Symmetry Span
Visuospatial complex-span task. Interleave symmetry judgments on geometric patterns with location-memory probes; the processing load constrains storage. Together with operation-span and reading-span forms the canonical 'Engle' complex-span trio used to estimate WM capacity as a latent factor.
- Memory
Indexed implementations 1
Metadata only — each row links to the authors' own page. A date in the last column is the last time an automated check confirmed the link loads; it is not a review of the task.
| Implementation | Source | Languages | Link checked |
|---|---|---|---|
| Symmetry Span Task · Pavlovia | Pavlovia | English | 2026-05-07 |
Key references
- 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(2), 189–217. doi:10.1037/0096-3445.133.2.189
- Unsworth, N., Redick, T. S., Heitz, R. P., Broadway, J. M., & Engle, R. W. (2009). Complex working memory span tasks and higher-order cognition: A latent-variable analysis of the relationship between processing and storage. Memory, 17(6), 635–654. doi:10.1080/09658210902998047