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Proficiency

/prəˈfɪʃənsi/noun
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Proficiency refers to a strong level of skill or expertise in a specific area, enabling effective and reliable performance. In modern contexts, it's often quantified through tests or certifications, highlighting not just knowledge but the practical ability to apply it in real-world scenarios.

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The concept of proficiency testing in languages, like the CEFR framework established in 2001, has influenced over 100 countries and is used by millions annually, but it also inspired similar systems in fields like IT certifications, such as Cisco's, which have certified over 2 million professionals worldwide.

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