Pearson D-KEFS Design Fluency Test Response Booklets

The Pearson Delis-Kaplan Executive Function System (D-KEFS) is the first nationally standardized (US norms) set of tests to evaluate higher level cognitive functions in both children and adults. The Design Fluency booklet measures multiple aspects of visual behavioral productivity and cognitive flexibility. It evaluates visual productivity with and without distracting stimuli, and switching between stimuli.