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정답률

A2 noun #8,000 most common 8 min read

정답률

jeongdapryul Top 8,000

Practice it Examples Notes & Tips 정답률 in 30 Seconds

Explanation 정답률 in your Level:

At the A1 level, you don't need to worry about complex statistics, but you can understand '정답률' as a way to talk about your test scores. Think of it as 'how many I got right.' In simple Korean, you might say 'I got many right' (많이 맞았어요). '정답률' is just a more formal way to say that. You will see this word in your Korean workbooks. When you finish a page, look for a small box that might say '정답률' with a percentage. If you see 100%, it means you are a genius! At this level, just remember that '정답' is 'right answer' and '률' is 'rate.' So, 'right answer rate.' You can use it when talking to your teacher about your homework. For example, 'Teacher, my 정답률 is high!' It's a great word to show you are serious about your studies.

At the A2 level, you can start using '정답률' in simple sentences with adjectives like 'high' (높다) and 'low' (낮다). You might be preparing for the TOPIK I exam, and you want to track your progress. You can say, 'My correct answer rate for the listening part is low' (듣기 정답률이 낮아요). This helps you identify what you need to study more. You will also notice this word in online Korean learning apps. They often show a graph of your '정답률' over time. This is a good time to learn the spelling rule: it is '정답률' (ryul), not '정답율' (yul). Why? Because the word '답' ends in a consonant. Learning this small rule now will make you look very smart later! Try to use this word when you talk about your hobbies too, like if you play a quiz game with friends.

For B1 learners, '정답률' becomes a useful tool for academic and professional discussion. You should be able to describe trends using verbs like 'increase' (증가하다/올라가다) and 'decrease' (감소하다/떨어지다). You might say, 'After studying for a month, my correct answer rate increased significantly.' In a business context, if you are doing a survey, you can use '정답률' to talk about how many people chose the 'correct' or 'intended' option in a brand awareness test. You should also be aware of the opposite word, '오답률' (error rate). Comparing these two is a common way to analyze data in Korean. At this level, you can also start using the word in more formal writing, like a short essay about your learning goals or a report on a class project.

At the B2 level, you are expected to understand '정답률' in the context of social issues, especially the Korean education system. You will hear news reports discussing the '정답률' of the CSAT (Suneung) and how it affects university admissions. You should be able to use the word in complex sentences, such as 'The correct answer rate for the 22nd question was only 3%, which caused a huge controversy among students.' You can also use it metaphorically or in technical fields like computer science or data analysis. If you are learning about AI, you will see '정답률' used to describe the accuracy of a model. You should be comfortable using various particles with it, like '-에 달하다' (to reach) or '-을 기록하다' (to record/log). This word is essential for anyone who wants to work or study in a Korean-speaking professional environment.

As a C1 learner, you should have a nuanced understanding of '정답률' and its related terms like '변별력' (discriminatory power). In educational theory, a question with a very high or very low '정답률' might lack '변별력' because it doesn't help distinguish between students of different levels. You should be able to discuss these concepts fluently. You might also encounter '정답률' in psychological studies or sociological surveys. For example, analyzing the '정답률' of a certain demographic on a general knowledge test to discuss educational inequality. Your usage should be precise, choosing between '정답률', '정확도', and '적중률' based on the subtle differences in meaning. You can use this word in high-level debates, academic papers, or professional presentations without any hesitation.

At the C2 level, '정답률' is a word you use with complete mastery, often in the context of complex statistical analysis or philosophical inquiry into the nature of 'correctness.' You might analyze the '정답률' in a linguistic study to determine the difficulty of specific grammatical structures for non-native speakers. You understand the historical and cultural weight the word carries in a society obsessed with standardized testing. You can use it in sophisticated wordplay or as part of a larger argument about meritocracy and the quantifiable nature of success in modern Korea. Whether you are reading a PhD thesis on educational metrics or a deep-dive investigative report on exam leaks, '정답률' is a fundamental concept that you navigate with the ease of a native speaker who has spent their life in the Korean system.

Practice it Examples Notes & Tips

정답률 in 30 Seconds

정답률 means 'correct answer rate' and is used to measure test performance.
It is a common term in Korean education, media, and technology sectors.
The spelling '정답률' is correct because '답' ends in a consonant.
It helps students and teachers analyze the difficulty of exam questions.

