Abstract
Abstract The prevalence of video display terminals (VDTs) in data processing settings has encouraged research into the factors affecting proofreading performance in electronic and hard copy formats. The present study undertook the initial investigation of the effect of side-to-side head movements on proofreading from hard copy to VDT. Subjects proofread by visually comparing two lines of alphanumeric code, which simulated original and keyed-in (processed) data, in two display configurations. Speed and accuracy were degraded in the successive (side-to-side) condition, relative to performance with a simultaneous (head-on) VDT display. Subjects' ratings of mental workload mirrored these findings, with workload rated higher in the successive condition. The results are congruent with a taxonomy of sustained attention tasks developed by Davies and Parasuraman (1982), which emphasizes a distinction between tasks requiring working memory and those that do not. Additional implications of the present results for a ...
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