Donald Forrester’s research while affiliated with Cardiff University and other places

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Publications (89)


A Cluster Randomized Controlled Trial of Social Workers in Schools (SWIS) in England
  • Article

May 2025

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7 Reads

David Westlake

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Purpose “Social Workers in Schools” (SWIS) is a school-based intervention aiming to reduce the need for children to receive child protection services in England. This article reports the findings of a randomized controlled trial (RCT) designed to evaluate SWIS. Method: The study was a two-arm pragmatic cluster RCT with an embedded process and economic evaluation. The intervention physically located social workers within schools. The primary outcome was the rate of child protection inquiries and secondary outcomes included care entry and educational outcomes. Results: 278,858 students in 268 schools were randomized to the intervention (136 schools) or control arm (132 schools). We found no statistically significant effects on primary or secondary outcomes. SWIS was implemented well and positively perceived. Discussion: SWIS appears ineffective in reducing the need for statutory services. The study demonstrates it is possible to conduct a large-scale school-based social work RCT. The study was registered at https://www.isrctn.com/ , ref: ISRCTN90922032.



Student perspectives on school-based social workers: a mixed-methods study

September 2024

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63 Reads

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1 Citation

Journal of Children's Services

Purpose School social work, in various forms, is well established internationally and has a growing evidence base. Yet existing research focuses on professional perspectives rather than those of students. This study aims to fill this gap by exploring secondary school student perspectives of having social workers in schools (SWIS). It was undertaken in England as part of the SWIS trial, which tested whether secondary school-based social workers could improve child safety and well-being, identify issues more quickly and reduce the need for statutory services. Design/methodology/approach A mixed-methods approach comprised a survey ( n = 1,998 students) and interviews ( n = 27 students). Surveys included questions on awareness, understanding, interaction with and attitudes towards the school-based social workers. Interviews involved a Q-sort activity followed by semi-structured questions on general attitudes and experiences. The Q-sort characterised prominent perspectives and how many students subscribed to them. Findings Students were broadly positive about having a social worker in their school in the survey and interviews. Two prominent perspectives on SWIS were identified. The first ( n = 17) was defined by students feeling positively overall and strongly agreeing that they trusted the social worker. The second ( n = 4) was mixed in sentiment, defined by some anxiety about working with the social worker. In interviews, students relayed that social workers were easily accessible, offered emotional support and acted as a bridge between school and home. Originality/value To the best of the authors’ knowledge, this study is the first to quantify student perspectives on having social workers at school and evidence attitudes and experiences about school-based social work as practiced during the SWIS trial.


Figure 1. Diagram of rapid realist review searches and screening.
Figure 3. Consolidation process showing how IF THEN statements are brought together.
Figure 4. How the program theory suggests that shared decision-making meetings can help to keep children safely at home.
How might shared decision-making meetings reduce the need for children to be in care? A rapid realist review
  • Article
  • Full-text available

September 2024

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15 Reads

Journal of Social Work

Meetings to enhance shared decision-making, such as family group conferences, potentially contribute to enhancing meaningful involvement of families. Such meetings are also claimed by some to reduce the need for children to be in care, either by increasing support from family for parents or by identifying care from within the family network. This rapid realist review aims to develop an understanding of how meetings that facilitate shared decision-making between professionals and families might work to safely reduce the need for children to be in care. It identifies mechanisms that are thought to make a difference and contextual factors that influence the impact of identified mechanisms. Findings A comprehensive search of academic and gray literature identified 64 documents spanning seven types of shared decision-making meetings. Data from these papers were collected using an iterative process of juxtaposition, comparison, contrast, and combination with a developing program theory. Data from the literature was supplemented with consultation to ensure relevance to the UK setting. The review identified three key mechanisms that made shared decision-making meetings more likely to be effective in safely reducing children's entry to care: enabling participation and engagement; building trust and reducing shame; enabling participation in decision-making processes. It describes how these work before, during, and after meetings. Applications The findings help us understand the complicated research findings about the relationship between meetings and care entry and provide a theory about what is needed to make such meetings work that is of practical use for practice and future research

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Outcomes for high-risk young people referred to secure children’s homes for welfare reasons: a population record linkage study in England

