More than two is a crowd
Analysis of variance (ANOVA). Analysis of variance (ANOVA) is the test used to compare the differences among more than two means of a quantitative variable.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Statistics
Life is not rosy
Clinical relevance. Clinical relevance should guide us when assessing the results of a study. For this, we will use confidence intervals. We, the so-called human beings, tend to be too categorical. We love to see things in black and white,…
Independence matters
Paired data. When describing and dealing with random variables, we must consider whether they are independent data or paired data.
The false coin
Hypothesis contrast. Statistical significance. Hypothesis contrast related terms are described: type I error, type II error, power, and statistical significance.
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.