However, little quantitative experimentation has been done as to how a multi-device setup might affect task performance, which is the main objective of this study. Combining multiple screens and information devices has recently been studied qualitatively, in the field ( Jokela, Ojala & Olsson, 2015). Thus, coordination of multiple computing devices and screens is a strategy that may potentially improve one’s performance in an information-rich environment by focusing their attention and reducing their mental workload. That is, spreading out papers on a desk lets one’s eyes easily scan, which is a property hard to replicate on a single computer screen. Assuming each device has a different primary purpose, the additional screens may begin to approximate some of the inherent affordances of paper. Although this may seem counterintuitive, more screens and possibly more devices may help focus one’s attention rather than serve as a distraction, making multiple tasks viewable at a glance across multiple screens and devices ( Thompson, 2014). A single desktop monitor with two tablet computers (C) did not provide any advantage compared to a single desktop monitor (A).Īs having more than one computing device and/or monitors is becoming more feasible for individuals, a future trend is the of adoption of a multiscreen and multiple device approach to cope with distractions and multiple tasks. However, a dual monitor desktop with a single tablet computer (B) was the ideal computing environment for the information-rich engineering problem given to participants, supported by significantly fewer errors compared to condition C and significantly higher usability ratings compared to conditions A and C. There was no statistically significant difference in efficiency or workload when completing scenarios for the three computing environments. Three levels for the computing environment factor included one with a desktop computer with a single monitor (control, condition A) one with a desktop with dual monitors, as well as a single tablet computer (condition B) and one with a desktop with a single monitor, as well as two tablet computers (condition C). A single factor, within-subject study was conducted with 18 engineering students in a laboratory experiment. Potential benefits of multiscreen and multiple device environments were assessed using three different computing environments.
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