Common - Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

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Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Total Answers and Comments: 10

Last Update: March 03, 2009 Asked by: MVTESETING

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Submitted by: sumanvasikarla

Generally we can define the differences for Validation and Verification in two ways.

Difference 1: Verification comes under Quality Assurance group (QAG). And Validation comes under Quality Control (QC).

Difference 2: Generally a tester will not involve in the verification. A tester will always does the Validation only.

Test Evaluation: Is the Plan to execute the Test cases and reporting the bugs/issues/defect found.

Please anyone correct me if I am wrong.

Above answer was rated as good by the following members:
jitendramishra, rajnit, niki11

January 15, 2008 10:57:52

sumanvasikarla

Member Since: April 2007 Contribution: 3

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Generally we can define the differences for Validation and Verification in two ways.

Difference 1: Verification comes under Quality Assurance group (QAG). And Validation comes under Quality Control (QC).

Difference 2: Generally a tester will not involve in the verification. A tester will always does the Validation only.

Test Evaluation: Is the Plan to execute the Test cases and reporting the bugs/issues/defect found.

Please anyone correct me if I am wrong.

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January 15, 2008 22:51:08

lekha253

Member Since: January 2008 Contribution: 4

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification is Quality Assurance to monitor and measure the strength of development process.

Validation is Quality Control to test the final output after completion of development process.

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April 19, 2008 15:54:42

samisalona

Member Since: April 2008 Contribution: 9

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification: It is the process of checking or testing of all the items including the software for consistency and conformance by evaluating the results against the pre-specified requirements.
Are we building the system right?
Validation: It is the process of checking that what has been specified is what the user actually wanted.
Are we building the right system?

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May 17, 2008 10:03:12

rajeshwarash

Member Since: April 2008 Contribution: 8

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification is always done on documents .For example walk trough inspection and review comes under verification.
In V-model review on SRS review on Design and analysys are comes under verification.
OR
Verification is to check whether we r building right system or not?

Validation is process of checking whether our system is doing right things or not?
Unit testing Integration testing system testing UAT come under validation process.

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June 10, 2008 05:34:45

uma_test

Member Since: June 2008 Contribution: 3

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

VERIFICATION: To determine whether it meets the requirements. Is the deliverablebuilt according to the specification? VALIDATION: To determine whether it meets the user needs ---Is the deliverable Fit for purpose?.

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July 18, 2008 03:58:03

anil.ojha

Member Since: July 2008 Contribution: 3

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

The same answer was given in Technical round by me and I was told this is Incorrect.Can any body explain me in details with the start of Veriifcation (Phase) & start of Validation( Phase).

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September 23, 2008 13:20:42

rhkvarma24.qa

Member Since: September 2008 Contribution: 2

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification: Are we building the right software?
Validation: Did we build the right software as per requirements?

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February 06, 2009 11:57:57

nag786

Member Since: February 2009 Contribution: 4

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification
It is a process that makes sure that software product is developed in the right way means that develped software should meet its specifications defined at the starting of the SDLC phase. Software development is done in different stages an analysis is done to ensure that all required specifications are met for each phase.

It can be done using reviews and meetings to evaluate the project documents like design document Test plans code review project specifications other design documents etc
Its a Software Quality Assurance
It assures that are we building the product right.

Validation
It is a process that makes sure that developed product meets the customer requirements/end user needs.
It involves actual testing of the product/application
It assures that are we building the right product.

Test Evaluation
It is a document to estimate and analyze the testing process.
How many test cases designed /how many executed/how many passed/how many failed/ what are defect/how many defect fixed/ etc

Nagaraja goud E

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February 28, 2009 16:01:47

vk1978

Member Since: February 2009 Contribution: 174

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification and validation is a form of testing that defense against error prone software development and
maintenance process.
Verification and validation are not the same verification shows
conformance with the specifications and validation shows that the program meets the customer's need

Verification : is a type of static testing as software inspection is
convened with analysis of the static system representation to discover problems.

Formal approach to document reviews
Intended explicitly for defect detection but not correction

Cannot check non functional characteristics such as performance usability etc.
Many defects can be discovered in single inspection

Verification can be done on Requirements specifications design docs Code

Validation : is a type of dynamic testing as software testing concerned with exercising and observing product behaviour
One defect may mask another defect so several executions are required

Intended explicitly for correction
Validation is done in actual application and may be done on Prototype

(Please rectify me if i am wrong on Prototype)
Hope this Info might
helpful to all of us

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March 03, 2009 04:55:20

#10

imnothegeek_lav

Member Since: November 2008 Contribution: 17

RE: Difference between the Validation& Verification(V&V) and Test Evaluation(TE)

Verification :

It answers the question : Is this the right specification?

It is generally done during : 'System Testing' phase

Validation :

It answers the question : Is the system right to specification?

It is generally done during : 'Acceptance Testing' phase

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