Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers at Stanford University found that individuals who frequently engage in multiple media streams simultaneously perform worse on tasks requiring attention and memory retention compared to those who focus on a single task. The brain, they argue, is not designed for parallel processing of complex information; rather, it rapidly switches between tasks, leading to cognitive overload and reduced efficiency. This phenomenon, termed 'attention fragmentation,' has significant implications for educational environments, where students often divide their attention between lectures and digital devices. The findings suggest that fostering sustained concentration may be more beneficial for learning outcomes than encouraging multitasking habits.
❓ この文章の主な主張は何ですか?
A. A) マルチタスクは学生の認知能力を向上させる。
B. B) 脳は複雑な情報を並列処理することができる。
C. C) マルチタスクは、頻繁なタスク切り替えにより効率を低下させる。
D. D) デジタル機器は教室での注意力に影響を与えない。
✅ 正确答案
C) Multitasking reduces efficiency due to rapid task-switching.
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