Robert J. Youmans

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The operation of machines typically requires attention to instruments that signal the state of the machine. One safeguard against primary instrument malfunction is to provide backup instruments, but this works only if the operators react to malfunction by switching attention to the backups. Little is known about the effect of negative outcomes or feedback(More)
The cognitive skills required for successful academic performance includes self-regulatory functioning, an ability to enact conscious control over thoughts, feelings, and actions. The current studies examined the effects of brief periods of meditation on the academic performance of students at California State University, Northridge. Participants from four(More)
Individual differences in cognitive flexibility may underlie a variety of different user behaviors, but a lack of effective measurement tools has limited the predictive and descriptive potential of cognitive flexibility in humancomputer interaction applications. This study presents a new computerized measure of cognitive flexibility, and then provides(More)
Student evaluations provide important information about teaching effectiveness. Research has shown that student evaluations can be mediated by unintended aspects of a course. In this study, we examined whether an event unrelated to a course would increase student evaluations. Six discussion sections completed course evaluations administered by an(More)