Agile frequent verification and validation

avril 22, 2018

Agile frequent verification and validation

Any iteration in agile development must produce artefacts, typically code, that pass the phase of verification and


Therefore, all iterations must have phases like this.

For requirements and design, the verification and validation is the result of peer reviews with team members and

with the customer

For coding, verification and validation is done by code reviews, unit testing and functional testing.

Basics of verification

Am I building the right product

Determining if the system complies with the requirements and performs functions for which it is intended and

meets the organization’s goals and user needs. It is traditional and is performed at the end of the project.

Am I accessing the right data

High level activity

Performed after a work product is produced against established criteria ensuring that the product integrates

correctly into the environment

Determination of correctness of the final software product by a development project with respect to the user needs

and requirements

Basics of validation

Am I building the product right

The review of interim work steps and interim deliverables during a project to ensure they are acceptable. To

determine if the system is consistent, adheres to standards, uses reliable techniques and prudent practices, and

performs the selected functions in the correct manner.

Am I accessing the data right (in the right place; in the right way).

Low level activity

Performed during development on key artefacts, like walkthroughs, reviews and inspections, mentor feedback

Demonstration of consistency, completeness, and correctness of the software at each stage and between each stage

of the development life cycle.

Importance of Verification and Validation in Agile

An Agile Methodology does NOT mean that there will be « frequent changes in requirements. »

What Agile specifically does is to begin with very high level view of the requirements at commencement, and

through the iterative process to begin honing those requirements with your stakeholders as they begin to interact

with the product itself.


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