The Korean word 정답률 (Jeong-dap-ryul) is a compound noun that translates directly to 'correct answer rate' or 'accuracy rate.' In the context of the South Korean education system, which is famously rigorous and data-driven, this word carries significant weight. It is not merely a mathematical percentage; it is a metric of difficulty, a measure of student performance, and a benchmark for academic success. The word is composed of three Hanja (Sino-Korean) characters: Jeong (正 - correct/right), Dap (答 - answer), and Ryul (率 - rate/ratio). Together, they form a precise term used to describe the proportion of people who answered a specific question correctly out of the total number of respondents.

Educational Context: In schools and at hagwons (private academies), teachers analyze the 정답률 for every question on a mock exam. If a question has a 정답률 of less than 20%, it is labeled a 'killer question' (킬러 문항), meaning it was designed to distinguish the top-tier students from the rest.

이번 수학 시험의 정답률은 매우 낮았습니다. (The correct answer rate for this math exam was very low.)

Beyond the classroom, 정답률 is frequently used in the world of professional certifications, civil service exams (Gongmuwon), and even in casual settings like quiz shows or mobile gaming apps. For instance, a trivia app might show you the 정답률 for a question after you submit your answer, allowing you to see how your knowledge compares to the general public. It provides an objective look at the collective intelligence or the specific difficulty of a task.

Data Analysis: In data science and AI development, 정답률 is often used interchangeably with 'accuracy' (정확도) when evaluating model performance on a labeled dataset.

AI 모델의 정답률을 95%까지 끌어올려야 합니다. (We must raise the AI model's accuracy rate to 95%.)

Understanding this word is crucial for anyone navigating the Korean academic or professional landscape. It reflects the culture's emphasis on precision, ranking, and statistical analysis. Whether you are checking your results on a TOPIK (Test of Proficiency in Korean) practice test or reading a news report about the difficulty of the Suneung (CSAT), 정답률 will be the primary metric used to convey how well people performed.

Using 정답률 in a sentence requires an understanding of the verbs that commonly pair with it. Because it is a numerical rate, it most frequently appears with adjectives like 'high' (높다) and 'low' (낮다), or verbs indicating change such as 'increase' (오르다/높이다) and 'decrease' (떨어지다/낮추다). Below are detailed breakdowns of how to integrate this word into your Korean communication.

Describing Status: To say a rate is high or low, use the basic pattern: [Subject] + [정답률] + [이/가] + [높다/낮다].

3번 문제의 정답률이 의외로 낮네요. (The correct answer rate for question number 3 is surprisingly low.)

When you want to specify a percentage, you can use the verb 'to be' (이다) or 'to reach' (달하다). For example, 'The accuracy rate is 80%' would be '정답률이 80%입니다.' In more formal or statistical reporting, you might say '정답률이 80%에 달했습니다' (The rate reached 80%).

Expressing Action: To talk about improving your performance, use '높이다' (to raise) or '올리다' (to increase).

꾸준히 연습하면 정답률을 높일 수 있습니다. (If you practice consistently, you can raise your correct answer rate.)

In academic research or software development, you might 'analyze' (분석하다) or 'calculate' (계산하다) the rate. For example: '시스템이 자동으로 정답률을 계산합니다' (The system automatically calculates the accuracy rate). This demonstrates the word's versatility across different levels of formality and professional domains. By mastering these patterns, you can effectively discuss performance metrics in any Korean-speaking environment.

The word 정답률 is a staple of Korean daily life, particularly in environments related to testing, media, and technology. Understanding where you will encounter it will help you recognize it in context. The most common place is, without a doubt, the education sector. From elementary school students checking their math workbooks to university students preparing for the TOEIC, 정답률 is the number everyone is looking at to gauge their progress.

TV and Media: On Korean variety shows like 'Problematic Men' (문제적 남자) or quiz programs, the host often introduces a puzzle by saying its 정답률 among a specific group of people to build tension and show the difficulty level.

이 퀴즈는 멘사 회원들 사이에서도 정답률이 5% 미만이었습니다. (The correct answer rate for this quiz was less than 5% even among Mensa members.)

In news broadcasting, specifically after the national college entrance exam (Suneung), news anchors will spend significant airtime discussing the 정답률 of the 'killer questions.' They use these statistics to argue whether the exam was too hard (불수능 - 'fire Suneung') or too easy (물수능 - 'water Suneung'). This cultural obsession with exam data makes the word a household term.

Online Communities: On study forums like 'Su-man-hwi' (수만휘), students share their personal 정답률 for various practice sets to compare their standing with others and seek advice on how to improve in specific subjects.

빈칸 추론 문제의 정답률이 안 올라서 고민이에요. (I'm worried because my correct answer rate for blank-inference questions isn't going up.)

