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 devote their full mental capacity to intrinsic and germane loads. Intrinsic load is inherent to the complexity of the material itself, while germane load involves the processes of schema construction and automation. Researchers argue that poorly designed multimedia presentations, which split attention between related sources of information, unnecessarily increase extraneous load, thereby hindering deep understanding. Conversely, well-structured materials that integrate text and visuals can reduce this unnecessary burden, facilitating more efficient learning. Thus, the theory has profound implications for curriculum design and the development of digital learning tools, emphasizing the need to align instructional methods with human cognitive architecture.
❓ 根据文章所述,设计不佳的多媒体演示阻碍学习的主要原因是什么?
A. A. 它们通过使材料更加复杂,增加了内在认知负荷。
B. B. 它们通过阻止图式构建来减少相关认知负荷。
C. C. 它们通过在相关来源之间分散注意力,增加了无关的认知负荷。
D. D. 他们通过过多的相关认知负荷使工作记忆超载。
✅ 正确答案
C. They add extraneous cognitive load by splitting attention between related sources.