The phrase "a single prescriptive" is correct and usable in written English.
It can be used when referring to one specific prescriptive rule, guideline, or approach in a particular context.
Example: "In this study, we will focus on a single prescriptive that governs the use of language in formal writing."
Alternatives: "one specific guideline" or "a singular directive".
As with another Gove scheme for a single exam board, and his ludicrously prescriptive first draft of the history curriculum, the O-level idea was summarily dropped.
He also calls for a move towards a single rail regulator and suggests rail company franchises should be less prescriptive to allow train firms "more freedom to respond to the market".
The Environmental Science and Policy program is more prescriptive and requires six two-credit science courses in a single semester, including environmental chemistry, toxicology and risk assessment, climate science, hydrology, principles of ecology and urban ecology.
Indeed, only a single paper was published in each year between 2012 and 2014, which focused on prescriptive analytics.
In her prescriptive and illuminating report, the former senior Treasury official Kate Barker proposed bringing together health and social care, a single ringfenced budget, with one commissioner to co-ordinate it all.
Observed differences in perceived consensus between the descriptive (M = 88.61, SE = 1.11), prescriptive (M = 90.62, SE = 1.11), and combined treatment (M = 90.27, SE = 1.06) variations were negligible; we therefore collapsed them into a single "consensus" treatment group.
At this stage, the issue changes from a descriptive to a prescriptive or normative one.
But, to end on a positive note, a prescriptive endcap video.
"Myths, Illusions, and Peace" is both an analytical and a prescriptive book.
Under a prescriptive interpretation, it singles out what players should do in the game.