Finally, in the tech world, particularly in AI and machine learning, 정답률 is the standard term used in Korean documentation and presentations to describe the 'accuracy' of a classification model. If you attend a tech conference in Seoul, you will hear speakers discussing how they optimized their algorithms to achieve a higher 정답률 on test datasets. Its usage spans from the most casual quiz apps to the most advanced scientific research.

While 정답률 is a straightforward concept, there are several linguistic and contextual mistakes that learners often make. The most common error involves the spelling and pronunciation of the suffix '-률' vs '-율'. In Korean, the choice between these two depends on the final sound of the preceding syllable. This is a rule that even native speakers sometimes struggle with in writing, although the spoken distinction is usually natural.

The 'Ryul' vs 'Yul' Rule: Use '-율' (Yul) when the preceding syllable ends in a vowel or the consonant 'ㄴ'. Use '-률' (Ryul) in all other cases. Since '답' (Dap) ends in 'ㅂ', the correct form is 정답률. Writing '정답율' is a common orthographic mistake.

Wrong: 합격율 (Hap-gyeok-yul), Right: 합격률 (Hap-gyeok-ryul). Similarly, 정답률 is the only correct spelling.

Another common mistake is confusing 정답률 with 오답률 (O-dap-ryul). While '정답' means correct answer, '오답' means incorrect answer. Therefore, 오답률 refers to the 'error rate' or the percentage of people who got the question wrong. If a question is very difficult, it will have a low 정답률 but a high 오답률. Learners often mix these up when describing the difficulty of a test.

Overextending the Word: Learners sometimes try to use 정답률 for subjective things, like the 'accuracy' of a weather forecast. For weather, '정확도' (Jeong-hwak-do) is more appropriate. 정답률 specifically implies a 'right or wrong' binary answer, usually in a testing context.

Incorrect: 일기 예보의 정답률이 낮아요. Correct: 일기 예보의 정확도가 낮아요.

Lastly, ensure you use the correct particles. Since it's a noun describing a statistic, it's often used with the possessive particle '의' (of). For example, 'the test's correct answer rate' is '시험의 정답률.' Forgetting '의' can make the sentence sound fragmented. By paying attention to these spelling rules and logical distinctions, you can use the word as precisely as a native speaker.

To broaden your Korean vocabulary, it is helpful to look at words related to 정답률. These words often share the suffix '-률/율' (rate) or the root '정-' (correct) or '답' (answer). Understanding the nuances between these terms will help you choose the most accurate word for your specific context.

정확도 (Jeong-hwak-do): This means 'accuracy' or 'precision.' While 정답률 is a specific statistical percentage (e.g., 85%), 정확도 is a more general quality. You would use 정확도 for things like GPS coordinates, clocks, or scientific instruments where 'correctness' isn't just about a test answer.

이 번역기의 정확도는 매우 뛰어납니다. (This translator's accuracy is excellent.)

Another related term is 적중률 (Jeok-jung-ryul), which means 'hit rate' or 'prediction accuracy.' This is used when someone makes a guess or a prediction about a future event, such as a sports outcome or a stock market trend, and that prediction comes true. While 정답률 is about answering a known question, 적중률 is about the success of a forecast.

성공률 (Seong-gong-ryul): Meaning 'success rate,' this is used for tasks or missions. For example, the success rate of a surgery or a business venture. It is much broader than 정답률, which is strictly limited to 'answers' (답).

수술 성공률이 90% 이상입니다. (The surgery success rate is over 90%.)

Finally, consider 득점률 (Deuk-jeom-ryul), which is the 'scoring rate' in sports. While 정답률 measures how many questions you got right, 득점률 measures how many points you scored relative to attempts. These words all share the '-률' suffix, highlighting the importance of understanding the 'rate' concept in Korean. By categorizing these words by their specific domains (education, prediction, general quality, sports), you can communicate with much higher precision.

How Formal Is It?

Fun Fact

The suffix '-률' is one of the most common suffixes in Korean for forming statistical terms, but it changes to '-율' after 'ㄴ' or a vowel to make it easier to pronounce (the 'Law of Initial Sound' or Du-eum-beop-chik).

Pronunciation Guide

UK t͡ɕʌ̹ŋ.dap̚.ɾjuɭ

US t͡ʃʌŋ.dap̚.rul

Stress is generally even across syllables in Korean, but 'dap' (답) may feel slightly emphasized due to the final consonant.

Rhymes With

확률 (hwak-ryul - probability) 효율 (hyo-yul - efficiency) 비율 (bi-yul - ratio) 능률 (neung-ryul - efficiency) 이율 (i-yul - interest rate) 세율 (se-yul - tax rate) 배율 (bae-yul - magnification) 환율 (hwan-yul - exchange rate)

Common Errors

Pronouncing 'ryul' as 'yul' (ignoring the 'r' sound).
Not making a clear stop at the end of 'dap'.
Over-emphasizing the 'r' sound like an English 'R'.
Confusing 'jeong' (정) with 'jang' (장).
Making the 'u' in 'ryul' too long.

