사용했다며

In a sentence

• 그녀는 새로운 소프트웨어를 사용했다며 결과가 더 좋아졌다고 말했다.

  She said that by using the new software, the results have improved.

  Here, '사용했다며' conveys that the subject used something (new software) and is reporting on it as part of their statement, linking the usage cause to the improved results.

• 그가 오래된 도구를 사용했다며 더 효율적인 방법을 찾았다고 주장했다.

  He argued that he used the old tools and found a more efficient method.

  In this sentence, '사용했다며' is employed to introduce the claim that the subject used a resource (old tools) which led to discovering increased efficiency.

• 학생들이 이 앱을 자주 사용했다며 높은 학습 성취도를 보였다고 한다.

  It is said that students frequently used this app and showed high learning achievement.

  Here, '사용했다며' is used to indicate that students' frequent use of the app is being described in relation to their academic achievements, emphasizing use as a significant factor.