"both descriptive and normative" is a correct and usable phrase in written English.
You can use it when discussing a topic or issue that has both descriptive (describing how things are) and normative (prescribing how things should be) aspects. Example: "The debate on ethical consumerism is both descriptive and normative. On one hand, it describes consumer behavior patterns and attitudes towards ethical products. On the other hand, it prescribes ethical standards and expectations for consumers to follow."
Given that philosophy of neuroscience, as other branches of philosophy of science, has both descriptive and normative aims, it is critical to develop methods for accurate estimation of current norms and practices in neuroscience.
The explanation seems to require appeal to very strong forms of both descriptive and normative individualism.
It is worth noting at this stage that Hegel's account of art is meant to be both descriptive and normative.
When it is used as a medical boundary concept, enhancement, like futility, plays both descriptive and normative roles.
On the basis of this model (and almost certainly while the vignette is still being read), the participant begins to interpret, i.e., to make both descriptive and normative judgments about the scenario, especially about the mental states and character traits of the people in it.
Finally, the idea of analyzing rational degrees of belief in terms of rational betting behavior led to the 20th century development of a new kind of decision theory, Bayesian decision theory, which is now the dominant theoretical model for the both the descriptive and normative analysis of decisions.
While Nietzsche offers criticisms of both the Descriptive and Normative Components of MPS, what ultimately defines MPS as against unobjectionable normative systems is the distinctive normative agenda.
As a consequence of the entanglement of descriptive and normative activity, the search for mechanisms becomes normatively loaded.
In both the broad and the narrow senses, however, a critical theory provides the descriptive and normative bases for social inquiry aimed at decreasing domination and increasing freedom in all their forms.
The stress on the distinction between the descriptive and normative approaches is becoming more frequent among scholars of religion.
Thick ethical terms are terms that, like cruel, have a mixed descriptive and normative content.