Difficulty Rating

Reading 2/5

Easy to recognize in charts and texts.

Writing 3/5

Must remember the 'ryul' vs 'yul' rule.

Speaking 2/5

Pronunciation is straightforward.

Listening 2/5

Commonly heard in educational contexts.

What to Learn Next

Prerequisites

정답 비율 숫자 시험 문제

Learn Next

오답률 변별력 표준점수 등급 백분위

Advanced

상관분석 회귀분석 유의수준

Grammar to Know

-률 vs -율 spelling rule

정답률 (consonant) vs 비율 (vowel)

Causative verbs (-이/히/리/기/우/구/추)

정답률을 높이다 (to make high)

Comparison particle -보다

어제보다 정답률이 높아요.

Conditional -면

공부하면 정답률이 올라가요.

Noun + -에 달하다 (reaching a number)

정답률이 90%에 달했다.

Examples by Level

정답률이 높아요.

The correct answer rate is high.

Subject + Particle -이 + Adjective 높다.

제 정답률은 80%입니다.

My correct answer rate is 80%.

Possessive 제 + Noun + Topic particle -은.

이 문제는 정답률이 낮아요.

This question has a low correct answer rate.

Demonstrative 이 + Noun + Topic particle -는.

정답률을 확인하세요.

Please check the correct answer rate.

Object particle -을 + Imperative verb 확인하세요.

정답률이 몇 퍼센트예요?

What percentage is the correct answer rate?

Interrogative 몇 + Unit 퍼센트 + Polite ending -예요?

어제보다 정답률이 올라갔어요.

The correct answer rate went up compared to yesterday.

Comparison particle -보다 + Verb 올라갔다.

수학 정답률이 낮아요.

The math correct answer rate is low.

Noun compounding: 수학 + 정답률.

친구의 정답률은 90%예요.

My friend's correct answer rate is 90%.

Possessive particle -의 + Topic particle -은.

단어 퀴즈의 정답률을 높이고 싶어요.

I want to increase the correct answer rate of the word quiz.

Object particle -을 + Causative verb 높이다 + Want to -고 싶다.

이 책은 정답률이 잘 나와요.

This book shows the correct answer rates well.

Adverb 잘 + Verb 나오다 (to come out/be shown).

정답률이 낮아서 걱정이에요.

I'm worried because the correct answer rate is low.

Reasoning suffix -아서/어서 + Noun 걱정.

듣기 시험의 정답률이 가장 높았습니다.

The correct answer rate for the listening test was the highest.

Superlative adverb 가장 + Past tense 높았습니다.

매일 연습하면 정답률이 올라갈 거예요.

If you practice every day, the correct answer rate will go up.

Conditional -면 + Future tense -ㄹ 거예요.

정답률이 50% 이하인 문제는 다시 푸세요.

Please solve the questions with a correct answer rate below 50% again.

Noun 이하 (below/under) + Modifier -인 + Imperative 푸세요.

이 앱은 정답률을 그래프로 보여줍니다.

This app shows the correct answer rate as a graph.

Instrumental particle -로 + Verb 보여주다.

정답률이 생각보다 안 높네요.

The correct answer rate isn't as high as I thought.

Comparison 생각보다 + Negation 안 + Exclamatory ending -네요.

이번 모의고사는 전체적으로 정답률이 떨어졌습니다.

Overall, the correct answer rates for this mock exam dropped.

Adverb 전체적으로 (overall) + Verb 떨어지다.

학생들의 정답률을 분석하여 보충 수업을 준비했습니다.

I prepared a supplementary class by analyzing the students' correct answer rates.

Sequential connective -하여 (analyzing and then...).

정답률이 높은 문제는 변별력이 부족할 수 있습니다.

Questions with high correct answer rates may lack discriminatory power.

Noun 변별력 (discriminatory power) + Potential -ㄹ 수 있다.

꾸준한 복습이 정답률 향상의 비결입니다.

Consistent review is the secret to improving the correct answer rate.

Noun 향상 (improvement) + Noun 비결 (secret/key).

문제의 난이도에 따라 정답률이 크게 달라집니다.

The correct answer rate varies greatly depending on the difficulty of the problem.

Pattern -에 따라 (depending on) + Adverb 크게.

정답률이 10% 미만인 문제는 '킬러 문항'이라고 불립니다.

