| Abstract: | Both response proportion and response time (RT) measures were obtained in a task requiring temporal order judgements (TOJ) of the illumination of two lights. The decrease in mean RT as the inter-stimulus interval increased enabled the deterministic decision rule for TOJ to be rejected. Although the data were not inconsistent with a decision process incorporating a threshold for temporal resolution, a model based on a random walk process accounted for important features of the data. The implications of these results for the commonly employed “perceived-order” method are discussed. |
