
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.

Publication bias. There is publication bias when not all the relevant information on a topic is published. The methods available to detect it are described.

PRISMA statement. PRISMA statement establishes the methodological requirements that a systematic review with meta-analysis must comply.

Combining studies in meta-analysis. Combining studies in meta-analysis uses a weighting model. The two most used are the fixed effect model and the random effects model.