Questions with a correct answer rate of less than 10% are called 'killer questions.'

Passive verb 불리다 (to be called) + Quotative -라고.

실수를 줄여야 정답률이 안정적으로 유지됩니다.

You must reduce mistakes for the correct answer rate to remain stable.

Must -어야 + Adverb 안정적으로 (stably) + Maintain 유지되다.

온라인 강의를 듣고 나서 정답률이 눈에 띄게 좋아졌어요.

After taking online classes, my correct answer rate has noticeably improved.

After -고 나서 + Idiom 눈에 띄게 (noticeably).

인공지능의 정답률이 인간의 수준을 넘어섰습니다.

The AI's accuracy rate has surpassed the human level.

Object 수준 (level) + Verb 넘어서다 (to surpass).

정답률 통계 자료를 바탕으로 교육 정책을 수립합니다.

Educational policies are established based on correct answer rate statistical data.

Pattern -를 바탕으로 (based on) + Verb 수립하다.

특정 문항의 정답률이 편향되어 나타나는 이유를 조사해야 합니다.

We must investigate why the correct answer rate for certain items appears biased.

Passive modifier 편향되어 (being biased) + Investigating 조사해야 한다.

수험생들은 자신의 취약한 과목의 정답률을 관리해야 합니다.

Examinees must manage the correct answer rates of their weak subjects.

Adjective 취약한 (weak/vulnerable) + Verb 관리하다 (to manage).

정답률이 급격히 하락한 원인은 문제의 오류 때문이었습니다.

The reason the correct answer rate dropped sharply was due to an error in the question.

Adverb 급격히 (sharply) + Noun 원인 (cause) + Pattern -때문이다.

이 테스트는 정답률뿐만 아니라 풀이 시간도 중요하게 평가합니다.

This test evaluates not only the correct answer rate but also the solving time importantly.

Pattern -뿐만 아니라 (not only... but also) + Adverb 중요하게.

정답률이 높다고 해서 반드시 쉬운 문제는 아닙니다.

Just because the correct answer rate is high doesn't necessarily mean it's an easy question.

Pattern -다고 해서 (just because...) + Adverb 반드시 (necessarily).

데이터가 축적될수록 정답률의 신뢰도가 높아집니다.

As data accumulates, the reliability of the correct answer rate increases.

Pattern -ㄹ수록 (the more... the more) + Noun 신뢰도 (reliability).

정답률의 분포를 통해 수험생들의 학력 격차를 확인할 수 있습니다.

Through the distribution of correct answer rates, we can confirm the academic gap among examinees.

Noun 분포 (distribution) + Noun 격차 (gap).

변별력을 확보하기 위해 의도적으로 정답률을 조절한 흔적이 보입니다.

There are traces of intentional adjustment of the correct answer rate to secure discriminatory power.

Purpose -기 위해 + Adverb 의도적으로 (intentionally).

정답률이라는 수치에만 집착하면 교육의 본질을 잃을 수 있습니다.

If we obsess only over the numerical value of the correct answer rate, we may lose the essence of education.

Pattern -라는 (called) + Noun 수치 (numerical value) + Verb 집착하다 (to obsess).

문항 반응 이론에 따르면 정답률은 피험자의 능력과 문항의 특성에 의해 결정됩니다.

According to Item Response Theory, the correct answer rate is determined by the examinee's ability and the item's characteristics.

Pattern -에 따르면 (according to) + Agentive -에 의해.

정답률이 극단적으로 낮은 문항은 출제 오류의 가능성을 시사합니다.

Items with extremely low correct answer rates suggest the possibility of an item-writing error.

Adverb 극단적으로 (extremely) + Verb 시사하다 (to suggest/imply).

단순한 정답률보다는 오답의 유형을 분석하는 것이 학습에 더 효과적입니다.

Analyzing the types of incorrect answers is more effective for learning than just the correct answer rate.

Pattern -보다는 (rather than) + Modifier -는 것.

정답률의 추이를 살펴보면 교육 과정의 성과를 가늠해 볼 수 있습니다.

By looking at the trend of correct answer rates, we can gauge the performance of the curriculum.

Noun 추이 (trend/progress) + Verb 가늠하다 (to gauge/estimate).

객관식 문항에서는 찍기 요인으로 인해 정답률이 실제 실력보다 높게 나타날 수 있습니다.

In multiple-choice items, the correct answer rate may appear higher than actual ability due to the guessing factor.

Noun 요인 (factor) + Pattern -로 인해 (due to).

정답률 산출 방식의 투명성은 국가 고시의 공정성을 담보하는 핵심 요소입니다.

