 Hundleby presents as evidence for the paradigmatic operation of the Adversary Method an analysis of critical thinking textbooks in philosophy. Twenty-four textbooks of the thirty examined—four-fifths—revealed in their presentation of fallacies the norms of the Adversary Method: narrow discourse and decisive refutation. Most of these textbooks exhibiting the Adversary Paradigm have authors with no research expertise in argumentation more specific than doctoral training in philosophy, whereas the much smaller number of textbooks (six out of thirty) authored by scholars of argumentation do not show the same signs of the Adversary Method. Given this evidence that argumentation scholarship differently orients argument pedagogy, the prevalence of the Adversary Method in so many other textbooks seems to derive simply from the disciplinary culture of philosophy (Hundleby 2010).