Detecting short periods of elevated workload. A compari­son of nine workload assessment techniques

Willem B. Verwey, Hans A. Veltman

Research output: Contribution to journalArticleAcademic

134 Citations (Scopus)
50 Downloads (Pure)

Abstract

The present experiment tested the merits of 9 common workload assessment techniques with relatively short periods of workload in a car-driving task. Twelve participants drove an instrumented car and performed a visually loading task and a mentally loading task for 10, 30, and 60 s. The results show that 10-s periods of visual and mental workload can be measured successfully with subjective ratings and secondary task performance. With respect to longer loading periods (30 and 60 s), steering frequency was found to be sensitive to visual workload, and skin conductance response (SCR) was sensitive to mental workload. The results lead to preliminary guidelines that will help applied researchers to determine which techniques are best suited for assessing visual and mental workload.
Original languageEnglish
Pages (from-to)270-285
JournalJournal of Experimental Psychology. Applied
Volume2
Issue number3
DOIs
Publication statusPublished - 1996
Externally publishedYes

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