“…First, accumulating evidence shows that data collected by means of different modes of data collection may exhibit differential scale usage (Chang & Krosnick, 2009;Dillman, et al, 2009;Duffy, Smith, Terhanian, & Bremer, 2005;Fricker, Galesic, Tourangeau, & Yan, 2005;Roster, Rogers, Albaum, & Klein, 2004;Weijters, et al, 2008). For instance, it is not very surprising that telephone respondents who interact with an interviewer and verbally respond to auditory stimuli use scale points differently than online respondents who get to see a visual response scale in front of them to which they respond by clicking the appropriate response.…”