Factor structure of the California Verbal Learning Test in moderate and severe closed-head injury.
A factor analysis with principal components extraction and varimax rotation was performed on 19 California Verbal Learning Test age-uncorrected scores from a sample of 75 moderate and severe closed-head-injured patients. A 6-factor solution was obtained that accounted for 80% of the total variance and was similar to those reported previously. The factors were labeled General Verbal Learning, Response Discrimination, Learning Strategy, Proactive Effect, Self-monitoring, and Serial Position. Factor scores were derived and correlated with other neuropsychological measures. The General Verbal Learning factor scores were significantly correlated with those on measures of memory, complex attention, and strategy induction.
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Rehabilitation Institute of Michigan, Wayne State University School of Medicine, Detroit, USA.
D000328:Adult; D001930:Brain Injuries / Q000150:complications / Q000503:physiopathology*; D005260:Female; D006801:Humans; D007859:Learning Disabilities / Q000175:diagnosis* / Q000209:etiology; D008297:Male; D009483:Neuropsychological Tests; D015203:Reproducibility of Results; D012720:Severity of Illness Index