雅思阅读

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The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational psychology, cognitive load theory suggests that learning is most effective when instructional materials are designed to minimize extraneous cognitive load, allowing learners to focus on intrinsic and germane loads. Intrinsic load is inherent to the complexity of the subject matter, while extraneous load is generated by the way information is presented. Germane load, on the other hand, is the effort devoted to processing and understanding the material, which contributes to learning. Researchers have argued that poorly designed instruction, such as redundant text alongside diagrams, can increase extraneous load, thereby hindering comprehension. Conversely, well-structured materials that integrate visuals with concise text can reduce unnecessary mental effort, enhancing the learner's ability to construct schemas and transfer knowledge to new contexts.