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Real World Trial
Randomised Controlled Trial
A method where participants are randomly assigned to receive a treatment or not, then outcomes are measured and compared between the groups to estimate the treatment's effect. It involves external participants and systematic data collection to isolate causal impact.
When This Method Fits
Typical duration
Weeks – Months
Typical cost
Medium – Very High
Fidelity level
Live Limited, Live Full
Stage
Validation, Scaling
Hypothesis type
Outcome, Mechanism
Goal type
Find product-market fit, Deepen product-market fit, Validate go-to-market strategy, Scale the model, Maximize societal impact, Drive corporate innovation / R&D, Improve operational efficiency
Randomization
Required
Study design
Between-subjects experiment, Cluster-randomized design
Minimum units needed
30
Causal rigor
Min 5 · Max 5 / 5
1Best Fit When
Best when you need the strongest possible causal claim about a specific change's effect and can randomize enough units to make the comparison valid.