StatsMiniBlog: Rasch Analysis

Yes. You’re right. I have spelt ‘rash’ wrongly and yes, there are many very very bad puns which can come from this title. But you may have seen, occasionally, Rasch analysis as a thing on scientific paper and wondered ‘Why have they spelled rash wrong?’ Rasch analysis is a way of creating a properly scaled measurement from […]

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Keys to success

The challenges of looking after children with complex medical conditions have been widely acknowledged, and a model frequently proposed to address this is of a ‘key worker’ – an identified health care professional who is a point of first contact, organiser and font of locally applicable knowledge to improve care and reduce distress. In the […]

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What’s stopping you?

Actually turning the fascinating discussions you all have (I’m sure) over breakfast, beer or bovril about the latest systematic reviews, touching on all elements of critical appraisal from their complex search to their use of mixed logistic regression meta-analysis into action is, sometimes, difficult. We all stop on our course from asking questions, through acquiring […]

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Interventions without evidence should not be undertaken. Discuss.

It’s been a ‘debate topic’ from a number of conferences, medical student societies and online fora. Should an intervention without evidence ever be undertaken? There’s a couple of key elements here: one – the idea that there can be an intervention ‘with no evidence’, and two – that an absence of evidence should be interpreted an evidence of absence […]

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Re-building pyramids

The idea of the pyramid of evidence – where a systematic review, or even better, a meta-analysis, trumps all below it – is something that’s passed into mythical status in evidence based practice. Actually, mythical is probably a good way of thinking about it. It’s not real, not really real. But it’s not quite truthless […]

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