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Item analysis of human figure drawings test: aplication of IRT

The Human Figure Drawings is one of the most divulged and used instruments in the practice of psychological evaluation of children in Brazil. Recently, Wechsler (2000, 2003) published a new correction system to cognitive evaluation. This work constitutes the first attempt of psychometric analysis of items related to male figure using mathematic models from Item Response Theory (IRT). The analysis of the results obtained in two samples of children (711 from the city of Campo Grande and 564 from the city of Belo Horizonte) with the Male Drawing points that the internal consistency of the instrument is adequate (.87) when 53 items are considered. Nevertheless, the IRT analysis, polytomous item responses, shows problems of difficulty and discrimination of a group of items. It's inferred that the instrument is not well calibrated and consequently there is a necessity of adjustments on the set of items that compound it.

human figure drawing; IRT; items analysis


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