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A radical form of RCT that combines dynamic, complex, chaotic, and N‑dimensional randomization into a single, extremely high‑dimensional design. N‑RCT adds several layers of randomization to the point of extreme stochasticity—randomizing over treatment timing, context variables, implementation details, and even the rules of interaction. The goal is to approximate real‑world heterogeneity as closely as possible, but the cost is near‑impossible analysis. N‑RCTs are largely theoretical, used to critique the limits of conventional evidence hierarchies. They demonstrate that when a system is fully dynamic, complex, chaotic, and high‑dimensional, the very idea of a “controlled” trial breaks down, forcing researchers to rely on other methods like systems modeling or Bayesian adaptive designs.
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