Concurrent Validity of the Luria-Nebraska Neuropsychological Battery

Since LNNB is a comprehensive battery, there is a need of shorter form of screening tool to identify probable cases with neuropsychological deficit. The present study was conducted to assess the concurrent validity of a new screening tests consisting of 22 items for literate and of 15 items for illiterate population drawn from LNNB-I (Jahan et al., 2005) with the Screening Test for the Luria-Nebraska Neuropsychological Batter: Adult form From LNNB- II (Golden, 1987). Thirty patients with schizophrenia diagnosed according to ICD-10 criteria and thirty normal participants matched in age and gender were taken for the study. Participants were individually assessed on the Screening Test for the Luria-Nebraska Neuropsychological Batter: Adult form and 22-items (15-items) screening tests to examine the status of neuropsychological functions. A perfect positive correlation was found among the scores on the Screening Test for the Luria-Nebraska Neuropsychological Battery Adult form and 22-items (15-items) screening tests derived from LNNB-I for the normal participants. Significant positive correlations were also observed between the screening tools for the patient and the total sample suggesting fair concurrent validity of 22-items and 15-items screening tests from LNNB-I.