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This article proposes a new test (called the EQEBI) for the measurement of epistemological beliefs, integrating and extending the Epistemological Questionnaire (EQ) and the Epistemic Beliefs Inventory (EBI). In Study 1, the two tests were translated and applied to a Spanish-speaking sample. A detailed dimensionality exploration, by means of the monotone homogeneity model and confirmatory factor analysis, provides unexpected dimensionality results. Therefore, a new test is proposed, and the dimensionality and psychometric properties of the test's scores are determined. The new test retains four of the five original dimensions. The EQEBI has 27 items, and its score reliability is higher than that of the original EQ and EBI. In Study 2, the EQEBI was applied to another sample to verify the psychometric properties of the obtained scores. The expected four unidimensional scales are confirmed. The scales are calibrated with the graded response model. Recommendations are offered for using the scales for epistemological beliefs assessment. [ABSTRACT FROM AUTHOR]

Investigates a self-adapted English vocabulary test in a Spanish high school population for psychological measurement. Item pool description; Descriptive statistics for the item parameter distributions; Description of a testing session; Comparison among test types.

Describes an easy to use computer program for computer-adaptive testing. Program checking through simulation; Data on the accuracy of ability estimation; Instructions on running the program.