Inter-scorer realibility of the Bender Gestalt Test ii among an independent sample
Supporting Agencies
- Institutode Investigación en Psicología
- Universidad de San Martín de Porres
Abstract
This paper examines inter-scorer agreement with regard to the new version of the Bender Visual-Motor Gestalt Test 2nd Edition (Bender-II). This new version includes significant changes in scoring and administration processes, and psychometric studies in Spanish language have not been published yet. Ours is among the first studies to analyze measurement error of Bender-II scores among an independent sample. The sample was made up of first and second grade primary school children from a private school, and 4 scorer students from a private university. We analyzed the level of inter-scorer agreement (intraclass correlation and Pearson) and internal consistency (Cronbach alpha). High coefficients were obtained for both the internal consistency (Cronbach alpha> 0.80) and for inter-scorer agreement in the total sample (ICC> 0.85) and in paired comparisons (ICC> 0.72) of the scores. Nevertheless, scorers showed less agreement on the items. Pearson correlations between scorers were > 0.85. We discuss the impact of reliability and the new Bender-II scoring method, as well as subsequent lines of research with this new instrument.
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