One of the tests which is more used within the walls oy the primary school is that of the London school inspector Ballard's. Having account of the different Spanish versions and adaptations, Dr. Fernández Huerta has tried to determine not only the measurement corresponding to an actual group of primary school children but also sufficient datato reorganize and reduce the test so that its applicability and efficiency may be increased. To that end he has realized some experimental research considering the reliability of the test and the validity of each element. The coordinated study of both factors has allowed him to reduce the Ballard test to another tests of two thirds size is model. By means of some research, which he also presents, he has studied the existing correlation among numerous tests, linguistic and of general instruction, which has allowed him to feel himself optimistic as for the applicability of the Ballard test in spite of its special characteristics.

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Creative Commons Attribution-NonCommercial 4.0 International License

Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License