May 2024

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29 Reads

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1 Citation

Journal of Children's Services

Purpose Secure children’s homes (SCHs) restrict the liberty of young people considered to be a danger to themselves or others. However, not all young people referred to SCHs find a placement, and little is known about the outcomes of the young person after an SCH or alternative placement. The purpose of this paper is to understand which characteristics most likely predict allocation to an SCH placement, and to explore the outcomes of the young people in the year after referral. Design/methodology/approach A retrospective electronic cohort study was conducted using linked social care data sets in England. The study population was all young people from England referred to SCHs for welfare reasons between 1st October 2016 to 31st March 2018 ( n = 527). Logistic regression tested for differences in characteristics of SCH placement allocation and outcomes in the year after referral. Findings In total, 60% of young people referred to an SCH were allocated a place. Factors predicting successful or unsuccessful SCH allocation were previous placement in an SCH (OR = 2.12, p = 0.01); being female (OR = 2.26, p = 0.001); older age (OR = 0.75, p = 0.001); and a history of challenging behaviour (OR = 0.34, p = 0.01). In the year after referral, there were little differences in outcomes between young people placed in a SCH versus alternative accommodation. Originality/value The study raised concerns about the capacity of current services to recognise and meet the needs of this complex and vulnerable group of young people and highlights the necessity to explore and evaluate alternatives to SCHs.


Do New Policies Influence Practice? A Qualitative Study of Practice and Change in Relation to the New Welsh Child Sexual Exploitation Guidance

July 2023

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25 Reads

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1 Citation

British Journal of Social Work

Child Sexual Exploitation (CSE) is a relatively new term within policy and practice. Whilst policy responses have shifted from criminalisation to recognising CSE as child abuse, a review of the 2011 Child Sexual Exploitation Guidance commissioned by the Welsh Government found a growing, yet limited, understanding of CSE in professional contexts. In this article, we explore practitioners’ perceptions of how they work with young people experiencing, or at risk of, CSE and whether they believe the new Welsh CSE Guidance is effectively implemented in their practice. This small-scale qualitative study utilised small group interviews and semi-structured interviews to explore the perspectives of twelve participants in the initial phase of the guidance release. A thematic analysis of the data demonstrates a lack of professional awareness of the new Welsh CSE guidance, raising questions surrounding implementation efficacy. These findings highlight the complexity of implementation, illustrating a need for manageable caseloads and supportive cultures, which policymakers, senior management and front line managers need to be aware of. Clear and effective implementation strategies that consider these factors, pre- and post-release, are required to improve implementation efficacy in supporting best practice.


Figure 1: Box plot of local authority response rates.
Responses to the question 'Overall the rate of children in care is . . .'
Comparing Local Authority Rates of Children in Care: A Survey of the Children’s Social Care Workforce in Wales

March 2023

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53 Reads

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4 Citations

British Journal of Social Work

The rate of children in care in Wales is one of the highest in the world and has increased considerably in the past two decades. Whilst many factors may be driving these increases, there is considerable variation between local authorities. This article presents findings from a survey completed by children’s social care workers in Wales (n = 792). It compares the views, values and responses to case study vignettes of workers in authorities with increasing to those with decreasing care rates over five years (2016–2020). Statistically significant differences were found relating to the values and the practices of workers, with workers in local authorities with reducing rates having stronger pro-family values, less risk averse responses to case vignettes, more confidence in the decisions made in their local authority and being more positive about support for practice. The findings indicate that variations in local authority values and practices may influence the rate of children in care and that some with significant social problems seem able to avoid the large numbers of children in care found in other authorities. The challenge faced in Wales and the UK is how local authorities can learn from one another to ensure consistency and quality in services.


Fig. 1. Example of the consolidation process. N.B. colours show where sections of the explanatory accounts have been consolidated into the consolidated explanatory account (top left).
Fig. 2. Programme theory for Pathways A, B and C.
Fig. 3. Programme theory for Pathway D. CPS-Child Protection Services.
How might changes to family income affect the likelihood of children being in out-of-home care? Evidence from a realist and qualitative rapid evidence assessment of interventions

