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. 2008 Jul 15;34(5):848–855. doi: 10.1093/schbul/sbn078

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© 2008 The Authors

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Attrition at Each Stage of the Intradimensional-Extradimensional Test. SD, simple discrimination; SR, simple reversal; CD1, compound discrimination 1; CD2, compound discrimination 2; CDR, compound discrimination reversal; IDS, intradimensional shift; IDR, intradimensional reversal; EDS, extradimensional shift; EDR, extradimensional reversal. Asterisk indicates group difference P< .01.