Abstract
Mark-sensed data recording has been used for many years by standardized testing companies, opinion-gathering organizations, and others. Mark-sensed forms provide a relatively efficient method for people to enter data directly on a machine-readable medium. However, there is a distinct paucity of performance data on the effects of several variables on the marking performance of individuals using mark-sensed forms. The present study manipulated three such variables in an attempt to determine whether users' performance on a zip code marking task was affected. These variables were number orientation (horizontal and vertical), number ordering (bottom-to-top and top-to-bottom for the vertical orientation), and handedness of users. Marking speed, marking errors, and error category were the dependent variables. None of the independent variables significantly affected subjects' performance.
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