Transparency in the method of calculating correct answer rates is a key element in guaranteeing the fairness of national exams.

Noun 투명성 (transparency) + Verb 담보하다 (to guarantee).

빅데이터 분석을 통해 개별 문항의 정답률과 수험생의 상관관계를 면밀히 규명하였습니다.

Through big data analysis, the correlation between individual item correct answer rates and examinees was closely identified.

Noun 상관관계 (correlation) + Adverb 면밀히 (closely/thoroughly).

정답률의 변동성은 시험의 난이도 조절 실패를 방증하는 지표로 활용되기도 합니다.

The volatility of correct answer rates is sometimes used as an indicator that corroborates a failure in adjusting exam difficulty.

Noun 변동성 (volatility) + Verb 방증하다 (to corroborate).

표준화된 시험에서 정답률은 단순한 통계를 넘어 사회적 계층 이동의 지표로 해석되곤 합니다.

In standardized tests, the correct answer rate is often interpreted as an indicator of social class mobility beyond simple statistics.

Pattern -넘어 (beyond) + Habitual -곤 하다.

알고리즘의 정답률을 극대화하기 위해 하이퍼파라미터 튜닝에 심혈을 기울였습니다.

To maximize the algorithm's accuracy rate, great effort was devoted to hyperparameter tuning.

Verb 극대화하다 (to maximize) + Idiom 심혈을 기울이다 (to devote one's heart and soul).

정답률의 수렴 속도는 학습 모델의 효율성을 판단하는 중요한 척도가 됩니다.

The convergence speed of the correct answer rate becomes an important yardstick for judging the efficiency of a learning model.

Noun 수렴 (convergence) + Noun 척도 (yardstick/measure).

정답률이 0%에 수렴하는 문항은 논리적 정합성에 결함이 있을 개연성이 농후합니다.

Items where the correct answer rate converges to 0% have a high probability of having flaws in logical consistency.

Noun 정합성 (consistency) + Idiom 개연성이 농후하다 (highly probable).

정답률의 정규 분포 이탈 현상은 부정행위나 집단적 개입의 징후로 간주될 수 있습니다.

The phenomenon of deviation from the normal distribution of correct answer rates can be regarded as a sign of cheating or collective intervention.

Noun 이탈 (deviation) + Passive verb 간주되다 (to be regarded).

Common Collocations

정답률이 높다

정답률이 낮다

정답률을 높이다

정답률을 계산하다

정답률을 분석하다

평균 정답률

실시간 정답률

정답률 추이

정답률 1위

정답률 하락

Common Phrases

정답률이 바닥이다

— To have an extremely low correct answer rate (informal).

공부를 안 해서 정답률이 바닥이에요.

정답률을 끌어올리다

— To pull up/increase the correct answer rate with effort.

점수를 얻으려면 정답률을 끌어올려야 해.

정답률에 연연하다

— To be obsessed with or overly concerned about the rate.

정답률에 너무 연연하지 마세요.

정답률이 널뛰다

— The rate is fluctuating wildly (informal).

컨디션에 따라 정답률이 널뛰어요.

정답률 깡패

— Someone who has an incredibly high accuracy rate (slang).

와, 너 진짜 정답률 깡패구나!

정답률 0%의 기적

— Used sarcastically when everyone gets a question wrong.

이 문제는 정답률 0%의 기적을 보여주네요.

정답률을 체크하다

— To check the accuracy rate.

풀고 나서 꼭 정답률을 체크해 봐.

정답률 위주로

— Focusing primarily on the accuracy rate.

정답률 위주로 결과를 정리해 주세요.

역대급 정답률

— An all-time high or low accuracy rate.

이번 수능은 역대급 정답률을 기록했어요.

정답률이 반토막 나다

— The rate has been cut in half (informal).

시험이 어려워서 정답률이 반토막 났어요.

Often Confused With

정답률 vs 정답율

This is a common misspelling. The correct form is 정답률.

정답률 vs 오답률

This is the error rate. People often mix them up when describing difficulty.

정답률 vs 정확도

General accuracy, whereas 정답률 is specifically for 'answers'.

Idioms & Expressions

"백발백중"

— Hitting the mark every time; 100% accuracy.

그의 예측은 백발백중이다.

Literary/Common

"식은 죽 먹기"

— Something so easy that the 정답률 would be 100%.

이 문제는 식은 죽 먹기야.

Informal

"하늘의 별 따기"

— Something so hard that the 정답률 would be near 0%.

이 대학 합격은 하늘의 별 따기예요.

