Twisting parallels
Crossover clinical trial. Crossover clinical trial allows each patient to receive the study and the control interventions, in a specific order and for a set time.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreTwisting parallels
An open relationship
Linear correlation. Linear correlation represents the strength of association between two quantitative variables, without implying dependence or causality. We already know about the relationship between variables. Who can doubt that smoking kills or that TV dries our brain?. The issue…
More than one rooster per pen
Factorial clinical trial. Factorial clinical trial allows testing more than one intervention with only one sample of participants. The clinical trial is the king of epidemiological designs. But it is also the most expensive to perform. And, in our times,…
The gregarious one
Cluster clinical trials. Cluster clinical trials are randomized trials in which the unit of randomization is not the individual, but groups of individuals.
The fallacy of small p
Conditionals transposition fallacy. Conditionals transposition fallacy arises from a poor understanding of the concept of p-value and conditional probability.