This article re‐examines data from the Nonreading Aptitude Test Battery (NATB) and General Aptitude Test Battery (GATB) test manuals in light of some conventionally accepted psychometric considerations. The NATB standardization sample is adequate. However, the validity is open to question since the NATB demonstrates only a modest correlation with the GATB. It is recommended that caution be employed in relating NATB profiles to the Occupational Aptitude Patterns' norms. This is especially relevant since the NATB, lacking norms of its own, relies on GATB norms and its derived Occupational Aptitude Pattern (OAP