The phrase "are used as valid" is correct and usable in written English.
It can be used when discussing the acceptance or legitimacy of certain items, concepts, or practices in a specific context.
Example: "In this study, various methodologies are used as valid approaches to analyze the data."
Alternatives: "are considered valid" or "are accepted as valid".
However, the reliability of a digital signature should determine its capability to be used as valid evidence.
Not only are they better metrics to help you understand your sales funnel, but also can be used as valid assumptions to help you predict future sales.
However, when FDA is unavailable, DOPA-PET or MIBG scintigraphy can be used as valid alternatives.
In this study, heart rate and Rating of Perception Exertion was used as valid indicators of exercise intensity.
By contrast, the concentrations of total (free plus conjugated) urinary species of the parent parabens can be used as valid human exposure biomarkers (Ye et al. 2006a).
Thus, meteorological anomalies two or eight weeks prior could be used as valid references to detect abnormalities during infectious disease peak periods.
In summary the process of Rasch analysis tests the viability of sets of items to be used as valid and reliable additive scale, including aspects of invariance across groups, and compliance with the requirements for constructing interval scale measurement.
Some of the preventive strategies that are advocated and used in other non-Islamic countries such as "Safe Sex" and "Needle Exchange Programs" contradict the Islamic rules and values and as such can not be used as valid and acceptable strategies to prevent the spread of this infection in Islamic countries.
This study supports the use of the CEQ in its translated form as 'robust method of assessing women's satisfaction with her birth experience' and can be used as valid and reliable tool to measure childbirth experience in the UK population [ 5].
