Cognitive load theory focuses on the amount of mental effort (or load) a person experiences while processing information. It also considers how this load affects learning and retention. This model focuses on three types of memory: sensory memory, working memory (or short-term memory), and long-term memory. Cognitive load, divided into extraneous, intrinsic, and germane loads, illuminates the challenges learners face in managing mental effort during learning. Instructional designers play...