B2 noun Formal

타당성

/tʰadaŋsʌŋ/

The quality of being logically or factually sound; validity. In research, it refers to whether a study accurately measures what it intended to measure.

Examples

3 of 5
1

네 말이 타당성이 있는지 생각해보자.

Let's think about whether your words have validity.

2

본 프로젝트의 경제적 타당성을 검토 중입니다.

We are reviewing the economic validity of this project.

3

거기 갈 타당성이 전혀 없잖아.

There's no validity in going there at all.

Word Family

Noun
타당성
Adverb
타당하게
Adjective
타당하다
💡

Memory Tip

Ta-dang sounds like 'That's right' in Korean (당연하다).

Quick Quiz

정부는 새로운 댐 건설의 경제적 ____를 조사하기 시작했다.

Correct!

The correct answer is: 타당성

Examples

1

네 말이 타당성이 있는지 생각해보자.

everyday

Let's think about whether your words have validity.

2

본 프로젝트의 경제적 타당성을 검토 중입니다.

formal

We are reviewing the economic validity of this project.

3

거기 갈 타당성이 전혀 없잖아.

informal

There's no validity in going there at all.

4

연구 결과의 타당성을 입증하기 위해 추가 실험이 필요하다.

academic

Additional experiments are needed to prove the validity of the research results.

5

우리는 새로운 정책의 타당성을 조사해야 합니다.

business

We need to investigate the validity of the new policy.

Word Family

Noun
타당성
Adverb
타당하게
Adjective
타당하다

Common Collocations

타당성을 검토하다 to review the validity
타당성이 있다 to be valid
논리적 타당성 logical validity
타당성을 입증하다 to prove validity
경제적 타당성 economic feasibility/validity

Common Phrases

타당성 조사

feasibility study / validity check

타당한 이유

valid reason

타당성이 결여되다

to lack validity

Often Confused With

타당성 vs 정당성

'타당성' is about logic/validity, while '정당성' is more about moral or legal justification.

📝

Usage Notes

A high-level academic word used to evaluate arguments or research methods.

⚠️

Common Mistakes

Students often use '이유' (reason) when they should use '타당성' to describe the logical strength of a point.

💡

Memory Tip

Ta-dang sounds like 'That's right' in Korean (당연하다).

📖

Word Origin

From Hanja 妥當性 (appropriate + fitting + quality).

Grammar Patterns

타당성이 있다/없다 -의 타당성

Quick Quiz

정부는 새로운 댐 건설의 경제적 ____를 조사하기 시작했다.

Correct!

The correct answer is: 타당성

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