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Nicholas D. Myers, Deborah L. Feltz, Félix Guillén and Lori Dithurbide

The purpose of this multistudy report was to develop, and then to provide initial validity evidence for measures derived from, the Referee Self-Efficacy Scale. Data were collected from referees (N = 1609) in the United States (n = 978) and Spain (n = 631). In Study 1 (n = 512), a single-group exploratory structural equation model provided evidence for four factors: game knowledge, decision making, pressure, and communication. In Study 2 (n = 1153), multiple-group confirmatory factor analytic models provided evidence for partial factorial invariance by country, level of competition, team gender, and sport refereed. In Study 3 (n = 456), potential sources of referee self-efficacy information combined to account for a moderate or large amount of variance in each dimension of referee self-efficacy with years of referee experience, highest level refereed, physical/mental preparation, and environmental comfort, each exerting at least two statistically significant direct effects.

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Kim Gammage, Rachel Arnold, Lori Dithurbide, Alison Ede, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

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Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

Edited by Kim Gammage

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Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

Edited by Kim Gammage

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Kim Gammage, Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

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Kim Gammage, Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

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Kim Gammage, Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

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Rachel Arnold, Nicole Bolter, Lori Dithurbide, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

Edited by Kim Gammage

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Kim Gammage, Rachel Arnold, Lori Dithurbide, Alison Ede, Karl Erickson, Blair Evans, Larkin Lamarche, Sean Locke, Eric Martin and Kathleen Wilson

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Kim Gammage, Rachel Arnold, Nicole Bolter, Angela Coppola, Thomas Curran, Lori Dithurbide, Karl Erickson, Larkin Lamarche, Sean Locke, Luc Martin and Kathleen Wilson