NASA TLX Task Load Index Evaluation Program (workload.exe)

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Authors
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Toronto Univ, Toronto ONT (CAN) Inst for Aerospace Studies
Abstract
The NASA Task Load Index (TLX) provides a standard and widely used protocol for evaluating experimental subject's perceptions of the difficulty they experienced while performing experimental tasks. The index is defined in terms of six rating scales that decompose the difficulty subjects experienced along different psychological axes. The NASA TLX protocol as originally developed called for a paper and pencil evaluation to collect the information necessary for computation of the index. This guide describes a computerized version of the NASA TLX protocol, designed to run under the most recent versions of the Microsoft WindowsTM operating system, and augmented with several features to help organize and simplify the collection of TLX data. Three additional, optional rating scales may be selected to provide greater diagnostic assessment than that available from the original method. Data may be saved to a comma-separated variable text file for further processing.
Keywords
NASA TLX Task Load Index;Rating scales;Workload.exe;Perception (Psychology)
Report Number
DCIEM-CR-2001-112 — Contractor Report
Date of publication
01 May 2001
Number of Pages
14p
DSTKIM No
CA020819
CANDIS No
517563
Format(s):
Document Image stored on Optical Disk

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