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NASA Task Load Index (NASATLX)

Resources and information for administering the NASA Task Load Index (NASATLX) with Inquisit.

Scripts

To see how a script runs, click "View Demo". To run it on your computer and evaluate the data, download the script and then download and install Inquisit to run it.

Selected Bibliography

Hart, S. G., & Staveland, L. E. (1988). Development of a multi-dimensional workload rating scale: Results of empirical and theoretical research. In P. A. Hancock & N. Meshkati (Eds.), Human mental workload, 139-183. Amsterdam, The Netherlands: Elsevier.

Beyers, J.C., Bittner, Jr, A. and Hills, S.G. Traditional and raw task load index (TLX) correlations: are paired comparisons necessary? Advances in Industrial Ergonomics and Safety I. London: Taylor and Francis, 1989.

Wierwille, W.W. & Eggemeier, F.T. (1993). Recommendation for mental workload measurement in a test and evaluation environment. Human Factors, 35, 263-281.

Hitt II, J.M., Kring, J.P., Daskarolis, E., Morris, C., & Mouloua, M. (1999). Assessing mental workload with subjective measures: An analytical review of the NASA-TLX index since its inception.

Links

NASA. NASA Task Load Index overview.

NASA. Paper and pencil version.