実証

In a sentence

• 科学者は理論を実証するために実験を行った。

  The scientist conducted experiments to verify the theory.

  Here, "実証" is used to mean verifying or proving a theory through practical experiments.

• このデータは新しい技術の有効性を実証している。

  This data demonstrates the effectiveness of the new technology.

  In this case, "実証" is utilized to indicate that evidence is demonstrating or proving a certain claim or effectiveness.

• リーダーシップの重要性は数多くの研究によって実証されている。

  The importance of leadership has been validated by numerous studies.

  Here, "実証" refers to validation that has occurred through research, confirming the significance of leadership.