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 extraneous cognitive load, allowing learners to focus on the intrinsic load necessary for understanding the subject. For instance, when presenting complex diagrams, separating related text and visuals can reduce split-attention effects, thereby freeing mental resources for deeper processing. However, researchers caution that reducing cognitive load is not always beneficial; some desirable difficulties, such as interleaving practice, may increase load in the short term but enhance long-term retention and transfer. Thus, the optimal level of cognitive load depends on the learner's expertise and the nature of the task, making it a dynamic rather than static target in pedagogical design.
❓ 文章によると、認知負荷理論を指導設計に適用する際の重要な考慮点は何ですか？
A. 常に認知負荷を最小限に抑え、学習効果を高めること。
B. 学習教材から難しい要素をすべて排除する。
C. 余計な負荷の軽減と、望ましい困難の潜在的な利点とのバランスを取る。
D. 全ての学習者に対して、内発的認知負荷のみを増加させることに専念せよ。
✅ 正确答案
Balance the reduction of extraneous load with the potential benefits of desirable difficulties.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first