Ramírez BY, Bermúdez MB, Toca E

Language: Spanish
References: 12
Page: 26-35
PDF size: 176.42 Kb.

ABSTRACT

Introduction: The diagnostic tasks system (DTS) is an educational instrument to diagnose the integral development of the preschool child and aims to characterize the acquisitions on the neurodevelopmental stage, as well as to prepare the child for a better performance in the next stage.
Objective: To determine the psychometric properties of the DTS to assess development in the preschool children.
Methods: Two samples were used to determine the psychometric properties of DTS test. The first sample was composed of 136 children aged 6 to 7 years to review their school record performance in the DTS test at 5 to 6 years. The second sample was composed with 200 children between 7-8 years to review school records in the DTS test at 5 to 6 years, and in clinical history review performance in Luria and Raven tests.
Results: Cronbach’s alpha showed values between 0.95 and 0.97. The instrument explains 79.37% of the variance (language factor: 27%, establishing relationships factor: 20%, perception factor: 16% and motor skills factor: 15%). The correlation between the STD and initial Luria were low and negative. The diagnostic agreement between STD and initial Luria test were adequate, although sensitivity was low and specificity was optimal.
Conclutions: The main strengths of STD are its reliability and its high specificity to identify the child without difficulties in development. The weakness is summarized in low capacity to identify the child with difficulties in development (sensitivity).

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