To p or not to p…¿is that the question?
Hypothesis testing. The two types of errors that can be made in a hypothesis testing are described: type I (false positive) and type II (false negative).
Evidence Based Medicine pills
Evidence Based Medicine pills
Hypothesis testing. The two types of errors that can be made in a hypothesis testing are described: type I (false positive) and type II (false negative).
Obfuscation factor. Obfuscation factor helps us, when conducting a survey, to assess the bias that can be caused by false answers o lies.
Kappa coefficient of interobserver agreement. When we have measurements obtained by two observers, the kappa coefficient allows us to separate the degree of coincidence due to chance.
Centralization and dispersion. The measures of centralization and dispersion, arithmetic mean and standard deviation, as well as the calculation of kurtosis are described.
Standardization. Standardization is described, which consists of subtracting the mean from a value and dividing it by its standard deviation.