To err is human
Systematic error. Systematic error, also called bias, usually leads to an inaccurate estimate of the variable we are studying.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreTo err is human
The tails of p
Bilateral vs unilateral testing. We can choose between a bilateral vs unilateral testing. In the second case, we assume the direction of the difference in effect.
To see well you must be blind
Blinding. Masking or blinding is a concealment technique that prevents the existence of information biases.
The sun is not hurried by early risers
Preventive trials biases. Preventive trials require more time to be performed because participants are healthy people, so they are at risk of specific biases.
The curse
Regression to the mean. Regression to the mean explains that, after an extreme value of a variable, the next time we will obtain a value closer to the mean.