Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers such as Ophir and colleagues (2009) found that individuals who frequently engage in multiple media streams simultaneously perform worse on tasks requiring focused attention and memory retention. This phenomenon, termed 'media multitasking,' appears to impair the brain's ability to filter irrelevant information, leading to increased cognitive load and reduced efficiency. Furthermore, neural imaging studies suggest that chronic multitaskers exhibit altered activity in the prefrontal cortex, a region associated with executive control. While some argue that multitasking is a necessary skill in modern workplaces, empirical evidence indicates that task-switching incurs a 'switching cost,' resulting in slower performance and more errors. Consequently, experts recommend 'single-tasking' as a more effective strategy for complex problem-solving, advocating for structured intervals of deep work without digital interruptions.
❓ Nghiên cứu được đề cập trong đoạn văn có phát hiện chính là gì?
A. A) Đa nhiệm giúp nâng cao năng suất trong hầu hết các môi trường làm việc.
B. B) Việc thường xuyên đa nhiệm trên phương tiện truyền thông có liên quan đến khả năng chú ý và trí nhớ kém hơn.
C. C) Vỏ não trước trán không bị ảnh hưởng bởi việc đa nhiệm mãn tính.
D. D) Việc chuyển đổi nhiệm vụ không có tác động đáng kể đến tốc độ hoặc độ chính xác.
✅ 正确答案
B) Frequent media multitasking is linked to poorer attention and memory performance.
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