Carrying out a literature search can feel daunting when faced with the task. This blog introduces you to the main databases available to enable a comprehensive search of the medical literature.
A well-designed cohort study can provide powerful results. This blog introduces prospective and retrospective cohort studies, discussing the advantages, disadvantages and use of these type of study designs.
This is a Portuguese translation of the third in a series of 36 blogs explaining 36 Key Concepts we need to be able to understand to think critically about treatment claims. With thanks to Izabel Oliveira and Cochrane Brazil for the translation.
This blog explains that the fact that a treatment outcome (i.e. a potential benefit or harm) is associated with a treatment does not mean that the treatment caused the outcome.
Pain is a recurrent undesirable side effect in orthodontic treatment. This blog by Izabel Oliveira introduces pharmacological and non-pharmacological alternatives for orthodontic pain management.
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This blog takes a detailed look at the issue of attrition bias (bias that can arise when participants drop out of a study). It also describes measures that can be taken by researchers to minimize this bias (including different types of statistical analyses).
Critical appraisal tools (CATs) are commonly used by students and researchers alike, as a way of judging a study’s quality. In this blog, Dennis Neuen addresses the need to appraise these tools and has also collated a list of 12 CATs from all over the world.
The nuts and bolts 20 minute tutorial from Tim.