The phrase "a well established concept" is correct and usable in written English.
It can be used when referring to an idea or theory that is widely accepted and recognized in a particular field or context.
Example: "In the realm of psychology, cognitive dissonance is a well established concept that explains the discomfort experienced when holding conflicting beliefs."
Alternatives: "a widely accepted idea" or "a recognized principle".
Correlation is a well established concept for quantifying the relationship between financial assets.
Virtualization is a well established concept, with applications spanning several areas of computing.
The process life cycle is a well established concept, having increasingly become a corporate and regulatory imperative.
Configuration management is a well established concept for managing distributed systems during runtime, not just specific to the field of cloud computing.
This finding supports a well established concept but importantly also shows its clinical significance when lung function is poor.
It is a well established concept that HDAC inhibitors induce apoptotic response in a P53-dependent and independent ways [ 46].
This approach apparently underestimates the well established concept that the native state of a protein is better represented by an ensemble of conformers [ 25- 27].
This supports the well established concept that the location of the CpG dinucleotides subjected to methylation plays an important role in determining whether genes are silenced or not.
In this section, we introduce the properties of (strong) intuitive fairness and non-participation and connect them with certain well established concepts in literature.
The study may be facing a problem related to the choice of psychosocial exposures, despite the fact that our survey data are based on well established concepts and validated tools [ 1].
Concept mapping is a well established mixed methods social research approach that integrates rigorous multivariate statistical analyses with familiar qualitative processes such as brainstorming, sorting and rating of ideas to create a shared conceptual model [ 30, 31].
