Difference Between Verification and Validation

In the field of research, verification and validation are two frequently used terms that have to do with the processes of approval or certification of statements, products of the investigative process. These terms also have other applications such as in industry, business and in the business environment, these are used to test and verify the quality of a specific item or product.

That is why both are often used interchangeably as if they were synonymous words, but in reality they are two different terms which we will see below and then highlight their differences.


Verification is understood as the process through which the veracity or authenticity of a specific article, statement, object or product is verified. The word verification comes from the Latin word -verificare- which refers to checking and revising. In that sense, verification is the action of examining and verifying the truth of something. Taking into account the above, it can be inferred that verification is the process that is carried out to review something and determine its veracity.

In business, verification is the process of confirming that a product conforms to its description or specifications in terms of functionality. In addition, it is usually a process that is carried out in stages such as prior to manufacturing, at the time of design, while the product is being made, among others. This is done to check that the material used for its manufacture is adequate. Likewise, after its manufacture, it is carried out to verify that the article complies with the previously defined standards or criteria.

In the research area, verification is performed to verify a theory or a statement that comes from the hypotheses raised. Verification is also a daily practice that is carried out to verify that an object works properly or to verify the veracity of some information.


Validation is understood as the process by which a specific article or product is authenticated. The word validation has its etymological root in the Latin word -validare- which means to make something useful. In this way, validation is a process by which the authenticity of an article, document, object or product is certified and authorized for its subsequent use.

On the other hand, validation is a process that is used in different areas such as:

  • In business : when a product has reached the desired degree of functionality, it is controlled through different procedures and its reproduction and sale is authorized based on the needs and interests of customers or users.
  • In the legal field : the validation of documents, for example, is carried out through the signature of some entity in charge of that purpose and, generally, it is accompanied by an authorized stamp.
  • In the scientific field : validation is a process that is carried out to give reliability to the data obtained during the investigative process.

Taking into account the above, it can be said that the main differences between verification and validation are:

check Validation
Verification is done to check the authenticity or veracity of a given item or product. Validation is performed to make a particular product, item, or document useful.
Verification makes it possible to determine that an item or product conforms to specified requirements. Validation makes it possible to determine that an article or product meets the real needs of customers or users.
Verification is done to –meet- standards or criteria. Validation is done to -use- a product or item.

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