What skill is primarily tested in the Symbol Search subtest?

The Symbol Search subtest of the WISC-V primarily tests visual processing speed. This subtest requires children to quickly identify and mark symbols that match a target symbol within a specified time frame. The emphasis is on how rapidly and accurately a child can process visual information, which reflects their ability to scan and compare visual stimuli effectively.

By focusing on the speed of processing rather than the content or complexity of the symbols themselves, this subtest assesses the efficiency of visual perception and quick decision-making. The ability to accurately recognize and respond to visual cues under time pressure is crucial in many real-world contexts, reinforcing the importance of visual processing speed in cognitive functioning.