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The Minister for Children has recently suggested on the basis of research evidence that parents need to talk more to their children about sex in order to encourage them to start sex later and improve contraceptive use, with a view to reducing teenage conceptions. We report here on a mixed-methods project funded by the Teenage Pregnancy Unit and the Department of Health which draws on accounts of young people aged 15-18 from diverse ethnic groups in East London describing their inclination (or otherwise) to talk with parents, other family members, and peers about sex and intimate relationships. Recent sociological research describes diversity in sexual relationships, family practices and ways in which people love and care for each other, but work addressing ethnicity in these areas has been less well developed. Drawing on research into ethnicity, youth and identity formation in an urban multicultural area, our work indicates that Black African, Bangladeshi, Indian and Pakistani young people living in East London talk to a range of people for support in addition to, or instead of parents. Thus, the siblings and extended families to whom they go for advice may well have a role in health promotion as may existing peer networks. The findings we report here reflect cultural diversity, re-working of cultural traditions and emerging youth identities in multicultural areas. Whilst there may be benefits in some families from more open talk between parents and children about sex, our work suggests that this could helpfully be supplemented by an increased appreciation of what cultural diversity and youth networks can offer.

ABSTRACTThis article discusses two related areas of research practice with children and young people that have received less attention in the literature than they might. The first is working with children and teenagers for whom the traditional, discursive nature of interview‐based research is less accessible. The second is the disinclination of researchers to report on difficulties in the research process. As researchers, we scanned the literature for assistance for some of the problems we encountered, with little reward. In describing everyday problems  (and  some  of  our  – still  developing  – solutions)  we  hope to encourage more dialogue on the uncomfortable realities of the research process, and how we might improve research practice, making it a more fruitful exercise for researchers, and a more enjoyable one for children and teenagers.

In urban research, Twitter data have the potential to provide additional information about urban citizens, their activities, mobility patterns and emotion. Extracting the sentiment present in tweets is increasingly recognised as a valuable approach to gathering information on the mood, opinion and emotional responses of individuals in a variety of contexts. This article evaluates the potential of deriving emotional responses of individuals while they experience and interact with urban green space. A corpus of over 10,000 tweets relating to 60 urban green spaces in Birmingham, United Kingdom was analysed for positivity, negativity and specific emotions, using manual, semi-automated and automated methods of sentiment analysis and the outputs of each method compared. Similar numbers of tweets were annotated as positive/neutral/negative by all three methods; however, inter-method consistency in tweet assignment between the methods was low. A comparison of all three methods on the same corpus of tweets, using character emojis as an additional quality control, identifies a number of limitations associated with each approach. The results presented have implications for urban planners in terms of the choices available to identify and analyse the sentiment present in tweets, and the importance of choosing the most appropriate method. Future attempts to develop more reliable and accurate algorithms of sentiment analysis are needed and should focus on semi-automated methods.

Evaluations of 'natural experiments' in public policy are typically considered 'weak' evidence. Challenges include: making credible claims for causal inference (internal validity); generalizing beyond the case (external validity); and providing useful evidence for decision makers. In public health, where experimental evidence is encouraged by funders and enjoys a degree of rhetorical favour, in theory if not practice, current guidance for evaluating natural experiments focuses largely on methods for strengthening internal validity. Using a case study of the evaluation of free bus travel for young people in London, UK, we demonstrate a pragmatic approach to strengthening both internal and external validity in evaluations through integrating the logic of quasi-experimental methods with inductive qualitative analysis. Combining theoretical and inductive analysis in this way to address questions of policy interest through evaluations of natural experiments may be fruitful, and have methodological advantages over randomized designs.

Background As part of a study considering the impact of a child weight management programme when rolled out at scale following an RCT, this qualitative study focused on acceptability and implementation for providers and for families taking part. Methods Participants were selected on the basis of a maximum variation sample providing a range of experiences and social contexts. Qualitative interviews were conducted with 29 professionals who commissioned or delivered the programme, and 64 individuals from 23 families in 3 English regions. Topic guides were used as a tool rather than a rule, enabling participants to construct a narrative about their experiences. Transcripts were analysed using framework analysis. Results Practical problems such as transport, work schedules and competing demands on family time were common barriers to participation. Delivery partners often put considerable efforts into recruiting, retaining and motivating families, which increased uptake but also increased cost. Parents and providers valued skilled delivery staff. Some providers made adaptations to meet local social and cultural needs. Both providers and parents expressed concerns about long term outcomes, and how this was compromised by an obesogenic environment. Concerns about funding together with barriers to uptake and engagement could translate into barriers to commissioning. Where these barriers were not experienced, commissioners were enthusiastic about continuing the programme. Conclusions Most families felt that they had gained something from the programme, but few felt that it had 'worked' for them. The demands on families including time and emotional work were experienced as difficult. For commissioners, an RCT with positive results was an important driver, but family barriers, alongside concerns about recruitment and retention, a desire for local adaptability with qualified motivated staff, and funding changes discouraged some from planning to use the intervention in future.

Abstract Background As part of a study considering the impact of a child weight management programme when rolled out at scale following an RCT, this qualitative study focused on acceptability and implementation for providers and for families taking part. Methods Participants were selected on the basis of a maximum variation sample providing a range of experiences and social contexts. Qualitative interviews were conducted with 29 professionals who commissioned or delivered the programme, and 64 individuals from 23 families in 3 English regions. Topic guides were used as a tool rather than a rule, enabling participants to construct a narrative about their experiences. Transcripts were analysed using framework analysis. Results Practical problems such as transport, work schedules and competing demands on family time were common barriers to participation. Delivery partners often put considerable efforts into recruiting, retaining and motivating families, which increased uptake but also increased cost. Parents and providers valued skilled delivery staff. Some providers made adaptations to meet local social and cultural needs. Both providers and parents expressed concerns about long term outcomes, and how this was compromised by an obesogenic environment. Concerns about funding together with barriers to uptake and engagement could translate into barriers to commissioning. Where these barriers were not experienced, commissioners were enthusiastic about continuing the programme. Conclusions Most families felt that they had gained something from the programme, but few felt that it had 'worked' for them. The demands on families including time and emotional work were experienced as difficult. For commissioners, an RCT with positive results was an important driver, but family barriers, alongside concerns about recruitment and retention, a desire for local adaptability with qualified motivated staff, and funding changes discouraged some from planning to use the intervention in future.

The objective was to assess the impact of new guidance on the conduct of narrative synthesis in systematic reviews of effectiveness, by means of a blinded comparison of guidance-led narrative synthesis against a meta-analysis of the same study data.The conclusions of the two syntheses were broadly similar. However, differences between the approaches meant that conclusions about the impact of moderators of effect appeared stronger when derived from the meta-analysis, whereas implications for future research appeared more extensive when derived from the narrative synthesis. These findings emphasize that a rigorously conducted narrative synthesis can add meaning and value to the findings of meta-analysis.The guidance framework provided a useful vehicle for structuring a narrative synthesis and increasing transparency and rigour of the process.While there may be risks with overinterpretation of study data, the framework, tools and techniques described in the guidance appear to increase the transparency and reproducibility of narrative synthesis.