Single-case Experiments Research Articles

Artificial Intelligence-Assisted Speech Therapy for /ɹ/: A Single-Case Experimental Study.

This feasibility trial describes changes in rhotic production in residual speech sound disorder following ten 40-min sessions including artificial intelligence (AI)-assisted motor-based intervention with ChainingAI, a version of Speech Motor Chaining that predicts clinician perceptual judgment using the PERCEPT-R Classifier (Perceptual Error Rating for the Clinical Evaluation of Phonetic Targets). The primary purpose is to evaluate /ɹ/ productions directly after practice with ChainingAI versus directly before ChainingAI and to evaluate how the overall AI-assisted treatment package may lead to perceptual improvement in /ɹ/ productions compared to a no-treatment baseline phase. Five participants ages 10;7-19;3 (years;months) who were stimulable for /ɹ/ participated in a multiple (no-treatment)-baseline ABA single-case experiment. Prepractice activities were led by a human clinician, and drill-based motor learning practice was automated by ChainingAI. Study outcomes were derived from masked expert listener perceptual ratings of /ɹ/ from treated and untreated utterances recorded during baseline, treatment, and posttreatment sessions. Listeners perceived significantly more rhoticity in practiced utterances after 30 min of ChainingAI, without a clinician, than directly before ChainingAI. Three of five participants showed significant generalization of /ɹ/ to untreated words during the treatment phase compared to the no-treatment baseline. All five participants demonstrated statistically significant generalization of /ɹ/ to untreated words from pretreatment to posttreatment. PERCEPT-clinician rater agreement (i.e., F1 score) was largely within the range of human-human agreement for four of five participants. Survey data indicated that parents and participants felt hybrid computerized-clinician service delivery could facilitate at-home practice. This study provides evidence of participant improvement for /ɹ/ in untreated words in response to an AI-assisted treatment package. The continued development of AI-assisted treatments may someday mitigate barriers precluding access to sufficiently intense speech therapy for individuals with speech sound disorders. https://doi.org/10.23641/asha.26662807.

Dialectical Behavior Therapy for Reducing Emotional Eating in Emerging Adult Women

Emerging adulthood is a transitional period from adolescence to adulthood characterized by instability in roles and relationships as individuals navigate the demands of higher education, employment, intimate relationships, and self-identity formation. This transition often triggers various negative emotions, such as anxiety, distress, and self-doubt, particularly in women, making them more susceptible to engaging in emotional eating as a means of seeking temporary comfort or distraction. Emotional eating is a mechanism for temporary emotional relief, but feelings of regret or guilt often follow it. Emotion regulation skills are crucial when experiencing negative emotions. This study aims to demonstrate the effectiveness of Dialectical Behavior Therapy (DBT), an intervention designed to enhance emotion regulation skills, in reducing the occurrence of emotional eating among emerging adult women. The study employed a single case experiment design with two 21-year-old female participants experiencing emotional eating. The Emotional Eating Scale (EES) and emotional eating self-recording were used as measurement tools. Each participant received DBT over 7 sessions, each lasting 60-90 minutes. The results indicated that DBT reduced the frequency of emotional eating in both participants, with the effect persisting up to 14 days post-intervention. These findings suggest that DBT is an effective intervention for reducing emotional eating in emerging adult women.

Attachment-Based Family Therapy for Transgender Adolescent with Suicidal Thoughts: A Case Study

Aim: The aim of present study was the application of the Attachment-Based Family Therapy (ABFT) for a transgender adolescent with suicidal thoughts. Methods: Multiple baseline experimental single case study was used as the method of the present study. The population sample is a transgender adolescent (female to male) and his/her parent chosen according to the purposive sampling method. The adolescent completed The Suicidal Ideation Scale (SIS) over the course of the sessions. ABFT was implemented in twenty-seven 90 minute-sessions. Furthermore, visual inspection is applied to analyze and interpret data. Results: The results of this qualitative and step-by-step investigation of the attachment-based family therapy showed that this therapy was effective in significantly reducing the suicidal thoughts in the transgender adolescent. Conclusion: Effective intervention with transgender adolescents and their families can foster a secure attachment relationship. Family therapists may employ attachment-based family therapy to address suicidal tendencies among transgender individuals. This approach also supports families in navigating the transformative journey of their transgender child.

