3. Science started using the ABT a long time ago via the IMRAD

In the early 1900’s, science further institutionalized this by creating a standardized, more detailed structural convention. The narrative template they agreed upon is today know by the acronym IMRAD. The letters stand for the four main sections you see in most scientific papers (with “and” added to make the acronym work better):

I - Introduction M - Methods R - Results (A - And) D - Discussion

So here’s the key point—the IMRAD template is just an extended version of the ABT.