雅思阅读

📖 Reading Passage

The concept of 'cognitive load' refers to the amount of mental effort required to process information. In educational psychology, cognitive load theory posits that learning is most effective when instructional materials are designed to minimize unnecessary cognitive demands. This is achieved by reducing extraneous load, which arises from poorly structured information, while optimizing intrinsic load, which is inherent to the complexity of the subject matter. Recent studies suggest that multimedia presentations can inadvertently increase extraneous load if they include irrelevant visuals or redundant text. However, when carefully curated, such presentations can enhance schema construction, enabling learners to integrate new knowledge with prior understanding. This balance is crucial, as overload can impede working memory and hinder long-term retention. Consequently, educators are encouraged to adopt strategies that streamline content delivery, such as segmenting complex tasks and using signaling cues to highlight key points.