Figure 2 - Sample target cards and test cards used during the pre-switch phase of the DCCS (top panel).
From the following article
The Dimensional Change Card Sort (DCCS): a method of assessing executive function in children
Philip David Zelazo
Nature Protocols 1, 297 - 301 (2006)
doi:10.1038/nprot.2006.46
The bottom panel shows the target cards and test cards used during the post-switch phase for several versions of the DCCS (based on the assumption that color is the initial, pre-switch dimension).