What Is a Randomised Controlled Trial (RCT)

question 3

Multiple Choice

What is a randomised controlled trial (RCT) ?

• A) An experiment where participants take part in a number of interventions in a randomised order
• B) An experiment where some of the participants will be randomly assigned to receive the intervention of interest, and the others will receive no treatment or a control treatment
• C) An experiment where all participants trial a new treatment, followed by a control treatment
• D) None of the above

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Definitions:

Human Laboratory Studies

Research experiments conducted in controlled environments on human subjects to study behavior, reactions, or biological processes.

Generalizability

The extent to which findings or conclusions from a study can be applied to broader contexts beyond the study settings or subjects.

Replication

The process of repeating a research study or experiment with the aim of finding out if the original findings can be reproduced and thus validated.

Double-Blind

A study or clinical trial design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.