The phrase "a valid and useful" is correct and usable in written English.
You can use it to describe something that is both acceptable and beneficial in a particular context.
Example: "The research provided a valid and useful framework for understanding consumer behavior."
Alternatives: "a legitimate and helpful" or "an acceptable and beneficial".
The STEPP appears to be a valid and useful instrument that can be used in the Netherlands as a first screening method in stepped psychotrauma care following accidents.
These affective norms for Polish words are a valid and useful tool that will allow researchers to use standard, well-known verbal materials comparable to the materials used in other languages (English, German, Portuguese, Spanish, French, Dutch, etc).
Self-rated oral health is a valid and useful summary indicator of overall oral health status used in epidemiologic studies [ 3, 4].
A definition of the development of burnout like that established using the BCSQ-36 and BCSQ-12 is a valid and useful tool for organizational evaluation and to identify work conditions to prevent the development of burnout and may provide a better understanding of the disorder as it is presented in each case, enabling the design of more specific treatment approaches.
If we ask you then assume you have a valid and useful role to play.
The conservation of energy as kinetic, potential, and elastic energy in a closed system under the assumption of no friction has proved to be a valid and useful tool.
Studies have shown that the MIDAS instrument is a valid and clinically useful instrument for assessing health-related quality of life in migraineurs.
Studies have shown that this is a valid and clinically useful instrument for assessing health-related quality of life in migraineurs [36, 37].
The TBDI is a brief, valid, and useful tool for stress-related research that allows comparison of the psychological responsiveness of distinct patients and groups of patients and facilitates assessment of distress levels across cultural or language barriers.
To demonstrate that iPAS captures biologically and clinically relevant information in a sensible, valid and useful manner, we apply it to samples of lung and colon adenocarcinoma.
Despite the promise that EMR can provide for oncology outcomes research, several challenges must be considered to develop a comprehensive, valid, and useful data resource.
