Medical Statistics IV: Hypothesis Testing part 2

Medical Statistics IV: Hypothesis Testing part 2

What's a population? Easy question? Or not? What's a representative sample? What's a random sample from the population and how do you decide if the set of data you have is the same or different from your population. How many samples do you need to take to be representative of the whole population?
Rob Radcliffe explains these concepts and much more, passing through central limit theorem - the very core of medical statistics - to explain all of these easy sounding but difficult concepts in a clear and easy to understand video podcast.
Biased and unbiased estimators, sampling distribution of the mean, the difference between standard deviation and standard error and the key principles underlying the statistical tests we all use all the time are explained. See this podcast and you will understand what you are doing when you are looking at the results of a paper, be able to answer questions in exams with more confidence and be on the way to designing your own study and the analysis of the data.
Essential viewing for medical students, core trainees (junior residents) and higher trainees (senior residents) as exams approach, and also fro anyone starting or in the middle of a research project. There are lots of books on statistics out there, but none as clear as these vodcasts.
Next time: statistical testing

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Episoder(173)

Episode 168: How to be Greener in Surgery, Part 2

Episode 168: How to be Greener in Surgery, Part 2

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Episode 168: How to be Greener in Surgery part 1

Episode 168: How to be Greener in Surgery part 1

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Episode 167: Intussusception part 2 - investigation and treatment

Episode 167: Intussusception part 2 - investigation and treatment

All you need to know about investigation and treatment of this common and serious condition. Indications for pneumatic or hydrostatic reduction, plus operative intervention and complications are all c...

31 Mar 202113min

Episode 167: Intussusception part 1 - Incidence, history and examination

Episode 167: Intussusception part 1 - Incidence, history and examination

David Kiely asks Shalinder Singh about intussusception, a common and serious cause of abdominal pain in children aged 3 months to 3 years.This podcast covers all you need to know about the incidence, ...

31 Mar 202112min

Episode 166: Operations and post-op care for SBO

Episode 166: Operations and post-op care for SBO

You'll need to operate on about 1/3 patients with SBO. Matt Lee tells you what approach is best and when, and how to look after your patients after the operationMatt Lee is Clinical Lecturer in Surger...

27 Mar 20217min

Episode 167: SBO - nutrition, gastrograffin and who to operate on

Episode 167: SBO - nutrition, gastrograffin and who to operate on

Who's going to settle with drip and suck and who isn't? Matt Lee tells you how to tell, who to operate on and when and not to forget that patients with small bowel obstruction need feeding!Further rea...

27 Mar 20217min

Episode 166: Management of small bowel obstruction

Episode 166: Management of small bowel obstruction

Once you've diagnosed small bowel obstruction, Matt Lee tells us the best initial managementMatt Lee is Clinical Lecturer in Surgery at the University of Sheffield and a world expert in small bowel ob...

27 Mar 202116min

Episode 166: Incidence, causes, history and examination of SBO

Episode 166: Incidence, causes, history and examination of SBO

Matt Lee talks about causes of small bowel obstruction, important points in the history and examination.Matt Lee (@wannabehawkeye) is a Clinical Lecturer in Surgery at the University of Sheffield

27 Mar 202112min

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