The single most important thing for teachers to know: Cognitive Load Theory
Cognitive Load Theory (CLT) is the cornerstone of educational psychology and it is very important in terms of guiding the design of multimedia and teaching materials effectively. Educators need to take into account the fact that learners are constantly under high cognitive load especially in online learning environments nowadays. The cognitive structure of working memory is limited as Miller (1956) stated that our working memory can hold about seven items and process only three or four items of information simultaneously. In addition, Sweller (1993) defined CLT as a mental state in which new information exceeds learners’ working memory capacity and impedes information processing. So, how does learning a new language differ from learning other subjects? Actually, the answer to this question can be explained by referring to three types of cognitive load which I will touch them one by one in this week’s blog. As Dylan Williams, a professor emeritus of educational assessment defi...