Single case experiment evaluating the effectiveness of an adapted cognitive behavioural therapy intervention for an older adult with a fear of falling

Aim:A single case experiment was carried out for a 77-year-old woman who was referred to the older adult community mental health team for support with anxiety related to a fear of falling.Method:An AB design was implemented, using an adapted cognitive behavioural therapy graded exposure intervention to target her anxiety and fear of falling.Results:There was an overall reduction in the client’s anxiety and an increase in her activity levels.Conclusion:The adapted intervention resulted in decreased anxiety, psychological distress, and a fear of falling and an increase in the frequency of her walking.Consent:The client was provided with information about the purpose of the write up for this case study. She kindly provided informed written consent for the case study to be published within an academic journal. Some demographic details have been amended to protect her identity.

CSP2023: 441 - A series of single-case experiments exploring cryotherapy interventions in semi-professional football players with medial collateral ligament injuries

CSP2023: 441 - A series of single-case experiments exploring cryotherapy interventions in semi-professional football players with medial collateral ligament injuries

Online Autism Literacy to Improve Acceptance of Mothers of Children with Autism Spectrum Disorders

The spectrum of autism developmental disorders is vast and diverse, ranging from mild to severe impairments. If parents lack knowledge about autism, maternal acceptance levels tend to be low. Autism literacy through the internet serves as a medium to provide beneficial, extensive, cost-effective, and easily accessible information and knowledge. This study aims to assess the effectiveness of online autism literacy in increasing maternal acceptance of autistic children. The research utilized a single-subject design, involving only one subject, following the ABA Single-case Experiment Design. The single-case experimental method was employed in this study, where autism literacy intervention was delivered through the website www.careautism.wordpress.com. A Maternal Acceptance Scale was used to evaluate the subject's psychological state before and after the intervention. The research's significance lies in providing empirical evidence on the effectiveness of online autism literacy in enhancing maternal acceptance of autistic children. Visual inspection and descriptive analysis methods were employed for data analysis. The study's results indicate that autism literacy intervention through the internet can improve maternal acceptance of autistic children, with an increased mean score between the baseline and intervention phases.

Behavioral Sleep Interventions for Children with Rare Genetic Neurodevelopmental Conditions: A Retrospective Analysis of Overall Outcomes for 26 Cases

Abstract Objectives Sleep difficulties are highly prevalent among children with rare genetic neurodevelopmental conditions (RGNC) such as Angelman and Smith-Magenis syndromes. Behavioral interventions are commonly used in the treatment of sleep difficulties in children; however, research is limited in children with RGNC. This study evaluated the overall effectiveness and acceptability of function-based behavioral sleep interventions for children with RGNC. Methods Data was collated from a series of experimental single-case research studies with 26 children (18 months to 19 years of age) with a range of RGNC, who received a behavioral sleep intervention. Intervention strategies included circadian (e.g., sleep/wake rescheduling), antecedent (e.g., sleep hygiene), and/or consequence (e.g., positive reinforcement of sleep-conducive behavior and modified extinction) modifications implemented by parents. Clinicians provided support for parents mostly via telehealth methods. Overall outcomes were examined using modified Brinley plots and effect size estimates. The effect of age, gender, and a range of psychological variables on intervention response was also examined. Results Improvements in sleep problem severity were observed for 24/26 participants, and gains were maintained at long-term follow-up for 13/16. Interestingly, 50% of the children achieved clinically significant change with less restrictive strategies (e.g., circadian, antecedent and positive reinforcement strategies), suggesting extinction procedures may be used as the last option in a sequence of interventions. Parents generally perceived interventions to be acceptable. There was minimal evidence of any differential response to intervention as a function of age, gender, or psychological variables. Conclusions Results suggest function-based behavioral interventions offer an effective and socially valid method for treating sleep disturbance in children with RGNC.

Assessing the Psychometric Properties of the Functional Analytic Psychotherapy Intimacy Scale (FAPIS) in a Spanish-Speaking Population

Intimacy is an interpersonal repertoire related to physical and behavioral health indicators. Functional analytic psychotherapy (FAP) is a behavioral intervention that has demonstrated utility in improving intimacy repertoires, particularly in experimental single-case designs. The FAP Intimacy Scale (FAPIS) was developed with the aim of using a theoretically sound measure to evaluate FAP effects on a large scale. This study sought to culturally adapt and validate the FAPIS for Spanish-speaking populations. A total sample of 509 Spanish-speaking participants completed the survey. Exploratory and confirmatory factor analyses were conducted to examine FAPIS psychometric properties. A network analysis was also performed to assess the relation among scale factors. As expected, the FAPIS Spanish version demonstrated a good fit, meeting the same three-factor structure as the original version. Network loading along three factors was also found, and item 3 was identified as the most central item in the scale. Low and negative correlations among FAPIS, experiential avoidance, emotional sensitivity, and social impact were found. Findings showed that FAPIS is a valid and reliable measure for assessing intimacy in Spanish-speaking populations.

