Standard Versions

The Standard versions of the complex span tasks use the traditional administration time, with 3 blocks and the standard memory set-sizes. See Unsworth, Heitz, Schrock, & Engle (2005) for more information.


Symmetry Span


Memory Task: Square Locations

Processing task: Symmetry Judgement


Operation Span


Memory Task: Letters

Processing task: Math Operations




Rotation Span


Memory Task: Arrow Direction and Size

Processing task: Mental Rotation


Reading Span


Memory Task: Words

Processing task: Sentence Judgement




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