Dual-task performance as a measure of mental effort in searching a library system and the Web

@inproceedings{Kim2005DualtaskPA,
  title={Dual-task performance as a measure of mental effort in searching a library system and the Web},
  author={Yong-Mi Kim and Soo Young Rieh},
  booktitle={ASIST},
  year={2005}
}
This paper examines a dual-task method for the assessment of mental effort during online searching, having the users engage in two tasks simultaneously. Searching was assigned as a primary task and a visual observation was set up as a secondary task. The study participants were asked to perform two searches, one on the Web and the other in a webbased library system. Perceived search difficulty and mental effort for searching on the two types of systems were compared through participant self… CONTINUE READING
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