The potential role of occupational therapy in the treatment of avoidant/restrictive food intake disorder.

Most individuals with avoidant/restrictive food intake disorder (ARFID) never receive treatment, and treatment needs far exceed the current capacity of mental health services. Occupational therapy (OT) focuses on enhancing function in daily activities, including eating and feeding. Given OT's rich history in mental health and pediatric feeding disorder treatment, we spotlight the potential role of OT in ARFID treatment, current knowledge, and opportunities for future research. Through a preliminary exploratory inquiry involving a review of current literature and clinical practice, we investigated OT's current involvement, knowledge, and interprofessional collaborative practice gaps in ARFID treatment. While many occupational therapy practitioners (OTPs) engage in ARFID treatment, interventions lack rigorous evaluation, and there is limited evidence defining OT's distinct role in interprofessional ARFID treatment. OTPs are uniquely positioned to provide interventions for individuals with ARFID across the lifespan, though research is needed to evaluate the efficacy of OT interventions. Future research suggestions include standardizing OT approaches to ARFID treatment and conducting single-case experiments and randomized controlled trials to compare OT approaches with alternative methods. Recommendations to address practice gaps include enhancing ARFID education for OT students and practitioners and fostering a greater understanding of OT's role on the interprofessional team. PUBLIC SIGNIFICANCE: Individuals with ARFID face barriers to eating that impact their health and function. On a multidisciplinary team, OTPs can treat diverse client populations by identifying and addressing barriers to daily participation, such as physical impairments, trauma history, and environmental barriers. More research is needed to evaluate the efficacy of OT practices in ARFID treatment.

A digital values-based microintervention for chronic back pain patients: lessons learned from a randomised experimental single-case study

BackgroundChronic pain usually lasts several years. During this time, value-oriented aspects of life often fade into the background in favour of coping with the pain, which is associated with a lower quality of life. Psychotherapeutic methods such as Acceptance and Commitment Therapy can alleviate this. However, for those who suffer from chronic pain, access to such therapies is limited. Electronic health interventions provide access to evidence-based methods. The aim of this study was to investigate the effectiveness and feasibility of a brief electronic values-based intervention on patients with chronic back pain.MethodsA study with a replicated AB single-case experimental design was conducted with 28 participants suffering from chronic back pain. Participants answered daily questions concerning their pain intensity and quality of life (wellbeing, pain catastrophising, acceptance of chronic pain, engaged living) for 10 to 17 days. The subsequent mobile intervention on value-oriented activities lasted an additional 10 days. During this time, daily assessments continued. Our analysis was performed using a hierarchical two-level modelling approach as well as visual and descriptive analysis.ResultsThe majority of participants did not measurably benefit from the intervention. Neither model-based inference nor visual analysis indicated plausible intervention effects. The results of one responder and one non-responder are presented. In their qualitative feedback, most participants described being satisfied with the intervention. The perceived usefulness of psychotherapy as a treatment for chronic back pain increased from pre- to post-intervention (p < .001, dz = 1.17).ConclusionsThis study shows that microinterventions for chronic back pain patients are feasible, but should be planned over a longer period of time to enable measurable changes. The electronic mobile format did not cause participants any difficulties.Trial registrationClinicalTrials.gov ID: NCT05205889, date of registration: January 12, 2022.

Which Meditation Technique for Whom? An Experimental Single-Case Study Comparing Concentrative, Humming, Observing-Thoughts, and Walking Meditation

ObjectivesMeditation encompasses a variety of techniques, but little is known on how and for whom they work. This study explored potential mechanisms of four different meditation techniques in beginners and which technique might be suited for whom.MethodUsing an experimental single-case design, we compared the longitudinal effects of concentrative, humming, observing-thoughts, and walking meditation. Forty-four healthy participants without meditation experience were randomly assigned to one of the four techniques and 42 completed the treatment. Following a baseline period of 2 to 4 weeks, participants learned and practiced their technique 20 min daily for 6 to 8 weeks and completed daily online questionnaires throughout the entire study period. At pretest, we assessed participants’ motivation and personality. We analyzed the data visually and by conducting single-case meta-analyses, correlation, and multivariate analyses.ResultsBody awareness, decentering, and emotion regulation improved reliably and continuously over time, for all four techniques. Thus, these processes could represent common mechanisms for novice meditators. Walking meditation led to the smallest improvements in decentering and mind-wandering, but the highest in body awareness and emotion regulation. Individuals varied in response to the treatment. The two “classic” techniques (concentration, observing-thoughts) led to more consistently positive multivariate response patterns and to better responses in participants high in neuroticism. In contrast, those high in extraversion benefitted more from the two unusual ones (humming, walking). We additionally observed interesting interactions with different motivational reasons.ConclusionsWith this study, we hope to contribute to theory building and answering two urgent questions—what the key mechanisms of meditation are and who benefits most from what kind of practice.

Breathy Voice as a Compensatory Strategy for Essential Vocal Tremor: A Single Case Experiment Across Participants

Essential vocal tremor (EVT) manifests as nearly rhythmic modulations of fundamental frequency (fo) and intensity and causes a shaky voice. Although research on behavioral therapy for EVT is limited, previous studies have shown that a breathy voice reduces the perception of simulated EVT and might be an effective compensatory strategy. The current study aimed to measure the acoustical and perceptual effects of a breathy voice strategy in speakers with EVT. A single-case experimental design (SCED) was used to investigate acoustical effects, and a pair comparison listening task was used to investigate perceptual effects. Three participants with EVT matched five different levels of breathiness produced by a computational model. Acoustical analyses of the rate and extent of fo and intensity modulation were performed to estimate EVT severity for baseline and treatment trials. Statistical analyses were completed using Tau-U. Twenty novice listeners participated in the perceptual study to determine if treatment trials sounded less "shaky" than baseline trials. Statistical analyses were completed using one sample ttests. The acoustical effects were variable across different levels of breathiness for all three participants. All participants were able to adjust their levels of breathiness based on auditory models and verbal cues but did not achieve the target levels of breathiness. Listeners did not perceive the breathy trials to be less "shaky" than baseline trials for any level of breathiness. The breathy voice strategy had variable effects on the acoustical measures of EVT, supporting the use of a single-case experimental design to investigate the effectiveness of behavioral treatment for EVT. Listeners perceived breathy trials to be "shakier" than baseline trials, which was inconsistent with our hypothesis and previous studies of EVT. Future research should evaluate the use of a breathy voice in speakers with confirmed laryngeal tremor, optimize cueing for breathiness, and provide more opportunities to practice the breathy strategy.

Testing delayed, gradual, and temporary treatment effects in randomized single-case experiments: A general response function framework

Randomization tests represent a class of significance tests to assess the statistical significance of treatment effects in randomized single-case experiments. Most applications of single-case randomization tests concern simple treatment effects: immediate, abrupt, and permanent changes in the level of the outcome variable. However, researchers are confronted with delayed, gradual, and temporary treatment effects; in general, with “response functions” that are markedly different from single-step functions. We here introduce a general framework that allows specifying a test statistic for a randomization test based on predicted response functions that is sensitive to a wide variety of data patterns beyond immediate and sustained changes in level: different latencies (degrees of delay) of effect, abrupt versus gradual effects, and different durations of the effect (permanent or temporary). There may be reasonable expectations regarding the kind of effect (abrupt or gradual), entailing a different focal data feature (e.g., level or slope). However, the exact amount of latency and the exact duration of a temporary effect may not be known a priori, justifying an exploratory approach studying the effect of specifying different latencies or delayed effects and different durations for temporary effects. We provide illustrations of the proposal with real data, and we present a user-friendly freely available web application implementing it.

The application of logotherapy to improve the meaning of life in emerging adults with self-injury

Self-injury occurs commonly in young people, especially during the development phase of emerging adults. It is seen as a manifestation of existential problems, such as obstacles in fulfilling or pursuing meaning in life which is the most basic human motivation. This study aims to determine the effect of logotherapy as an intervention to increase purpose in life in emerging adults who engage in self-injury. The research utilized a single case experiment A-B design involving two subjects, measuring their level of meaning in life with the Meaning in Life Questionnaire (MLQ). The analysis technique of visual analysis, baseline-corrected tau, and Reliable Change Index (RCI) yielded outcomes indicating logotherapy as an effective intervention option for increasing meaning in life in emerging adults with self-injury.

Sketch and Speak Expository Intervention for Adolescents: A Single-Case Experiment via Telepractice.

