The imperfect screening
Diagnostic screening. The characteristics of the diagnostic screening and the ways of calculating the prevalence of the disease from its results are described.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreThe imperfect screening
An important decision
Sampling techniques. The characteristics of the sampling and the main sampling techniques, both probabilistic and non-probabilistic, are described. Life is full of important decisions. We decided what to study. Sometimes, very few, we can decide where to work. We decided if we marry and…
That’s not what it seems to be
Cross-sectional studies. Cross-sectional studies are observational studies that study more than one variable to determine if there is an association among them.
The Ten Commandments
The scientific method. The steps of scientific method are described, from the elaboration of the research question to the publication of the results.
The other sides of the King
Types of clinical trials. Variations of the classic parallel clinical trial design are described, such as crossover, sequential, or factorial clinical trials.