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Single case experimental design (SCED) has a long, well‐respected tradition in evaluating the effectiveness of behavioural interventions for people with learning disabilities and challenging behaviours. However, shift the focus to other psychological modalities (such as psychodynamic psychotherapy) or differing presenting problems (such as interpersonal problems) and the use of SCED methodologies is severely curtailed. This paper describes the application of SCED methodologies in the evaluation of treatment of three clients: the psychodynamic psychotherapy of hypochondriasis in an A/B design, psychodynamic psychotherapy of ambulophobia in an A/B design, and cognitive‐behavioural therapy of anger and aggression in a shifting criterion design. Visual and statistical analysis of the time series data revealed that the hypochondriasis and the anger cases responded to treatment, whereas the ambulophobia case showed some deterioration during the intervention. The cases are discussed in terms of the strengths and weaknesses of the methodologies applied and the relative merits of accruing SCED evidence in the evaluation of the plethora of psychological modalities now being made available to learning disabled clients.

The purpose of this paper is to investigate the body-mind problem from a mathematical invariance principle in relation to personality dynamics in the psychological and the biological levels of description.

The relationship between the two mentioned levels of description is provided by two mathematical models as follows: the response model and the bridge model. The response model (an integro-differential equation) is capable to reproduce the personality dynamics as a consequence of a determined stimulus. The invariance principle asserts that the response model can reproduce personality dynamics at the two levels of description. The bridge model (a second-order partial differential equation) can be deduced as a consequence of this principle: it provides the co-evolution of the general factor of personality (GFP) (mind), the it is an immediate early gene (c-fos) and D3 dopamine receptor gene (DRD3) gens and the glutamate neurotransmitter (body).

An application case is presented by setting up two experimental designs: a previous pilot AB pseudo-experimental design (AB) pseudo-experimental design with one subject and a subsequent ABC experimental design (ABC) experimental design with another subject. The stimulus used is the stimulant drug methylphenidate. The response and bridge models are validated with the outcomes of these experiments.

The mathematical approach here presented is based on a holistic personality model developed in the past few years: the unique trait personality theory, which claims for a single personality trait to understand the overall human personality: the GFP.

The purpose of this single-case experimental design paper is to examine the efficacy of the high-dosage Life Minus Violence – Enhanced (LMV-E) programme with a small sample of four violent women in custody. All participants were undertaking LMV-E as one component of their treatment pathway in an Offender Personality Disorder (OPD) treatment service for women with personality disorder. The methodology employed an AB baseline design with a six-month baseline period, nine-month treatment period and six-month follow-up. Levels of direct and indirect aggression were recorded throughout the baseline, intervention, and follow-up period. In the follow-up period, women were engaging in further treatment. Psychometric measures linked to treatment domains were used to explore clinically significant and reliable change following the intervention. Clinical and reliable change was indicated in some treatment domains for each participant following the intervention. The pattern of these reductions varied between the women. The patterns of findings are discussed and recommendations presented.

The methodology employed an AB baseline design with a six-month baseline period, nine-month treatment period and six-month follow-up. Levels of direct and indirect aggression were recorded throughout the baseline, intervention and follow-up period. In the follow-up period, women were engaging in further treatment. Psychometric measures linked to treatment domains were used to explore clinically significant and reliable change following the intervention.

Clinical and reliable change was indicated in some treatment domains for each participant following the intervention. The pattern of these reductions varied between the female offenders. The patterns of findings are discussed and recommendations presented.

The LMV-E programme was associated with some positive improvements in treatment domains measured in a small sample of female violent offenders. Improvements to some degree were most commonly found in the domains of anger, emotional control and components of criminal thinking. It would be clinically useful to examine characteristics of individuals that appear to benefit most from particular interventions.

There are no existing published findings related to the implementation of LMV-E with females. Therefore, this paper provides preliminary contribution to the evidence base in this area.

This article seeks to help senior local policy‐makers, managers and practitioners in children's services to develop robust but realistic and manageable strategies for measuring outcomes in a multi‐disciplinary context. Drawing on orthodox research methods, it sets out strategies for measuring outcomes in children's services at individual child, service and community levels. It is intended to show how, in a given local jurisdiction, different approaches to measuring outcomes could fit together logically and within a reasonable budget, so creating an outcome culture and contributing to the development and integration of services. The principles outlined would also apply to adult services.

The novel coronavirus and associated mitigation efforts have produced barriers to accessing services for adults with intellectual disabilities. This paper aims to evaluate the impact of Covid-19 on access to psychological services. The paper evaluates monthly referral rates and psychological distress scores for service users awaiting therapy.

A quantitative service evaluation was completed in a psychology service based in the North of England which specialises in supporting adults with intellectual disabilities. A single case experimental design was used to examine the impact of events in March 2020 on referral rates. Descriptive statistics and effect size calculations were used to examine the impact of prolonged waiting times on psychological distress scores.

