Related Experiment Video
Updated: Mar 2, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
How to design a randomised controlled trial
1Director of NWORTH Clinical Trials Unit and Honorary Consultant in Dental Public Health.
Abstract:
This practical paper explains how to design an randomised controlled trial (RCT) for those who have little prior knowledge of the topic. It covers the basics of radomisation, statistical testing, sample size caluclations, bias and the role of Clinical Trial Units.
Related Concept Videos
Randomized Experiments
Simple randomization
Simple...
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs
Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs
Blinding
Group Design
Study Design in Statistics
Does aspirin reduce the risk of heart attacks? Is one brand of fertilizer more effective at growing roses than another? Is fatigue as dangerous to a driver as the influence of alcohol? Questions like these are answered using randomized experiments with proper...

