Regression equations were developed to adjust raw scores on Luria-Nebraska
Neuropsychological Battery-Form I (LNNB-I) clinical scales for the effects
of age and education. Corrected raw scores were then used to develop perfor
mance scales for the LNNB-I on which normal individuals anchored the low en
d of the scales and increasingly impaired patients occupied higher interval
s. The resulting scales represent equal intervals of age- and education-cor
rected test impairment for each LNNB-I clinical scale and should facilitate
interpretation of LNNB-I test performances. 1999 National Academy of Neuro
psychology. Published by Elsevier Science Ltd.