One of the major problems in clinical neuropsychology is to apply ecological, easily administrable and sensitive tests that can help in the diagnosis of executive functions. In the present paper we present normative values for the D-KEFS sorting test (ST), exploring the ability of reasoning, categorization abilities, problem solving, flexibility of thinking and abstraction. We collected normative data in a group of 181 normal Italian subjects aged between 20 and 69 years old, matched for educational level. Multiple regression analysis was performed to evaluate the potential effects of age, sex and education. Age and education had a significant effect on ST performance. Our study provided normative data for the D-KEFS ST for the adult Italian population, corrections of raw scores for relevant demographic factors, and percentile grids for both baseline data and on re-testing after 9 months of follow-up. These normative Italian values support the use of the D-KEFS ST as a valid instrument for initial neuropsychological evaluation and longitudinal analysis of executive functions in clinical practice and for research purposes.
Assessing executive function with the D-KEFS sorting test: normative data for a sample of the Italian adult population
Scarpazza C.;
2014
Abstract
One of the major problems in clinical neuropsychology is to apply ecological, easily administrable and sensitive tests that can help in the diagnosis of executive functions. In the present paper we present normative values for the D-KEFS sorting test (ST), exploring the ability of reasoning, categorization abilities, problem solving, flexibility of thinking and abstraction. We collected normative data in a group of 181 normal Italian subjects aged between 20 and 69 years old, matched for educational level. Multiple regression analysis was performed to evaluate the potential effects of age, sex and education. Age and education had a significant effect on ST performance. Our study provided normative data for the D-KEFS ST for the adult Italian population, corrections of raw scores for relevant demographic factors, and percentile grids for both baseline data and on re-testing after 9 months of follow-up. These normative Italian values support the use of the D-KEFS ST as a valid instrument for initial neuropsychological evaluation and longitudinal analysis of executive functions in clinical practice and for research purposes.
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