Stability of performance on the Hopkins Verbal Learning Test (HVLT) was assessed in 45 healthy elderly subjects over a 9-month period. Stability coefficients were moderate but statistically significant for total recall (r = 0.50), true-positive recognitio

The 1992 revision of the Ethics Code of the American Psychological Association is more detailed than its predecessor. Sections with direct relevance to neuropsychological assessment practice are discussed. Commentary and specific recommendations are provided regarding the issues of avoiding harm to the patient, competence of the practitioner, test validity, test interpretation, maintenance of records, use and supervision of nondoctoral personnel, forensic activities, release of raw data, documentation of results, multiple relationships, and fees. Clinicians are urged to adhere to the Ethics Code rather than to a personal standard of professional behavior