Informal

"밑 빠진 독에 물 붓기"

— Effort that doesn't increase the 정답률; futile effort.

기초 없이 공부하는 건 밑 빠진 독에 물 붓기야.

Common

"산 넘어 산"

— One difficult question (low 정답률) after another.

이번 시험은 정말 산 넘어 산이네.

Common

"천 리 길도 한 걸음부터"

— Increasing your 정답률 starts with one small step.

정답률을 높이려면 천 리 길도 한 걸음부터라는 마음으로 시작해.

Common

"고생 끝에 낙이 온다"

— After hard work, your 정답률 will finally go up.

열심히 하면 고생 끝에 낙이 올 거야.

Common

"눈 감고도 하다"

— To do something so well you could do it with eyes closed (high accuracy).

이런 문제는 눈 감고도 풀 수 있어.

Informal

"누워서 떡 먹기"

— Extremely easy (similar to 'piece of cake').

이 퀴즈는 누워서 떡 먹기지.

Informal

"마른하늘에 날벼락"

— A sudden, unexpectedly low 정답률 on an easy test.

공부를 많이 했는데 점수가 낮다니 마른하늘에 날벼락이야.

Common

Easily Confused

정답률 vs 확률

Both end in -률 and involve numbers.

확률 is probability (chance of happening), 정답률 is accuracy (result of answers).

비가 올 확률은 높지만 내 정답률은 낮아.

정답률 vs 비율

Both mean 'ratio' or 'rate'.

비율 is a general ratio; 정답률 is a specific ratio of correct answers.

남녀 비율과 정답률은 관계가 없어요.

정답률 vs 능률

Similar pronunciation.

능률 means efficiency in working or studying.

능률을 높이면 정답률도 올라가요.

정답률 vs 이율

Ends in -율.

이율 is the interest rate at a bank.

은행 이율보다 내 정답률이 더 중요해.

정답률 vs 합격률

Related to exams.

합격률 is the pass rate of people; 정답률 is the correct answer rate of questions.

합격률이 낮은 시험이라 정답률 관리가 중요해.

Sentence Patterns

[Noun] 정답률이 높아요.

수학 정답률이 높아요.

정답률이 [Number]%예요.

정답률이 75%예요.

정답률을 높이기 위해 [Action].

정답률을 높이기 위해 복습해요.

[Noun] 때문에 정답률이 낮아요.

실수 때문에 정답률이 낮아요.

정답률이 [Number]%에 달하다.

정답률이 95%에 달했습니다.

정답률을 분석한 결과 [Result].

정답률을 분석한 결과 보충이 필요해요.

정답률의 추이를 살펴보면 [Insight].

정답률의 추이를 살펴보면 실력이 늘었어요.

정답률의 [Noun] 현상은 [Cause]의 징후이다.

정답률의 이탈 현상은 오류의 징후이다.

Word Family

Nouns

정답 (correct answer)

오답 (incorrect answer)

해답 (solution/answer)

응답 (response)

비율 (ratio)

Verbs

정답이다 (to be the correct answer)

답하다 (to answer)

응답하다 (to respond)

Adjectives

옳다 (to be right)

바르다 (to be correct)

난이도 (difficulty)

변별력 (discriminatory power)

통계 (statistics)

백분율 (percentage)

수치 (numerical value)

How to Use It

frequency

Extremely high in academic and data contexts.

Common Mistakes

정답율 → 정답률
Spelling error. -률 is used after a consonant (except ㄴ).
정답률이 커요 → 정답률이 높아요
Rates and percentages are 'high/low' (높다/낮다), not 'big/small' (크다/작다).
오답률이 높아서 쉬워요 → 정답률이 높아서 쉬워요
Confusing 'correct' with 'incorrect'. If the error rate is high, the test is hard.
날씨 정답률 → 일기 예보 정확도
Using '정답률' for weather instead of '정확도'.
정답률을 많아요 → 정답률이 높아요
Incorrect particle and adjective usage. 'Many' doesn't apply to a rate.

Tips

Particle Choice

When '정답률' is the subject, use -이. When it's the object, use -을. Simple but essential!

The 'Ryul' Rule

Remember: No 'ㄴ' or vowel at the end? Use '률'. It's a rule that applies to many words like '확률' and '합격률'.

Suneung Context

If you hear people talking about 'killer questions', they are definitely talking about '정답률'.

Error Notes

Koreans love '오답 노트' (wrong answer notes). Using them is the best way to raise your '정답률'.

Compound Nouns

You can add subjects before it, like '수학 정답률' (math accuracy) or '영어 정답률' (English accuracy).

AI Accuracy

In tech, '정확도' and '정답률' are often used together. '정답률' is more about specific test cases.

