamento de Metodología, Facultad de Psicología, Universidad Complutense, Campus de Somosaguas, 28223, Madrid, Spain aut NATIONALLICENCE 773 0- Behavior Research Methods Springer US; http://www.springer-ny.com 45/4(2013-12-01), 972-998 45:4<972 2013 45 13428 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer