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How do you choose the right statistical test in clinical research?

In this This Is Why (TIW) lecture, Dr. Busti introduces the biostatistics decision-making framework that connects hypothesis, study design, and data type to the correct statistical analysis.

This is not a memorization lecture—it’s about understanding the structure behind statistical choices so you can evaluate research correctly as a clinician or researcher.

This episode sets the foundation for the entire Biostatistics Framework series, where each concept builds step-by-step into practical application.

If you’ve ever wondered why a specific statistical test was used in a paper—or whether it was the right one—this is where you start.

Topics Covered:

- Introduction to biostatistics in clinical research

- How to choose the correct statistical test

- Role of hypothesis in guiding analysis

- Study design and its impact on statistical decisions

- Understanding data types in research

- Independent vs related groups

- Internal validity and bias in clinical studies

- Sample vs population inference

- Null vs alternative hypothesis (conceptual review)

- Overview of the statistical decision framework

The goal = make medical education easy and clinically relevant.

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Speaker: 

Anthony Busti, MD, PharmD, MSc, FAHA, FNLA, is a licensed healthcare professional and medical educator with over 30 years of experience in clinical practice and academic teaching. He has trained and practiced as a nurse, pharmacist, and physician, bringing a uniquely comprehensive perspective to patient care and medical education. 

Dr. Busti is dedicated to advancing evidence-based medicine and helping clinicians understand the underlying “why” behind clinical decisions to improve patient outcomes. 

About This Channel: 

This content is created by Anthony Busti, MD, PharmD, MSc, FAHA, FNLA, a board-certified physician with training at Johns Hopkins School of Medicine and University of Oxford and a medical educator for healthcare professionals and students. All material is based on current medical literature and evidence-based guidelines that align with principles of evidence-based medicine (EBM) and Evidence-Based Healthcare (EBHC). 

Disclaimer: 

This content is for educational purposes only and is not medical advice. It does not replace individualized evaluation, diagnosis, or treatment. Always seek the advice of a qualified health provider with questions about a medical condition and never delay care because of educational content.