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 unnecessary cognitive load, thereby freeing resources for schema acquisition and automation. Intrinsic load is inherent to the complexity of the material itself, while extraneous load is generated by the way information is presented. For instance, a poorly designed diagram may increase extraneous load, hindering comprehension. Conversely, well-structured examples can reduce extraneous load and promote deeper learning. Recent studies indicate that adaptive learning systems, which adjust task difficulty based on learner performance, can optimize cognitive load by maintaining an appropriate challenge level. However, researchers caution that excessive simplification may lead to reduced engagement, as learners require some level of difficulty to remain motivated. Thus, balancing cognitive load is crucial for effective instructional design.