Resumen

ATHAYDE, Marcia de Lima; GIACOMONI, Claudia Hofheinz; ZANON, Cristian  y  STEIN, Lilian Milnitsky. Evidence of validity of the reading subtest of school achievement test. Psicol. teor. prat. [online]. 2014, vol.16, n.2, pp.131-140. ISSN 1516-3687.

The school achievement test is a psychopedagogical instrument for children from 1st to 6th grade, assessing broadly learning through three subtests: reading, writing and arithmetic. The goal of this study was to evaluate the psychometric properties of the reading subtest, using principal axes analysis and item response theory to evaluate the internal structure, items difficulty and discrimination. The sample consisted of data from surveys conducted in four Brazilian states (N = 1831). Results indicated that the reading subtest presents evidence of unidimensionality, more accurately assess students with low and medium skill, and discriminates students only through third grade. These results indicate that subtest presents evidence of validity, but requires refinement.

Palabras clave : reading; school achievement test; validity; item response theory; psychological assessment.

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