Efficaciousness used in a sentence

Efficaciousness in a sentence as a noun

The efficaciousness of these approaches do vary, however.

As well as Sulfa ***** to find out why rigor in testing and efficaciousness as well as purity of ingredients is paramount and why they have established such stringent controls.

The collected store of human wisdom over the millenia has a lot to say about the efficaciousness of setting your inner factors right first, and how that will almost magically lead to better external results.

This was completely predictable, and what everyone suggested as Glass failed for consumers; the fact that they're doing this now doesn't necessarily represent any success or particular efficaciousness discovered during the pilot programs.

Did he successfully create Psychohistory, prove its efficaciousness in a wide variety of circumstances, and then derive from this successful model the optimal governmental organization and path to get there, a 19th century Hari Seldon?Or was he frankly just the 19th century equivalent of an Internet commenter pontificating?