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 reduce extraneous cognitive load, allowing learners to focus on intrinsic load related to the core subject matter. For instance, presenting complex diagrams alongside redundant text can overwhelm students, hindering comprehension. Conversely, integrating visual and verbal information in a coherent manner can facilitate schema construction, enabling deeper processing. Recent studies have also highlighted the role of prior knowledge: experts can handle higher intrinsic load due to automated schemas, while novices benefit from simplified formats. Thus, effective instructional design must adapt to the learner's level of expertise, balancing challenge and clarity to optimize learning outcomes.