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Created page with "== Introduction == Cognitive Load Theory (CLT) is a theory in educational psychology that refers to the total amount of mental effort being used in the working memory. The theory was developed by John Sweller in the late 1980s. It is based on several aspects of memory research, including the distinction between long-term and short-term memory. Image:Detail-38003.jpg|thumb|center|A close-up image of a human brain with highlighted areas indicating ac..."