October 2022

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103 Reads

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8 Citations

Children and Youth Services Review

Interventions that change family income include any policy or practice that directly or indirectly changes the amount of money a family have. Although theory regarding the relationship between poverty and child maltreatment is well established, theories of how family income change affects the likelihood of children being in out-of-home are not well developed. This realist rapid evidence assessment provides an overview of the process of how interventions that change family income affect the rate of children in out-of-home care. The study population is families at risk of their children entering care and families whose children are in care and are pursuing reunification. Ten studies were identified from an earlier scoping review. Intervention effect results are described and qualitative evidence about mechanisms and moderators is presented as an initial “programme theory”. The review makes an initial suggestion of four pathways through which a change in family income can alter the risk of child abuse and neglect and thus affect the rate of children in out-of-home care. These are: 1) the impact of employment; 2) changes to the home environment; 3) risk/prevention of homelessness; 4) building trusting relationships with social workers. National or local policies which increase a family’s income, for instance through tax and benefits regimes or the provision of free childcare, could potentially reduce the rate of children in out-of-home care. There is also a role for social workers in providing direct material help to families. More work is needed to develop intervention theories and better understanding of the process of using material resources to help families at risk of their children being in out-of-home care.


Why does systemic supervision support practitioners’ practice more effectively with children and families?

August 2022

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412 Reads

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9 Citations

Children and Youth Services Review

The importance of supervision for social work practice is widely accepted. This paper focuses on one type of supervision: systemic group supervision or “systemic supervision”. Systemic social work practice is generally a group-based, multi-disciplinary model of service delivery that aims to work therapeutically with the whole family. Central to this model is the use of systemically-informed group supervision. This has been shown to impact positively on the quality of direct practice with families, but what is it about this type of supervision that supports frontline practitioners to practice more skillfully? This paper is based on interviews with 49 frontline staff across five children’s services departments in the UK. It identifies the key features of systemic supervision and explores why workers think that developing shared understandings of risk to children supports them to intervene more effectively with families in contact with children’s services. These findings contribute to a growing body of knowledge about the practice shaping function of supervision within child and family social work.


Interview theme structure. Source: Authors
Initial programme theory. Source: Authors
How are policies implemented in children's services? Developing an initial programme theory to evaluate the implementation of the new Child Sexual Exploitation guidance in Wales

July 2022

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8 Reads

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9 Citations

Although children's social care is an area rich in guidance, there is very little research looking at the implementation of new policies in the United Kingdom. In this article, we report on the first stage of a realist evaluation of the implementation of the new Safeguarding Children from Child Sexual Exploitation guidance in Wales. We discuss the development of an initial programme theory, for which we conducted semi‐structured interviews with practitioners and managers in three local authorities. We developed programme theories across three areas: policy nature and development, implementation plans and organizational context. Findings suggest that, for policies to produce a significant impact on practice, they need to be sufficiently different to social workers' current perceptions of practice. Second, we found that the coordination between national and local policies is critical for successful implementation as contradictions between them might lead to confusion in what local teams should prioritize. Finally, our findings highlight the importance of effective communication of policy changes, as well as a supportive organizational culture to strengthen implementation in local contexts. These findings illustrate the complexity of policy implementation and the need for policymakers to consider the meaningful involvement of local practitioners in national policy development.


Citations (56)


... The new approach was closely based on the Family Safeguarding Model, implemented by Hertfordshire County Council in 2015. This model has had positive impacts on child outcomes according to two independent evaluations commissioned by the Department for Education, as part of the Children's Social Care Innovation Programme (Forrester et al., 2017;Rodger et al., 2020). ...

Reference:

The impact of a new approach to family safeguarding in social care: Initial findings from an analysis of routine data
Family Safeguarding Hertfordshire: Final evaluation report

... Particularly in cases of uncertainty, professionals' individual attitudes can influence decision-making (Yates, 2020). A vignette study of 792 children's social care workers in Wales found that practitioners working in areas with increasing care rates were less likely to be against removing a child at risk from home (Wood & Forrester, 2023). This is problematic as children's access to support may vary dependent on which professional they encounter. ...

Comparing Local Authority Rates of Children in Care: A Survey of the Children’s Social Care Workforce in Wales

British Journal of Social Work

... Studies were conducted by "system level mechanism"-that is, they were grouped not by named intervention-such as Family Group Conferencing-but by ways in which the interventions seemed to work -for example, a facilitated shared decision-making process. This led to nine clusters of studies illustrating possible ways in which the outcome of interest could be achieved (see Wood et al., 2022 for another RRR from this scoping review). One of these clusters of evidence-evaluated meetings that aimed to include families in decision-making to reduce the need for children to be in care. ...

