This blog provides a detailed overview of the Delphi Technique, a method of congregating expert opinion through a series of iterative questionnaires, with a goal of coming to a group consensus. It covers what it is, the process involved, pros and cons and when you would consider using it.
Tarang Sharma was lead-author of a recent article entitled “The Yusuf-Peto method was not a robust method for meta-analyses of rare events data from antidepressant trials”. In this blog, Tarang gives more details about meta-analysis methods of rare events and sparse data, and why these can lead to misleading results.
This blog provides an introduction to sample size and power; what it is, why it’s important to consider when designing a study, and how to carry out a power calculation.
A pilot study is a small scale preliminary study conducted in order to evaluate feasibility of the key steps in a future, full-scale project. Pilot studies can teach researchers about any amendments they will need to make to the design of the future study, in order to minimise waste of time and resources.
This blog provides a detailed overview of the concept of ‘blinding’ in randomised controlled trials (RCTs). It covers what blinding is, common methods of blinding, why blinding is important, and what researchers might do when blinding is not possible. It also explains the concept of allocation concealment.
This is the story of the MedLit Blitz birthday celebration. Cochrane Crowd joined forces with another innovative platform Mark2Cure to run the MedLit Blitz, consisting of three events: a webinar, a 24 hour Cochrane Crowd screening challenge, and a 24 hour Mark2Cure challenge.
Join Cochrane Crowd, their partner Mark2Cure and their collective global volunteer network for an online MedLit Blitz, May 9th-12th.
This blog takes a critical look at the use of functional electronic stimulation for children with cerebral palsy.
This blog takes a critical look at a randomised controlled trial exploring whether additional core stability exercises (over and above standard rehabilitation) can benefit patients after a stroke.
This blog discusses the problem of confirmation bias: our tendency to favour answers that confirm ideas and beliefs that we already have. It also discusses two possible solutions to this problem: 1) referring to systematic reviews, which take account of ALL the available evidence and 2) actively seeking out information which may challenge our preconceptions.
This blog takes a critical look at the use of acupuncture for carpal tunnel syndrome.
Cochrane Crowd, Cochrane’s new citizen science platform, recently ran a successful 48 hour citation screening challenge to reach the goal of 1 million research citations screened. The Cochrane Crowd team have provided this overview of the event.
This blog takes a critical look at a strength-based training programme for young people with Down Syndrome.
This blog provides a basic overview of: 1) what a meta-analysis is; 2) why they’re considered the ‘gold standard’ of evidence; and 3) how a meta-analysis is carried out.