Validation & Verification

🔶Verification is checking that the data entered is copied correctly from the data source 

🔷Validation is checking if the data entered is reasonable and sensible

🔺Neither method checks if the data is accurate

🔶Verification ensure the the is correctly copied but it can't check if the original data is correct

🔷Validation is needed if the data entered is correct but the original source might be invalid

🔶 Common errors are *Transcription* and *Transposition* Errors.

🔷Verification can pick up both transcription and verification errors. validation might not.

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