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. According to cognitive load theory, learning is hampered when the intrinsic load (complexity of the material) and extraneous load (how the material is presented) exceed the learner's available working memory capacity. For instance, a poorly designed diagram with irrelevant labels can increase extraneous load, thereby reducing the capacity for schema construction. Conversely, well-structured materials that integrate related information can help learners allocate more resources to germane load, which directly contributes to learning. Recent studies suggest that adaptive multimedia, which tailors content presentation based on real-time learner performance, can significantly reduce extraneous load and enhance comprehension, especially for novices in complex domains.