Verification Bias
A brief evidence based medicine video explaining verification bias.
Combining Results in Meta-analyses: Fixed Effect vs. Random Effects
An example-based explanation of two methods of combining study results in meta-analyses: fixed effect and random effects models.
Hypothesis Testing and P-Values
A quick tutorial on hypothesis testing and p-values. The null hypothesis and alternate hypothesis are described, and the meaning of the enigmatic p-value explained in simple terms. Brought to you by emjclub.com, the evidence-based emergency medicine podcast. Created by Brian Cohn, MD from the Washington University Division of Emergency Medicine.