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 design aims to manage this load to optimize learning. According to cognitive load theory, learning is hindered when the intrinsic complexity of the material, combined with the way it is presented, exceeds the learner's available working memory capacity. However, extraneous cognitive load, which is caused by poor instructional formats, can be reduced through better design, freeing resources for the essential learning processes. Recent studies suggest that incorporating elements of learner control, such as allowing students to pace their own instruction, can further mitigate overload. Yet, this benefit is not universal; it appears to depend on the learner's prior knowledge and self-regulation skills. Therefore, while reducing extraneous load is generally beneficial, the effectiveness of learner control is conditional, highlighting the need for adaptive instructional approaches.