1. The process approach to neuropsychological assessment;E Kaplan;Aphasiology,1988
2. Franzen MD (1989) Reliability and Validity in Neuropsychological Assessment, Plenum Press, New York.
3. Milberg WP, Hebben NAQ, Kaplan E (2009) The Boston process approach to neuropsychological assessment. In: I. Grant and K.M. Adams (Eds) Neuropsychological Assessment and Neuropsychiatric Disorders (3rd ed). New York, Oxford University Press 42–65.
4. Investigation of the factor structure of the Wechsler Adult Intelligence Scale- fourth edition (WAIS-IV): Exploratory and higher order factor analysis;GL Canivez;Psychol Assess,2010
5. General ability, its existence and nature;B Hart;Brit J Psychol,1912