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 burden. This is often achieved by reducing extraneous load, which is the load imposed by the way information is presented, rather than by the complexity of the content itself. For instance, a poorly designed diagram that requires the learner to search for corresponding labels can increase extraneous load, thereby hindering comprehension. Conversely, integrated formats that combine text and visuals spatially can facilitate learning by reducing split-attention effects. However, intrinsic load, which is inherent to the difficulty of the subject matter, cannot be altered by instructional design. Therefore, effective teaching strategies must balance these types of load to optimize learning outcomes.