Which term refers to information that can be justified as being correct or true?

• A. Data
• B. Information
• C. Knowledge
• D. Wisdom

Answer: (C)

Knowledge is information that has been validated and can be justified as true. Data are raw facts or measurements without meaning on their own. Information is data organized to convey meaning or answer a question. Wisdom goes beyond by applying knowledge thoughtfully in real-world, often complex, situations. In imaging, you might collect calibration data (data), summarize it to state a condition like “the color response is linear within this range” (information), and then prove that conclusion with repeated tests and evidence so you can rely on it in practice (knowledge).