“…These findings add to the growing body of research that having cellphones in class reduces learning and leads to lower grades (Katz & Lambert, 2016& Gingerich & Lineweaver, 2014. While prior research has documented the correlation between cellphones in class and lower course grades (Katz & Lambert, 2016), this study showed that not having cellphones in class benefits class climate, enjoyment, and respectfulness toward the instructor.…”