“…Using videos to assess teacher behavior and identify rehearsal frames and instructional targets has been well-documented and can provide more information about the development of expertise (Bergee, 2005;Bonds, 2015;Cavitt, 2003;Derby, 2001;Goolsby, 1997Goolsby, , 1999Orman, 2002;Patterson, 2009;Taylor, 2006;Worthy, 2005;Worthy & Thompson, 2009). Utilizing video as a main source of analysis for measurement from a longitudinal perspective are currently lacking in extant literature.…”