Eye gaze is a powerful directional cue that automatically evokes joint attention states. Even when faces are ignored, there is incidental learning of the reliability of the gaze cueing of another person, such that people who look away from targets are judged less trustworthy. In a series of experiments, we demonstrated further properties of the…

Speeded enumeration of visual stimuli typically produces a bilinear function, with a shallow subitizing rate (less than 100 ms/item) up to 3-4 items (subitizing span) and a steeper counting rate ([image omitted]300 ms/item) thereafter. FINST theory (L. M. Trick & Z. W. Pylyshyn, 1993, 1994) suggests that subitizing of targets is possible in…

This experiment examined the relationship between reinforcer magnitude and quantitative measures of performance on progressive-ratio schedules. Fifteen rats were trained under a progressive-ratio schedule in seven phases of the experiment in which the volume of a 0.6-M sucrose solution reinforcer was varied within the range 6-300 microliters.…

Conflict adaptation effects refer to the reduction of interference when the incongruent stimulus occurs immediately after an incongruent trial, compared with when it occurs after a congruent trial. The present study analyzes the key conditions that lead to adaptation effects that are specific to the type of conflict involved versus those that are…

According to dual-process accounts of thinking, belief-based responses on reasoning tasks are generated as default but can be intervened upon in favor of logical responding, given sufficient time, effort, or cognitive resource. In this article, we present the results of 5 experiments in which participants were instructed to evaluate the…

Three experiments investigated the scope of advance planning in written production. Experiment 1 manipulated phonological factors in single word written production, and Experiments 2 and 3 did the same in the production of adjective-noun utterances. In all three experiments, effects on latencies were found which mirrored those previously…