“…When class size is treated as a categorical value (e.g., large, medium, small), larger courses have lower SETs (Lovell & Haner, 1955;Hippensteel & Martin, 2005;Ragan & Walia, 2010). A significant negative correlation occurs when class size and SET are compared directly (Franklin et al, 1991;Ellis, Burke, Lomire, & McCormack, 2003;Burns & Ludlow, 2005;Westerlund, 2008;Chapman & Ludlow, 2010;Ragan & Walia, 2010).…”