A theory developed by John Sweller proposing that learning is optimized when instructional design accounts for the limited capacity of working memory. Cognitive load theory distinguishes between intrinsic load (inherent complexity), extraneous load (poor design), and germane load (productive learning effort).
Cognitive Load Theory (CLT), developed by educational psychologist John Sweller in the 1980s, provides a framework for understanding how the brain processes and stores information during learning. The theory is grounded in the well-established finding that working memory has limited capacity — it can hold and process only a small number of information elements at any given time, while long-term memory has virtually unlimited capacity.
CLT distinguishes three types of cognitive load. Intrinsic load is determined by the inherent complexity of the material being learned and the learner's prior knowledge. Extraneous load is caused by poor instructional design that forces unnecessary mental processing. Germane load refers to the mental effort dedicated to constructing and automating schemas (organized knowledge structures) in long-term memory. Effective instruction minimizes extraneous load, manages intrinsic load, and maximizes germane load.
In wellness applications, cognitive load theory informs how wellness tools, programs, and content are designed. Overwhelming users with too much information or too many choices increases extraneous load and reduces engagement and learning. Effective wellness app design presents information in manageable chunks, uses progressive disclosure, reduces unnecessary complexity, and builds on existing knowledge — principles directly derived from cognitive load theory.
Cognitive load theory, developed by John Sweller, proposes that learning is optimized when instruction accounts for the limited capacity of working memory. It distinguishes between intrinsic load (complexity), extraneous load (poor design), and germane load (productive learning effort).
Wellness apps that overwhelm users with too much information create high extraneous cognitive load, reducing engagement and learning. Effective design presents information in manageable chunks, uses progressive disclosure, and builds on existing knowledge.
Intrinsic load comes from the inherent complexity of the material. Extraneous load comes from poor instructional design that wastes mental resources. Germane load is the productive mental effort spent building lasting understanding. Good design minimizes extraneous load to free resources for germane processing.
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