The concept of 'cognitive load' refers to the amount of mental effort required to process information. In educational psychology, cognitive load theory (CLT) suggests that learning is most effective when instructional materials are designed to minimize extraneous load, which is the unnecessary mental effort caused by poor presentation. However, recent studies have challenged the universality of CLT, arguing that its predictions may not hold across all learner populations. For instance, novice learners often benefit from worked examples, while experts may experience a 'reversal effect,' where such scaffolding hinders performance. This has led to a more nuanced view, emphasizing the interaction between instructional design and prior knowledge. Consequently, educators are encouraged to adapt their methods based on learners' expertise, rather than applying a one-size-fits-all approach.
❓ Según el pasaje, ¿cuál es la principal implicación del "efecto de reversión" para el diseño instruccional?
A. Los ejemplos resueltos siempre son beneficiosos para todos los estudiantes.
B. Los métodos de instrucción deben adaptarse al nivel de experiencia de los aprendices.
C. La teoría de la carga cognitiva ya no es relevante en la educación.
D. Los expertos requieren más andamiaje que los novatos para aprender eficazmente.
✅ 正确答案
Instructional methods should be tailored to the learners' level of expertise.
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