Search for tag: "clinical trials"

ScHARR Mini MasterClass in Health Research #7 - Professor Stephen Walters - The ABCs of RCTs

The ABC of RCTs This talk will emphasise the importance of randomised clinical trials in evaluating alternative treatments or interventions. The rationale for, and methods of, randomising patients…

From  Andy Tattersall on January 20th, 2021 0 likes 90 plays 0  

Big CACTUS Final Result Video

This video is a summary of the results of the Big CACTUS study. For more information on this study, please visit:

From  Ellen Bradley on June 14th, 2018 0 likes 1,259 plays 0  


This video looks at a different form of randomization, minimization. This method can be more efficient than stratification at ensuring balance in important predictive characteristics, but is not true…

From  batchUser on May 23rd, 2017 0 likes 209 plays 0  

Randomization in Cluster Trials

This video looks at randomization when the patients are grouped into clusters. Since the clusters tend to be relatively few, getting balance is generally more important than with simple randomization.

From  batchUser on May 23rd, 2017 0 likes 122 plays 0  

Simple Randomization

This video introduces the concept of randomization of treatments to patients using playing cards. It describes simple randomisation, which is the purest form of randomization

From  batchUser on May 23rd, 2017 0 likes 138 plays 0  

Introduction to Randomized Controlled Clinical Trials

This video introduces the three main concepts in Randomized Trials, the ABC: Allocation at random, Blindness and Control

From  batchUser on May 23rd, 2017 0 likes 47 plays 0  

Blocked and Straified Randomization

This video looks two methods of trying to get a better balance between two groups namely blocked randomization and stratified randomization. Blocked randomisation tries to ensure that approximately…

From  batchUser on May 23rd, 2017 0 likes 580 plays 0