How might changes to family income affect the likelihood of children being in out-of-home care? Evidence from a realist and qualitative rapid evidence assessment of interventions

Children and Youth Services Review

... RGIs encompass a range of approaches, underpinned by differing theoretical perspectives. Systemic group supervision (SGS)-which, unlike other RGIs, often replaces rather than supplements one-to-one supervision (Wilkins et al. 2018)-is based on systemic thinking, prioritizing exploration of the dynamic interaction of familial systems, and promoting curiosity (Bostock et al. 2022). Other RGIs describe themselves as group supervision, though serve as a supplementary form of support rather than a replacement for one-to-one supervision (Julien-Chinn and Lietz 2019). ...

Why does systemic supervision support practitioners’ practice more effectively with children and families?

Children and Youth Services Review

... He suggested that there is a need for a possible functional convergence among child welfare systems with moderate versions of child protection and family service orientations incorporated within the child development approach. At a policy level, Usubillaga et al. (2022) ascertained that policies must differ from current perceptions of practice. Coordination between national and local policies is critical for successful implementation, and effective communication of policy changes and supportive organizational culture is essential. ...

How are policies implemented in children's services? Developing an initial programme theory to evaluate the implementation of the new Child Sexual Exploitation guidance in Wales

... earlier Fatherhood Institute intervention included all of the above activities, so these have been followed through to ISAFE, with the approach to training being based on Scourfield et al. (2012), namely a two-day programme that combines awareness raising about the importance of engaging fathers with skills training, which uses motivational interviewing for work with children and families, following the work of CASCADE academics (Forrester et al., 2021). There is therefore some empirical support for ISAFE, insofar as it is based on a combination of two previous training and organisational development initiatives that have had some initially favourable evaluation, but the specific combination of elements in the form of ISAFE has not been previously implemented. ...

Motivational Interviewing for Working with Children and Families: A Practical Guide for Early Intervention and Child Protection
  • Citing Book
  • July 2021

... The first area of limitation within existing research concerns the paucity of evidence of effective school-based interventions for this population, alongside limited assessments of context or programme theory and a failure to consider the diversity of care placements MacDonald et al. 2024). Moreover, there is a dearth of understanding of how educational systems might work with health and social care systems to implement evidence-based approaches (Westlake et al. 2022), particularly at key educational transition points, including support for post-16 education (Geiger and Beltran 2017;Mannay et al. 2017;Bayfield 2023). ...

The SWIS trial: Protocol of a pragmatic cluster randomised controlled trial of school based social work

... This knowledge is likely to play a role in the different trajectories experienced by the two study groups on referral to SCHs. Overall, it can be argued that the most secure settings for children referred for welfare reasons in England feel unable to offer accommodation to vulnerable young people displaying such violent and socially dangerous behaviours, as they feel they do not have the capacity to meet and address their needs (Williams et al., 2022). ...

Even Secure Children’s Homes Won’t Take Me. Children Placed in Alternative Accommodation
  • Citing Article
  • March 2022

Residential Treatment for Children & Youth

... In health, 156 medical practices were flagged up to be unsafe or ineffective in a study funded by the Australian Department of Health and Ageing (Elshaug et al, 2012). Conversely, we may have the opposite problem: all interventions seem to work equally well -the so-called 'dodo bird effect', discussed in more detail later in this chapter (Forrester, 2015). ...

What works in helping people and why?
  • Citing Article
  • May 2013

Social Work and Social Sciences Review

... Current estimates indicate that approximately 83,000 children (including adoptions) in the UK, 16,000 in Australia, and 391,000 in the USA will sleep in foster care on any given night (Australian Institute of Health and Welfare, 2024; Department of Education, 2023; U.S. Department of Health and Human Services et al., 2022). Some jurisdictions (for example, Victoria Australia) accredit foster carers separate to individuals hoping to adopt or keep a child permanently (Stabler et al., 2022). Other jurisdictions (such as in the UK and USA) however promote converting foster care placements to permanent arrangements, but these often fail to eventuate (Coakley & Berrick, 2008). ...

A scoping review of system-level mechanisms to prevent children being in out-of-home care

British Journal of Social Work