The phrase "a formal validation" is correct and usable in written English.
It can be used in contexts where you are referring to an official confirmation or verification of something, such as a process, document, or result.
Example: "Before proceeding with the project, we need to obtain a formal validation from the regulatory body."
Alternatives: "an official confirmation" or "a formal verification."
In future studies it will be crucial to make a formal validation of the Swedish version of the HARQ, assessing repeatability and validity.
"This is a formal validation that grid is ready," said Scott Penberthy, an I.B.M. vice president.
For the latter we give a formal validation.
We forgo a formal validation of the model due to problems of spatial scale and data limitations.
This article presents a formal validation of this new protocol, allowing the validation of its behavior in an exhaustive way.
This is the step where the work is internally reviewed before committing to a formal validation with a broader and usually more external audience.
For a more formal validation study, including specificity and sensitivity analyses, a validated pain assessment tool or a composite pain and agitation score would be appropriate to use, as well as blinding of skin conductance levels.
A review of VA methodological validations in relation to hospital data found some examples relating to malaria, but a generalisable formal validation for malaria mortality remains elusive (41).
There is a need for the formal validation of the SDQ and M.I.N.I.-KID in the African socio-cultural setting of Uganda.
This paper presents the design and implementation of KJ3 (Knowledge Judgment, version 3) which is an assisting tool for formal validation of knowledge-based systems (KBSs).
Geometric modelling techniques for computer-aided design are provided with formal validation methods to ensure that a valid model is made available to applications such as interference checking.
