The primary reason that the range for average was changed for WIAT-III was to align with other tests of achievement. These kinds of tests typically use one SD from the mean as the definition of average which incorporates around 68% of the normal curve. Ability tests, on the other hand, typically use the standard score range of 90-110 which incorporates...

Grade-based norms are not available for examinees above the age of 19:11. When running a Clinician Report, norms data is selected automatically and set to Age if the examinee age is greater than 19:11. If the examinee is between the ages of 4:00 to 19:11, then the option to select Grade or Age Based Norms data is available for selection.

If the Assessment Group tab is not functioning, this means that the installation of the product was not fully completed. There are two steps to this process. Install PsychCorpCenter-II Platform Install the WIAT-III Scoring Assistant Please insert your CD and complete the installation.

Version 1.0.0 of the WIAT-III Scoring Assistant was released to accommodate ages 4:00 - 19:11 years of age. WIAT-III Adult Norms is available now, with an expanded age range of 20:00 - 50:11. This is a free update for users whom already own the kit and are using the WIAT-III Scoring Assistant. It will be an automatic download to the software...