NOTE DA “GRADE”. CHE FARE SE NON ABBIAMO EVIDENZE PER DECIDERE ?

GRADE notes: How to use GRADE when there is “no” evidence? A case study of the expert evidence approach Reem A. Mustafa et al.  Abstract Objectives One essential requirement of trustworthy guidelines is that they should be based on systematic reviews of the best available evidence. The GRADE Working Group has provided guidance for evaluating…

LA CERTEZZA DELLE EVIDENZE. UNA GUIDA DA “GRADE”

GRADE guidelines 32: GRADE offers guidance on choosing targets of GRADE certainty of evidence ratings Linan Zeng  et al. Abstract Objective To provide practical principles and examples to help GRADE users make optimal choices regarding their ratings of certainty of evidence using a minimally or partially contextualized approach. Study Design and Setting Based on the…

I TEST STATISTICI PER L’IPOTESI NULLA. QUALCOSA DA RICORDARE ?

Hypothesis Tests Explained Angelica Lo Duca A quick overview of the concept of Hypothesis Testing, its classification in parametric and non-parametric tests, and when to use the most popular ones. Image by Author What is Hypothesis Testing According to Jim Frost, Hypothesis Testing is a form of inferential statistics that allows us to draw conclusions about…