“…Some of these moderating factors include learners' processing resources, prior knowledge or ability, the relationship between the verbal and visual information, and the difficulty of the problem (e.g., Kalyuga, Chandler, & Sweller, 1998Kühl, Scheiter, Gerjets, & Gemballa, 2011;Sung & Mayer, 2012;van Merriënboer & Sweller, 2005).…”