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Study designs

These resources provide an overview of the main observational and experimental study designs and the advantages and limitations of each.

Overview of study designs

Overview of Study Designs

A video lecture providing an introductory overview of study designs covering both observational and experimental designs.

An overview of clinical research: the lay of the land

A published article providing an introductory overview of the study designs and outcome measures most commonly used in clinical research.

Evidence-Based Practice: Levels of Evidence and Study Designs

A webpage describing the various types of study designs and how they rank in terms of evidential strength.

Experimental study designs

Randomised controlled trials-the gold standard for effectiveness research

A one-page open-access article providing a definition of a randomized controlled trial (RCT).

Randomized Controlled Trials (RCTs)

A 9-minute YouTube video summarizing the key concepts of randomized controlled trials (RCTs).

Randomised controlled trials

A 22-minute YouTube video introducing the key elements of randomized controlled trials (RCTs) through a real-life example.

Observational Study Designs

Introduction to Observational Studies

A 7-minute YouTube video giving an overview of observational study designs.

Longitudinal Studies

A short online book chapter discussing longitudinal and cohort studies.

Biostats4you

The Biostats4you website was developed to serve medical and public health researchers and professionals who wish to learn more about biostatistics.

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