雅思阅读

📖 Reading Passage

The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational settings, instructional designers often aim to manage cognitive load to optimize learning outcomes. According to Sweller's cognitive load theory, there are three types: intrinsic, extraneous, and germane. Intrinsic load is inherent to the complexity of the material itself, 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 schema construction. Research suggests that reducing extraneous load, for instance by simplifying diagrams or eliminating irrelevant text, can free up working memory resources for germane processing. However, some studies caution that over-simplification might hinder the development of robust mental models, especially in complex problem-solving tasks. Thus, striking a balance between minimal guidance and sufficient challenge remains a key pedagogical concern.