"sufficiently valid" is correct and can be used in written English.
You can use it to describe something that meets the necessary requirements or that is reliable enough to be accepted as true or correct. For example: "The evidence presented to the court was sufficiently valid for the judge to make a judgement."
In conclusion, the computer test for measurement of 'liking' and 'wanting' is sufficiently valid.
Research in support of determining whether new, but as yet unofficial, diagnoses are sufficiently valid for widespread clinical use.
"A federal judge found that the patent was sufficiently valid to issue a preliminary injunction, which is a rather extraordinary thing, right in the face of the Christmas holiday season.
It is shown that the performance of ASOG and UNIFAC models are sufficiently valid in representation of data base and in extraction calculations.
The model has been shown to be sufficiently valid by comparison with experimental fugacity coefficients derived from gas-liquid water equilibria.
As part of this project, the question arose of whether the links that are normally found in an online journal such as D-Lib are sufficiently valid to be used in reference linking, or must we rely on the DOI method that is available to publishers in CrossRef.
After review by HRQOL and gastroenterology experts from Europe 41 items were found to be sufficiently content valid for use in the United States, Britain, Germany, Italy, and France.
In conclusion, psychometric testing indicates that data obtained with the Japanese version of the NEI VFQ-25 are sufficiently reliable, valid, and responsive for group-level comparisons.
The 27-item and 9-item versions of the questionnaire developed here appear sufficiently concise, valid and reliable to provide a non-biased subjective evaluation of outpatient viewpoint on the quality of care and services in hospital consultations.
The DEMMI is a bedside assessments that can be administered within 10 minutes without the use of special materials and the Australian English and Dutch versions have proven to be sufficiently reliable, valid and responsive measures of mobility in the Australian and Dutch context, respectively [ 20, 24, 27].
This study supports the use of automated measures, based on Freesurfer in this instance, as being sufficiently reliable and valid particularly in the context of larger sample sizes when the research question does not rely on 'true' hippocampal volumes.
