Design and validation of an observation instrument to assess decision making in the block action of volleyball
Abstract
The main aim of study was to design and validate an observational instrument to measure decision-making in the block action of volleyball players in formative stages. The instrument is an adaptation of the GPAI (Oslin, Mitchell, & Griffin, 1998) in which were included the criteria for evaluating decision-making (appropriate or inappropriate) in the action of block. Initially, in the design process, a literature review was conducted to establish the criteria for the observation. Content validity was established on a qualitative level (understanding, reading and relevance of the questions) and quantitative level (global rating scale from 0 to 10), through the agreement and consensus of thirteen experts judges. All items of the final instrument had a rating above .67 in the Aiken`s V coefficient. The instrument developed in this study has content validity to evaluate the decision-making in the block action in volleyball training stages.
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The works and papers that are published in this Journal are subject to the following terms:
1. The Publication Service of the University of Murcia (the publisher) has the Publication Rights (Copyright) to the published papers and works, and favors and permits the reusing of the same under the license indicated in point 2.
© Servicio de Publicaciones, Universidad de Murcia, 2013
2. The papers and works are to be published in the digital edition of the Journal under the license Creative Commons Reconocimiento-No Comercial-Sin Obra Derivada 3.0 España (legal text). The copying, using, spreading, transmitting and publicly displaying of the papers, works or publication are permitted as long as: i) the authors and original sources (Journal, publisher and URL of the publication) are quoted; ii) it is not used for commercial benefit; iii) the existence and specifications of this users license are mentioned.
3. Conditions of Self-Archiving. It is permitted and encouraged that the authors spread electronically the pre-print (before printing) and/or post-print (the revised, evaluated and accepted) versions of their papers or works before their publication since this favors their circulation and early diffusion and therefore can help increase their citation and quotation, and also there reach through the academic community.
