The day-night paradigm, where children respond to a pair of pictures with opposite labels for a series of trials, is a widely used measure of interference control. Recent research has shown that a happy-sad variant of the day-night task was significantly more difficult than the standard day-night task. The present research examined whether the…

The present study was designed to determine if subjects of different ages are equally distracted by meaningless perceptual and by semantic features of potentially interfering information. In contrast to a Stroop-like task, figures instead of words were used as possibly interfering information. First graders, fourth graders, and college students…