McKim, Billy R., Rebecca G. Lawver, Kellie Enns, Amy R. Smith, and Mollie S. Aschenbrener. 2013. “Developing Metrics for Effective Teaching in Extension Education: A Multi-State Factor-Analytic and Psychometric Analysis of Effective Teaching”. Journal of Agricultural Education 54 (2):143-58. https://doi.org/10.5032/jae.2013.02143.