The concept of 'cognitive load' refers to the total amount of mental effort being used in the working memory. In educational contexts, instructional design aims to manage this 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 (how the material is presented) exceed the learner's capacity. However, germane load, which involves processes that contribute to learning, such as schema construction, should be encouraged. Recent research suggests that multimedia presentations can reduce extraneous load by integrating visual and auditory information, but only if they avoid redundancy. Conversely, poorly designed materials can inadvertently increase cognitive load, leading to decreased comprehension. Thus, understanding these distinctions is crucial for educators designing effective learning environments.
❓ According to the passage, what is the primary factor that can hinder learning?
A. A) The use of multimedia presentations in classrooms
B. B) The combined effect of intrinsic and extraneous load exceeding capacity
C. C) The lack of schema construction in educational materials
D. D) The overemphasis on germane load during instruction
✅ 正确答案
B) The combined effect of intrinsic and extraneous load exceeding capacity
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