Symmetry Span Task (SymmSpan)

FREE for use with an Inquisit Lab or Inquisit Web license.

Available Test Forms

Automated Symmetry Span Task

The Automated Symmetry Span Task.
Duration: 10 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated


Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Symmetry Span Task (SymmSpan).

Kane, M. J., Hambrick, D. Z., Tuholski, S. W., Wilhelm, O., Payne, T. W., & Engle, R. W. (2004). The generality of working memory capacity: A latent variable approach to verbal and visuospatial memory span and reasoning. Journal of Experimental Psychology: General, 133, 189-217.

Heitz, R. P. & Engle, R. W. (2007). Focusing the spotlight: Individual differences in visual attention control. Journal of Experimental Psychology: General, 136, 217 - 240.

Unsworth, N. & Engle, R.W. (2008). Speed and accuracy of accessing information in working memory: An individual differences investigation of focus switching. Journal of Experimental Psychology: Learning, Memory, and Cognition, 34, 616-630.

Barch, D. M., Berman, M. G., Engle, R. W., Jones, J. H., Jonides, J., MacDonald, A. III, Nee, D. E., Redick, T. S., Sponheim, S. R., (2009). CNTRICS final task selection: Working memory. Schizophrenia Bulletin, 35, 136-152.


Randy Engle. Georgia Tech.