APA Dictionary of Psychology

a model of intelligence based on the theory of Alexander Luria, according to which intelligence comprises separate abilities for simultaneous and successive processing. The four elements of the model are planning, attention, simultaneous processing, and successive processing. [developed by Canadian psychologist Jagannath Prasad (J.P.) Das (1931–  ) and U.S. psychologist Jack A. Naglieri (1950–  )]