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Despite advances in the scientific methodology of witness testimony research, no sound measure currently exists to evaluate perceptions of testimony skills. Drawing on self-efficacy and witness preparation research, the present

Despite advances in the scientific methodology of witness testimony research, no sound measure currently exists to evaluate perceptions of testimony skills. Drawing on self-efficacy and witness preparation research, the present study describes development of the Observed Witness Efficacy Scale (OWES). Factor analyses of a mock jury sample yielded a two-factor structure (Poise and Communication Style) consistent with previous research on witness self-ratings of testimony delivery skills.

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  • 2013
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    Cramer, R.J., DeCoster, J., Neal, T.M.S., & Brodsky, S.L. (2013). The Observed Witness Efficacy Scale: A measurement of effective testimony skills. Journal of Applied Social Psychology, 43, 1691-1703. doi: 10.1111/jasp.12124

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