... In general, instructor misbehaviors diminish student learning and negatively affect students' evaluations of instructors. Prior research has shown the negative influence that these misbehaviors may have on student perceptions of the instructor and course experience, including affective learning (Banfield, Richmond, & McCroskey, 2006;Dolin, 1995;Goodboy & Bolkan, 2009;Toale, 2001), cognitive learning (Dolin, 1995;Goodboy & Bolkan, 2009), student motivation (Goodboy & Bolkan, 2009;Zhang, 2007), participation and communication satisfaction (Goodboy & Bolkan, 2009), as well as teacher credibility (Banfield et al., 2006;Semlak & Pearson, 2008), trustworthiness (Banfield et al., 2006), and nonverbal immediacy (Kelsey,Kearney,Western Journal of Communication 177 Plax, Allen, & Ritter, 2004;Thweatt & McCroskey, 1998). In short, misbehaving instructors negatively affect the ideal classroom environment. ...