 Their work has guided the selection and interpretation of CAS tests.The Kaufman assessment battery for children or KABC by (Alan S. Kaufman, 1983
) is perhaps the first battery of commercially available tests to provide a psychometric assessment of cognitive processes.K-ABC has used several references to the early research of Das and his colleagues (Das, Kirby & Jarman, 1979) on simultaneous and successive processing, a precursor to PASS theory.