PSYCHOMETRIC ANALYSIS OF <i>PERSONAL REPORT OF CONFIDENCE AS SPEAKER</i> USING ITEM RESPONSE THEORY
AbstractThe responses of 799 subjects to 30 items, of the Personal Report of Confidence as Speaker (PRCS; Paul, 1966; Bados, 1986) speech anxiety scale were analyzed in an item response framework, using polytomous models. The generalized partial credit model (Muraki, 1992) was applied. The results indicated that the items satisfy the assumptions of generalized partial credit model. Moreover, measurement precision across latent trait levels are presented. Finally, item information function in order to examine the contribution of each item on test information function are showed.
The works published in this journal are subject to the following terms:
1. The Publications Service of the University of Murcia (the publisher) retains the property rights (copyright) of published works, and encourages and enables the reuse of the same under the license specified in paragraph 2.
2. The works are published in the online edition of the journal under a Creative Commons Reconocimiento-CompartirIgual 4.0 (legal text). You can copy, use, distribute, transmit and publicly display, provided that: i) you cite the author and the original source of publication (journal, editorial and URL of the work), ii) are not used for commercial purposes, iii ) mentions the existence and specifications of this license.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
3. Conditions of self-archiving. Is allowed and encouraged the authors to disseminate electronically pre-print versions (version before being evaluated and sent to the journal) and / or post-print (version reviewed and accepted for publication) of their works before publication, as it encourages its earliest circulation and diffusion and thus a possible increase in its citation and scope between the academic community. RoMEO Color: Green.