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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing all 4 results
A Tutorial on Centering in Cross-Sectional Two-Level Models
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Myers, Nicholas D.; Brincks, Ahnalee M.; Beauchamp, Mark R. – Measurement in Physical Education and Exercise Science, 2010
The primary purpose of this tutorial is to succinctly review some options for, and consequences of, centering Level 1 predictors in commonly applied cross-sectional two-level models. It is geared toward both practitioners and researchers. A general understanding of multilevel modeling is necessary prior to understanding the subtleties of centering…
Descriptors: Models, Statistical Analysis, Predictor Variables, Athletes
Regressing Team Performance on Collective Efficacy: Considerations of Temporal Proximity and Concordance
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Myers, Nicholas D.; Paiement, Craig A.; Feltz, Deborah L. – Measurement in Physical Education and Exercise Science, 2007
The purpose of this study was to determine to what degree collective efficacy judgments based on summative team performance capabilities exhibited different levels of prediction for three additive intervals of team performance in women's ice hockey. Collective efficacy beliefs of 12 teams were assessed prior to Friday's game and Saturday's game…
Descriptors: Proximity, Team Sports, Intervals, Teamwork
Identifying Differential Item Functioning of Rating Scale Items with the Rasch Model: An Introduction and an Application
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Myers, Nicholas D.; Wolfe, Edward W.; Feltz, Deborah L.; Penfield, Randall D. – Measurement in Physical Education and Exercise Science, 2006
This study (a) provided a conceptual introduction to differential item functioning (DIF), (b) introduced the multifaceted Rasch rating scale model (MRSM) and an associated statistical procedure for identifying DIF in rating scale items, and (c) applied this procedure to previously collected data from American coaches who responded to the coaching…
Descriptors: Test Bias, Rating Scales, Personality, Item Response Theory
An Evaluation of the Psychometric Properties of the Coaching Efficacy Scale for Coaches from the United States of America
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Myers, Nicholas D.; Wolfe, Edward W.; Feltz, Deborah L. – Measurement in Physical Education and Exercise Science, 2005
This study extends validity evidence for the Coaching Efficacy Scale (CES; Feltz, Chase, Moritz, & Sullivan, 1999) by providing an evaluation of the psychometric properties of the instrument from previously collected data on high school and college coaches from United States. Data were fitted to a multidimensional item response theory model.…
Descriptors: Self Efficacy, Test Validity, Rating Scales, Psychometrics