: Logic and spatial skills involving replicating a 2D pattern using 3D red-and-white blocks.
✔ Most widely researched and validated adult IQ test globally. ✔ Excellent standardization sample (N=2,200, stratified by age, sex, race/ethnicity, education, region). ✔ Four-index structure aids differential diagnosis (e.g., discrepant WMI/PSI may suggest ADHD). ✔ High clinical relevance in disability evaluations, forensic settings, and school admissions (gifted programs). ✔ Updated norms reduce Flynn effect issues. Test Wais Iv
: Identifying cognitive decline, tracking traumatic brain injury (TBI) recovery, or diagnosing neurodegenerative conditions like Alzheimer's disease. : Logic and spatial skills involving replicating a