Is it acceptable to treat my revised literature review as original research?

No, a literature review— even a heavily revised one that spotlights methodological gaps— isn’t counted as original research in the sense most dissertation committees expect. What makes a piece “original research” is that it generates new data, new analyses, or a novel theoretical model that advances the field beyond what’s already published. A review can be scholarly, insightful, and even transformative, but unless you’re producing fresh empirical findings or a genuinely new framework, it remains a synthesis rather than a primary study. That said, the line isn’t always razor‑thin. Many programs treat a “critical review” that identifies a clear, testable gap and then proposes a concrete experimental design as a legitimate component of a dissertation proposal. The key is whether the chapter is positioned as a foundation for upcoming empirical work, not as the final contribution itself. If you frame the chapter as a systematic mapping of existing methods, pinpointing exactly where evidence is missing, and you lay out a detailed plan for how you’ll fill those holes, the committee may view it as a research proposal rather than a standalone research product. However, if the chapter simply narrates what’s been done and argues that something is missing without offering a concrete plan, it will likely still be seen as a review. A common misconception is that adding a “methodological gap” section automatically upgrades a review to research. In practice, reviewers look for a clear hypothesis, operational definitions, and a plan for data collection or analysis. Without those, the chapter is still a literature synthesis. Another pitfall is assuming that a 5,000‑word, APA‑styled chapter automatically meets the standards for a proposal chapter. Length and formatting are secondary to content: the committee will ask, “What will you actually do next?” If you can’t answer that with a specific experiment, sample, or analytic strategy, the chapter won’t satisfy the research requirement. On the other hand, if your revised review ends with a precise set of research questions, a proposed design, power calculations, and a timeline, it can serve as a strong proposal component, even if it’s still labeled a “review” in the table of contents. Consider Maya, a PhD student in a similar field who turned her literature review into a proposal by first mapping every fMRI study on working memory, then highlighting that no one has examined the interaction between task difficulty and age using multivariate pattern analysis. She didn’t just point out the gap; she drafted a concrete experiment: a 2 × 3 design, specific scanner parameters, expected effect sizes, and a statistical plan. When she submitted that chapter, her committee accepted it as the research proposal because it clearly laid out what she would do next. If you follow a comparable route—turning the gap you identify into a detailed, testable study plan—your chapter will be viewed as a proposal rather than a finished piece of original research. In short, a revised literature review can be part of a dissertation proposal, but by itself it isn’t original research; you need to embed a clear, actionable research plan that moves beyond synthesis. Make sure your chapter ends with a concrete, testable study design, and you’ll meet the expectations of most dissertation committees.