Verification and Validation

Question 1

What is data verification?

Answer 1

Verification ensures data entered matches the original source (e.g., retyping or double-entry methods).

Question 2

What is data validation?

Answer 2

Validation checks whether data is sensible or reasonable (e.g., ensuring a number is between 1 and 100).

Question 3

Give an example of a validation check.

Answer 3

Range check: Ensuring a test score is between 0 and 100.