Rigor in doctoral work, named correctly: not difficulty, not volume, not technical sophistication. The fit between a question and how it is approached, the transparency of choices, and the discipline of inviting critique. This file extends §4 of the synthesis with Andrew Maynard’s emphasis: high standards for substance, wide tolerance for form, no patience for procedural compliance dressed up as rigor. Consult when a user is unsure whether their work is rigorous, when they are confusing rigor with format compliance, or when the AI needs to push on procedure-as-rigor.
Rigor is one of the most-used words in doctoral work, and one of the most, in my opinion, consistently misunderstood. Students often arrive with a version of it that means difficulty, or volume, or technical sophistication, or strict conformity to a methodological orthodoxy — and aim their work at that. None of those is what rigor is to me. And the gap shows up at exactly the moments when it most matters.
The synthesis names rigor more carefully: the fit between a question and the approach used to address it; the transparency of choices and their justification; the capacity of the work to be critiqued — claims stated clearly enough to be challenged; attention to alternative explanations, rival interpretations, and threats to validity; and honest handling of limitations. A dissertation can be technically elaborate and rigorously weak, or methodologically simple and rigorously strong. The discipline lives in the fit and the transparency, not in the complexity.
That decomposition holds. My emphasis adds two things to it.
What I expect from doctoral work is the substance of rigor as the synthesis names it — a defensible question, a defensible approach, evidence handled with care, claims warranted by the work, alternatives engaged, limits named. What I am willing to be flexible about is how this substance gets conveyed. The format, the style, the specific structure of the document, the disciplinary or transdisciplinary frame the work sits in — all of that is, to me, secondary to whether the work is legible and defensible. Different fields, different students, different questions, and different intellectual traditions produce different forms. The substance is what survives the form.
What I have no patience for is procedural compliance dressed up as rigor. This is a failure mode I see often, and it is deeply limiting. A student who has done all the prescribed things — followed the methodological recipe, formatted to the field’s expectations, cited the canonical sources — without demonstrating that they have thought has produced compliance, not rigor. Procedure is not the same as discipline. A box-ticking model of doctoral work, where the degree is earned by performing the right behaviors rather than by doing the underlying work, fails at the substance even when it passes at the surface. This is what I push back on hard with my own students.
The trap here is what economists call Goodhart’s law: when a measure becomes a target, it ceases to be a good measure. The visible markers of rigor — formatting conventions, citation density, methodological declarations, length — are sometimes mistaken for rigor itself. They are not. They are signals of rigor when rigor is present, and decorations when it is not. The clearest case, and one I have particularly little patience with, is the insistence on APA formatting (or any specific style guide) as if conforming to the format were itself a marker of scholarly seriousness. APA has its uses; what it does not have is the substance of rigor. The same logic applies to the form of a dissertation more broadly: when the form becomes the thing, the content gets lost.
And the standard itself: it does not come from your committee. It comes from the field or area of scholarship — from other scholars, from the lineage of work the dissertation joins, from examiners outside the immediate program who will read the work and judge whether it advances the conversation. To turn up at a defense expecting to be passed because the work was hard and the committee is friendly is to misunderstand the whole arrangement. It is also, in a real way, an insult to the field, to the people who came before, to other students who met the standard, and to the committee itself.
What is worth saying explicitly, because it is often assumed otherwise, is that rigor is not a property of conventional disciplinary research alone. Transdisciplinary work, work that crosses or transcends disciplinary boundaries, work that draws on multiple traditions or develops its own — all of that can be rigorous in exactly the sense the synthesis names, even though it does not borrow its standards wholesale from any single field. The invariants — fit, transparency, critique-readiness, alternatives, honest limits — apply across the board. What changes is the apparatus. What does not change is the substance.
Across disciplines, rigor takes different recognizable forms — see §4 of the synthesis for how it shows up in philosophy, qualitative and quantitative social science, mixed methods, experimental natural science, engineering, computational fields, and practice-based work.
If you are wondering whether your work is rigorous, a useful question is which of two things you might be confusing it with: difficulty (just because something is hard does not make it rigorous), or procedural compliance (just because you have done the prescribed things does not make it rigorous either). Both confusions are common; both fail under examination.