Referral rates were examined comparing a 5-year rolling average monthly referral rate for the 12 months prior to March 2020 with the 12 months following. Findings demonstrate that events starting in March 2020 have had a considerable impact on referral rates and rates have not recovered. Eight service users were contacted to determine the impact of prolonged waiting times with results demonstrating increases in psychological distress of large effect size.

This is the only paper the authors are aware of examining the impact of the coronavirus on access to services and psychological distress for adults with intellectual disabilities. It is hoped that these findings will be able to inform both policy and practice as services continue to navigate the pandemic.

Users’ role in co-designing products has changed: from influencing outcomes to influencing development/design; from standardizing to customising products/outcomes; from participating to engaging designers/developers. Although this participatory design (PD) approach makes users’ role more prominent it has been under-utilised for the technological development of products for people with neurodevelopmental disabilities (NDD). The purpose of this paper is to present a responsible research and innovation example, in conversation skills training for people with autism, using virtual reality (VR).

The PD approach was adopted during the iterative development of the virtual world and training materials. Multiple baseline design was utilised consisting of three participants on the mild/moderate end of the autism spectrum. Participants joined 15–16 sessions over four phases of structured conversations, delivered both face-to-face and virtually.

The feedback sessions revealed that the participants felt VR has the potential in providing training for people with autism spectrum disorders. Moreover, they thought delivering the training in three formats could enhance their learning, since PowerPoints, videos and chatbot would represent teaching, showing and practicing, respectively.

PD promotes a “one-size-fits-one approach”, cultivating agile, inclusive, responsive design approaches for people with NDDs, so that outcome meets their needs and preferences, while VR training allows for a wider implementation, benefiting a wider range of learners.

The RRI approach increases the inclusion of people with disabilities in the decision-making process through dialogue with “experts”, making their role more visible, fostering an ethical and sustainable innovation process, leading to more desirable outcomes.

Computer-assisted instruction (CAI) has been used to combat reading challenges, namely reading accuracy and rate for learners with intellectual, developmental and learning disabilities (IDLD). Whilst most reading CAI effectiveness has been studied in English, other transparent languages have less evidence. This study provides a systematic review and meta-analysis of CAI effectiveness for transparent language reading for K-3 learners with IDLD.

This study systematically reviews academic peer-reviewed studies from 2010 to 2023 with either randomised controlled treatment (RCT) or single-case treatments. Articles were searched from the ACM Digital Library, Google Scholar, IEEE Xplore, ERIC, PsychINFO and Science Direct databases, references and systematic review articles. Reading component skills effect sizes were computed using the random effect sizes model.

11 RCT studies of reading CAI for transparent languages with 510 learners with IDLD were found. A random effect sizes (Cohen’s d) of CAI on individual reading component skills were d = 0.24, p-value = 0.063 and confidence interval (CI) 95% (−0.068–0.551) for phonics and phonemic awareness d = 0.41, p-value = 0.000 and CI 95% (0.175–0.644). Given an average intervention dosage of 1.8 h weekly for a maximum of 16 weeks, CAI had better retention with d = 1.13, p-value = 0.066 and CI 95%(−0.339–2.588). However, these results must be interpreted with a concern of only using published studies.

The study contributes to quantitative CAI effectiveness for transparent language reading components for learners with IDLD.

This paper aims to provide practitioners with a brief but comprehensive review of the current evidence base for psychological treatment approaches used in the UK that may be useful for stalking therapies.

A rapid evidence assessment was conducted on papers (post the UK Protection from Harassment Act, 1997) that discuss treatments of stalking (with or without a conviction) and associated offences/disorders. Therapies reviewed were Acceptance and Commitment Therapy, Cognitive Analytic Therapy, Cognitive Behavioural Therapy, Dialectical Behaviour Therapy and Schema Therapy. Searches for Mentalization-Based Therapy and Psychodynamic Therapy in relation to stalking were also performed but yielded no results that met inclusion criteria.

There is currently a severely limited evidence base for the efficacy of the psychological treatment of stalking behaviours. Some interventions show promise although a multifaceted, formulation-based approach is likely to be required.

Future research would benefit from robust studies focused on stalking with long-term efficacy follow-ups.

To the best of the authors’ knowledge, this is the first rapid evidence review of psychological treatments that directly address stalking behaviour.

The randomised control trial is regarded as the gold standard among the methods used in treatment outcome studies, whatever the treatment. This method imposes the highest level of control over other factors that may influence outcome so that the true effects of the treatment can be tested. In this paper the key features of an RCT are examined, along with potential challenges that emerge when applied to evaluations of psychotherapeutic interventions with people who have learning disabilities.

Identifies some of the difficulties which mental health agencies have in evaluating their services, particularly those involving care of elderly patients. Describes a project conducted in a large psychiatric hospital where the concern was to maintain standards during the process of retraction. Describes the impact of the project on staff involved.