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TOLDX™ 2nd Edition
Tower of LondonDX 2nd Edition

William C. Culbertson, Psy.D.
Eric A. Zillmer, Psy.D.

Technical Information

The normative sample for the TOLDDX 2nd Edition included approximately 1,000 individuals between the ages of 7 and 80 from across North America. A clinical sample of children with ADHD was also included.
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For more information on the TOL DX 2nd Editon click here.Back to the top


William C. Culbertson, Ph.D. & Eric A. Zillmer, Psy.D.

Age Range 7 years and older

Administration Time 10–15 minutes

Administration Type Individual-completed

Qualification Level C

  • Handscored


Conners CPT 3