BlogBlog Archive
21
EPPI Christmas 2023!

Well, the year seems to have flown by once again for us here at the EPPI Centre. Possibly because we have been super busy immersing ourselves in all things systematic review-related. Here is a round-up of the highlights of our year!

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19
EPPI Christmas everyone!

For research teams everywhere, it seems the last few years since the COVID-19 pandemic began have been exceptionally busy. 2022 has been another very busy year for the EPPI Centre team. Gillian Stokes and Katy Sutcliffe look back over the year and share some of the highlights!

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10

The concept of embedding researchers into policy and other settings is gaining traction as a way to enhance the role of research evidence in informing decision-making. A new EPPI Centre project explores the influence that 'embedded researcher' interventions could have in public health decision-making (see project page here). Embedded researcher interventions may be potentially useful in helping public health organisations to become more research active as they are challenged by widening health inequalities from COVID-19 and budget constraints. Early on in the project we have been confronted with a thorny issue – exactly what is an ‘embedded researcher’? In this blog Dylan Kneale, Sarah Lester, Claire Stansfield and James Thomas discuss this challenge and why researching this ‘intervention’ is important, and we are interested in your feedback on this.

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12
Prediction, public policy and the harms of “epistemic optimism”

Over the past year we have seen what may euphemistically be described as “ambitious” uses made of predictive modelling to inform public policy. This is not a new phenomenon, but an established direction of travel. Unfortunately, such models have epistemic limitations that no amount of optimism can overcome. Assigning individuals to specific categories – with direct consequences for their lives and without recognising uncertainty in the prediction – is unsupportable scientifically and ethically. It ignores intrinsic uncertainties, reinforces existing structural disadvantage, and is inherently and irredeemably unfair. Model-based predictions may have an important role to play but, despite advancements in technology and data, we still need to exercise great caution when using predictions to place individuals in categories with real-world consequences for people's lives.

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03

EPPI-Reviewer is the software tool developed and used by those at the EPPI-Centre to conduct Systematic Reviews. It is also offered as a service for the wider Evidence Synthesis research community. At the same time, it plays a critical role in enabling methodological innovation. James Thomas and the EPPI-Reviewer team share an insight on their current development priorities as well as the general philosophy that drives their effort.

 

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02

Enthusiasm for public and patient involvement (PPI) in research is gaining momentum. But how can stakeholders be involved in a review process? What are the specific arguments and challenges for involving young people who are deemed to be ‘vulnerable’ in the research that affects them? Louca-Mai Brady and Sarah Lester reflect on the key lessons learned from holding a workshop for young people with lived experience of adverse childhood experiences in the early stages of a review.

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15
Evidence use in public health – make-do and mend?

Dylan Kneale and Antonio Rojas-García reflect on recent work exploring the use of evidence in local public health decision-making. In new climates of public health decision-making, where the local salience of research evidence becomes an even more important determinant of its use, they question how much research is being wasted because it is not generalisable in local settings.

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09
Broadening our understanding of ‘evidence’ for humanitarian aid to maximise learning where we currently know least

Sandy Oliver discusses whether the worlds of academia and humanitarianism can combine to improve the delivery and understanding of the processes and benefits of humanitarian aid through use of evidence.
Interest is growing, when making decisions within the humanitarian sector, in drawing on systematic reviews of studies that assess the effects of different policies or practices. As in other sectors, such research evidence is considered alongside what else is known, such as about competing priorities, social norms, available resources or ease of implementing a programme. Professor Sandy Oliver argues that in contexts where rigorous studies of effects are few and far between, perhaps because conducting research is difficult in such circumstances, it is useful to learn from systematic reviews that encompass other forms of knowledge that are commonly held by individuals and organisations delivering humanitarian aid. These broader systematic reviews increasingly come from partnerships of academics and humanitarian organisations. Strengthening the links between research and work in the field helps create evidence-informed policy/practice, and policy/practice-informed evidence.

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08
Producing evidence synthesis for the humanitarian sector: challenges and solutions

Many humanitarians are evidence-aware, but may find it difficult to draw on what is known or find knowledge that speaks to their context. They may also be pressed for time to find or judge the relevance of what is often a dispersed literature. To address this gap the Humanitarian Evidence Programme, a partnership between Oxfam and Feinstein International Center at Tufts University, published eight systematic reviews in areas identified as a priority by humanitarian policy and practitioner stakeholders. Typical of the sector, and similar to international development, decision-makers ask very broad questions. Kelly Dickson and Mukdarut Bangpan reflect on the challenges we encountered when producing a mixed methods evidence synthesis for this programme, on mental health and psychosocial programmes for people affected by humanitarian emergencies.

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10
Scientific reliability and the role of theory

The replication crisis, publication bias, p-hacking, harking, bad incentives, undesirable pressures and probably other factors all contribute to diminish the trustworthiness of published research, with obvious implications for research synthesis. Sergio Graziosi asks whether demanding simple theoretical clarity might be part of the solution.

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23
Believing

[Warning: do not read this with small kids around!] Mark Newman poses some questions in theme with the seasonal festivities: what does it mean to believe in Father Christmas? Does it really differ that much from belief in the role of evidence? We at the EPPI-Centre are happy to rise to the occasion and wish all of our readers a very Merry Christmas and a happy and prosperous New Year.

 

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09
The search for significant others: p-values rarely engage

It is conventional in the social sciences to report p-values when communicating the results of statistical analyses. There are, however, increasing criticisms of the p-value for being open to misinterpretation and – worse – at risk of falsely indicating the presence of an effect. Alison O’Mara-Eves considers a further problem: failing to engage readers with the meaning behind the numbers. Some alternative ways of reporting the results of analyses are considered.

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05
The EPPI-Centre Blog starts today

Gillian Stokes and Sergio Graziosi - Blog Editors.

This is the launch post for the new EPPI-Centre blog: we provide a brief introduction of the topics we are planning to cover and the general aims of the blog.

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Note: Articles on the EPPI Centre Blog reflect the views of the author and not necessarily those of the EPPI Centre or UCL. The editorial and peer review process used to select blog articles is intended to identify topics of interest. See also the comments policy.

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