WAIS-III WIAT-II Canadian software not receiving Ability Achievment Discrepancy score

Frequently Asked Question:

WAIS-III WIAT-II Canadian software not receiving Ability Achievment Discrepancy score

Resolution:

The WIAT-II Canada manual does not include AAD norms for Canada.  Instead, it refers to the US Manual.  See WIAT-II Canada Manual pages 331 to 335 for tables H, I, J (Predicted and Simple AAD tables) which say “Refer to the U.S. WIAT-II Scoring and Normative Supplement for Grades PreK-12 for these tables”.

When switched to US norms drop-down, you are getting a report based on US norms for all 3 components of the report (WAIS, WIAT, and AAD).  So even if the WIAT-II US product was installed, you still could not get a WAIS-III Canada, WIAT-II Canada and a AAD US report regardless of age/grade combination used.