What standardized measure is commonly used to assess processing speed?

The Woodcock-Johnson Tests of Cognitive Abilities, specifically the WJ-III, include measures that assess various cognitive skills, one of which is processing speed. Processing speed is critical for understanding how quickly an individual can complete simple cognitive tasks, and the WJ-III offers specific subtests designed to evaluate this ability.

In contrast, other assessments such as the Stanford Binet, WAIS, and WISC may incorporate measures of processing speed within broader cognitive assessments, but they do not specifically emphasize processing speed as prominently as the WJ-III does. The WISC, for instance, is designed for children and includes a broader range of cognitive skills alongside processing speed but is not solely focused on that measure. The WAIS, which is an intelligence test for adults, does include a processing speed index, but similarly, it assesses a variety of specific cognitive domains. The Stanford Binet primarily assesses overall cognitive abilities rather than focusing specifically on processing speed.

In conclusion, the WJ-III is recognized for its comprehensive evaluation of processing speed, making it the most appropriate choice for specifically assessing this cognitive skill among the options presented.