An instruction manual was evaluated to determine the effects of tab type, heading placement and practice on time to locate information, number of errors and perceived ease of use. Forty-eight computer programmers from UNISYS Corporation, ranging in ag . . .

Eight pilots and eight non-pilots were rotated in a Barany chair at 30 revolutions per minute and 45 revolutions per minute for 60 and 120 seconds. The subjects were required to track a target on a computer screen after the rotation to determine the a . . .

In recent years, a number of studies have examined failure detection performance as a function of the subject's participatory mode (manual vs. automatic mode). The generalizeability of these studies has been limited by both the simplicity of the tasks . . .

A group of currently non-depressed college students (as assessed by the Beck Depression Inventory, BDI) who are vulnerable to depression, were given the Topic Appropriateness Scale (TA) and the BDI on two separate occasions to elicit both their willin . . .