Natural Sound

When speaking casually, you can drop the particle: '정답률 몇 퍼센트야?'

Formal Reports

Use '상승' for increase and '하락' for decrease in formal writing about '정답률'.

Inverse Relationship

Higher difficulty (난이도) usually means a lower '정답률'. Keep this relationship in mind.

TOPIK Strategy

Focus on parts where your '정답률' is low during your final week of TOPIK prep.

Memorize It

Mnemonic

Think of 'Jeong' as 'Just right', 'Dap' as 'the answer', and 'Ryul' as 'the Rule of numbers'. So, the Rule of Just-right answers.

Visual Association

Imagine a red circle (the Korean sign for 'correct') next to a percentage bar growing higher.

Word Web

Test Score Percentage Math Accuracy Correct Answer Rate

Challenge

Try to find the '정답률' on a Korean news site reporting on the latest CSAT results. Can you find which question had the lowest rate?

Word Origin

Composed of three Hanja: 正 (Jeong - correct), 答 (Dap - answer), and 率 (Ryul - rate).

Original meaning: The ratio or rate of answering correctly.

Sino-Korean (Hanja-based vocabulary).

Cultural Context

Be careful when discussing '정답률' with Korean students who are currently studying for exams, as it can be a source of high stress.

In English, we usually say 'accuracy rate' or 'percentage correct.' We don't use a single word as often as Koreans use '정답률.'

Suneung (CSAT) news reports Problematic Men (TV Show) TOPIK Exam analysis

Practice in Real Life

Real-World Contexts

Classroom

정답률이 어떻게 돼요?
정답률을 높여야 해요.
이 문제는 정답률이 낮아요.
정답률을 확인해 보세요.

News/Media

정답률이 급락했습니다.
역대 최저 정답률입니다.
정답률 분석 결과입니다.
난이도 조절로 정답률이 올랐습니다.

App/Gaming

나의 정답률 보기
전체 사용자 정답률
정답률 랭킹
정답률이 90% 이상이면 통과!

Self-Study

정답률 오답 노트
과목별 정답률 체크
정답률 목표 설정
정답률이 안 올라요.

Business/Tech

알고리즘 정답률 테스트
데이터 정답률 검증
정답률 향상 전략
고객 응답 정답률

Conversation Starters

"이번 한국어 퀴즈 정답률이 어떻게 나왔어요?"

"정답률을 높이려면 어떤 공부 방법이 좋을까요?"

"가장 정답률이 낮았던 문제는 무엇이었나요?"

"평소에 정답률을 기록하는 편인가요?"

"정답률이 높으면 시험이 쉬웠다는 뜻일까요?"

Journal Prompts

오늘 푼 문제집의 정답률을 기록하고, 왜 그런 결과가 나왔는지 분석해 보세요.

정답률이 낮을 때 느끼는 감정과 그것을 극복하는 방법에 대해 써 보세요.

내가 생각하는 '이상적인 정답률'은 몇 퍼센트인지 그 이유와 함께 적어 보세요.

정답률이라는 숫자가 학생들에게 주는 스트레스에 대해 자신의 의견을 써 보세요.

한국어 공부를 시작한 이후로 정답률이 가장 많이 오른 영역은 어디인가요?

Frequently Asked Questions

10 questions

In Korean, '-률' is used after most consonants. '-율' is only used after a vowel or the consonant 'ㄴ'. Since '답' ends in 'ㅂ', we must use '-률'. Example: 비율 (bi-yul) vs. 정답률 (jeong-dap-ryul).

No, '정확도' (accuracy) or '적중률' (hit rate) is better for forecasts. '정답률' is specifically for tests or quizzes with defined right/wrong answers.

You can say '제 정답률은 100%예요' or '제 정답률은 백 퍼센트입니다'.

It is a neutral to formal word. You will see it in textbooks and news, but students also use it casually when talking about their scores.

In Korea, a 'killer question' (킬러 문항) usually has a '정답률' below 10% or 20%. It's meant to be extremely difficult.

Statistically, yes. In multiple-choice tests, the '정답률' includes people who guessed correctly, which is why teachers analyze it carefully.

복습 (reviewing) and 오답 노트 (making a note of wrong answers) are the most common ways Koreans suggest to improve their '정답률'.

Usually, '성공률' (success rate) or '득점률' (scoring rate) is used in sports. '정답률' is strictly for 'answers'.

The most direct opposite is '오답률' (incorrect answer rate).

Only if the survey has 'correct' answers (like a knowledge test). If it's just about opinions, '응답률' (response rate) is used.