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 Sweller's cognitive load theory, learning is hindered when the intrinsic load (complexity of the material) and extraneous load (manner of presentation) exceed the learner's available working memory capacity. However, recent studies suggest that a certain level of desirable difficulty, such as interleaving practice or introducing occasional distractions, can enhance long-term retention by promoting deeper processing. This paradox implies that not all cognitive load is detrimental; rather, the type and timing of load matter significantly. For instance, while a poorly designed lecture may overwhelm novices, the same content presented with spaced retrieval exercises can facilitate schema construction and automation, leading to more robust learning outcomes.
❓ Theo đoạn văn, hàm ý chính của nghiên cứu về tải nhận thức là gì?
A. A. Tất cả tải nhận thức nên được giảm thiểu để cải thiện việc học.
B. B. Tải trọng nội tại luôn có hại hơn tải trọng bên ngoài.
C. C. Một số loại tải nhận thức nhất định có thể có lợi cho trí nhớ dài hạn.
D. D. Sự phân tâm trong tài liệu học tập luôn tăng cường khả năng ghi nhớ.
✅ 正确答案
C. Certain types of cognitive load can be beneficial for long-term memory.
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