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What is the difference between Validation and Verification?

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carine

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Posted 22 June 2009 - 01:02 PM

Can anyone tell me what is the difference between validation and verification??



Simon

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Posted 22 June 2009 - 07:25 PM

Can anyone tell me what is the difference between validation and verification??

Below is great explanation extracted from an earlier discussion here: HACCP Validation and Verification
You will also find futher links in the above thread.

Thanks to Moo73Steve for this explanation. :clap:

Validation - Is what we are doing going to achieve what we want. (Normally a scientific study etc, i.e will cooking to 75 degrees C kill the pathogens of interest)

Verification - Are we achieving what we say we are doing. (Day to day montiring, i.e. are we acheiving a cook of 75 degrees C.)

Micro testing is mostly a verification step (particularly in positive release programs), but may form part of a study to prove a process (i.e. validation). If you are doing it regularly I suggest it is verification.

Calibration would be part of a support program used to ensure measuring devices are accurate for your monitoring. Monitoring would form part of a verification program also.


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Simon

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Posted 22 June 2009 - 07:29 PM

Can anyone tell me what is the difference between validation and verification??

Hi Carine, You will find a simple and effective explanation below. It was from this earlier thread here: HACCP Validation and Verification

Thanks to Moo73Steve. :clap:

Validation - Is what we are doing going to achieve what we want. (Normally a scientific study etc, i.e will cooking to 75 degrees C kill the pathogens of interest)

Verification - Are we achieving what we say we are doing. (Day to day montiring, i.e. are we acheiving a cook of 75 degrees C.)

Micro testing is mostly a verification step (particularly in positive release programs), but may form part of a study to prove a process (i.e. validation). If you are doing it regularly I suggest it is verification.

Calibration would be part of a support program used to ensure measuring devices are accurate for your monitoring. Monitoring would form part of a verification program also.


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GMO

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Posted 22 June 2009 - 09:51 PM

Not sure if it's already covered but in laymans terms, I like to describe validation as "can it control the hazard?" and verification as "I think I've controlled the hazard but these are the ways to double check I have".



Abdul Qudoos

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Posted 23 June 2009 - 06:07 AM

Can anyone tell me what is the difference between validation and verification??


According to me the difference between validation & verification is:

Validation:
  • pool of data
  • information from experience
  • own trials and testings
  • source from internet or newspaper or media.
Verification:
  • cross checking
  • confirmation
Validation comes under Planning and Verification comes under Check (look for PDCA cycle)

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itay.sh

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Posted 23 June 2009 - 12:18 PM

Not sure if it's already covered but in laymans terms, I like to describe validation as "can it control the hazard?" and verification as "I think I've controlled the hazard but these are the ways to double check I have".



In "layerman" terms:
Validation- Do we perform the correct action?
Verification- Do we perform the action correctly?


Simon

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Posted 23 June 2009 - 03:37 PM

Lot's of great examples and definitions - thank's everyone. :clap:

Are you clear on the difference between validation and verification now Carine?


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AS NUR

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Posted 24 June 2009 - 12:49 AM

according to International vocabulary of basic and general terms in metrology (VIM) the definiton of validation and verification are :

Validation : confirmation through examination of a given item and provision of objective evidence that it fulfils the requirements for a stated intended use

Verification : confirmation through examination of a given item and provision of objective evidence that it fulfils specified requirements



carine

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Posted 24 June 2009 - 03:55 PM

Dear All,

Many thanks to all info, i get what u all means..





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