APA Dictionary of Psychology

a test battery that evaluates numerous aspects of language—spontaneous speech, comprehension, repetition, naming, and so on—and is used to determine the severity and type of a language disturbance as well as to assess such skills as writing, reading, and calculation. The current version, Western Aphasia Battery–Revised (WAB–R), was published in 2006. [developed by Canadian neurologist Andrew Kertesz (1935–  )]