How to interpret ROC curves

4:More Background Information on Populations and Samples

3: Types of Variables and Scales of Measurement

2: Dealing with missing data

1: Overview of Data Analysis & Cleaning Your Datafile

Blinding in Clinical Trials

Tutorial on making an interactive video in YouTube

How to calculate patient-specific estimates of effect from a study

Effect Modification

Part 2 Association between risk factors and shingles BMJ 2014

Part 1: Critical appraisal of risk factors for shingles study BMJ 2014

Introduction to Personal Learning Networks & Using Twitter to Cultivate Them

Welcome to Evidence Based Medicine

Interpreting a Subgroup Analysis: Is There a Real Effect?

Evaluating a Subgroup Analysis: Was the Data Analyzed Properly?

Evaluating a Subgroup Analysis: Was it Designed Properly?

Overview of Subgroup Analysis

How To Calculate Patient Specific Number Needed To Treat

Concealed Allocation: What Is It and Why Is It Important?

Propensity Scores 101

Review of the 2013 ACC/AHA Cholesterol Guidelines

What Is Length Time Bias?

What Is Lead Time Bias?

Limitations of Clinical Practice Guidelines

Overview of Clinical Practice Guidelines

Principles of Screening

Levels of Prevention

Fixed Effects and Random Effects Models

Interpreting Hazard Ratios

Summary Measures Used in Systematic Reviews