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 psychology, cognitive load theory suggests that learning is most effective when instructional materials are designed to minimize extraneous cognitive load, thereby freeing resources for intrinsic and germane loads. Intrinsic load is inherent to the complexity of the subject matter, while germane load is the effort devoted to constructing and automating schemas. Researchers argue that poorly designed presentations, such as split-attention effects where learners must integrate spatially separated information, increase extraneous load and hinder comprehension. However, recent studies indicate that some forms of desirable difficulties, like interleaving practice, may temporarily increase cognitive load yet improve long-term retention. This nuanced view challenges the simplistic assumption that all cognitive load is detrimental, suggesting that the type and timing of load matter more than its mere presence.