Tutorials and Fundamentals

A beginner’s guide to standard deviation and standard error

A beginner’s guide to standard deviation and standard error: what are they, how are they different and how do you calculate them?

Tutorials and Fundamentals

‘No evidence of effect’ versus ‘evidence of no effect’: how do they differ?

When you see a claim that a treatment or intervention has no effect, it is important to examine the evidence as this may be a misleading statement.

Tutorials and Fundamentals

Blinding: A detailed guide for students

This blog provides a detailed overview of the concept of ‘blinding’ in randomised controlled trials (RCTs). It covers what blinding is, common methods of blinding, why blinding is important, and what researchers might do when blinding is not possible. It also explains the concept of allocation concealment.