This study investigated the effects of Sketch and Speak strategy intervention on expressive and receptive expository discourse for adolescents with language-related learning disabilities (LLD). Three participants completed baseline and twelve 45- to 60-min individual treatment sessions in a multiple-baseline across participants design. In treatment, participants learned to take notes using pictography and conventional bulleted notes, orally generate sentences from their notes, and orally practice full sentences and oral reports. Session tests with varied levels of instructional support were used to collect outcome data on free-recall oral reports, short-answer question responses, and participant notes. A distal, age- referenced expository task and social validity questionnaires were administered pre-/postintervention. Visual and statistical analyses revealed significant effects of treatment on the primary outcome measure of Oral Report Quality and on secondary outcomes of Note Quantity and Quality. There was no significant effect of treatment on Short-Answer Recall questions. Two participants generalized strategies during the treatment phase to independent performance on Oral Reports and one improved on Note Quality. All three participants improved on the distal expository measure. Social validity questionnaires showed participant awareness and buy-in of taught strategies, with potential for generalization at the high school level. These adolescent students benefited from explicit instruction in note-taking strategies and systematic oral practice of expository discourse even within the challenging delivery setting of telepractice. This study provides evidence for the use of Sketch and Speak expository intervention with adolescents with LLD to improve comprehension and expression of grade-level material. https://doi.org/10.23641/asha.23681505.

Eye Movement Desensitization and Reprocessing Therapy in Chronic Fatigue Syndrome: A Single-Case Experiment Testing the Effect on Persistent Negative Evaluation of Fatigue

Background:While cognitive behavioral therapy (CBT) for chronic fatigue syndrome or myalgic encephalomyelitis (CFS/ME) can lead to the normalization of fatigue levels and resumption of activities, a subgroup of patients still evaluates fatigue negatively.Objective:The objective was to investigate whether eye movement desensitization and reprocessing (EMDR) therapy leads to a less negative evaluation of fatigue.Method:This was a randomized single-case experimental study. Five CFS/ME patients (all female, mean age of 35 years), who had completed CBT but still evaluated fatigue negatively, received EMDR therapy. The primary outcome, that is, negative evaluation of fatigue, was assessed daily (three items, e.g., “My fatigue is frustrating”). During EMDR therapy sessions, distress in response to a selected image was measured. Clinical assessments were performed before, directly after, and one month after EMDR therapy.Results:During EMDR therapy sessions, all patients reported high distress related to memories of having CFS/ME. EMDR therapy led to a reduction in this distress. Daily measured negative evaluations of fatigue declined in three patients, albeit not significantly. Three of five patients showed clinically relevant improvement in evaluations of fatigue on clinical pre-/post measures.Conclusion:EMDR therapy can reduce emotional distress associated with fatigue, but it is unclear whether it can change its negative evaluation.

How Does Meditation-Based Lifestyle Modification Affect Pain Intensity, Pain Self-Efficacy, and Quality of Life in Chronic Pain Patients? An Experimental Single-Case Study.

Chronic pain is a growing worldwide health problem and complementary and integrative therapy options are becoming increasingly important. Multi-component yoga interventions represent such an integrative therapy approach with a promising body of evidence. The present study employed an experimental single-case multiple-baseline design. It investigated the effects of an 8-week yoga-based mind-body intervention, Meditation-Based Lifestyle Modification (MBLM), in the treatment of chronic pain. The main outcomes were pain intensity (BPI-sf), quality of life (WHO-5), and pain self-efficacy (PSEQ). Twenty-two patients with chronic pain (back pain, fibromyalgia, or migraines) participated in the study and 17 women completed the intervention. MBLM proved to be an effective intervention for a large proportion of the participants. The largest effects were found for pain self-efficacy (TAU-U = 0.35), followed by average pain intensity (TAU-U = 0.21), quality of life (TAU-U = 0.23), and most severe pain (TAU-U = 0.14). However, the participants varied in their responses to the treatment. The present results point to relevant clinical effects of MBLM for the multifactorial conditions of chronic pain. Future controlled clinical studies should investigate its usefulness and safety with larger samples. The ethical and philosophical aspects of yoga should be further explored to verify their therapeutic utility.

Components of Behavioral Parent Training for Children With Attention-Deficit/Hyperactivity Disorder: A Series of Replicated Single-Case Experiments.

Behavioral parent training (BPT) is an evidence-based treatment for children with attention-deficit/hyperactivity disorder (ADHD). Stimulus control techniques (antecedent-based techniques, e.g., clear rules, instructions) and contingency management techniques (consequent-based techniques, e.g., praise, ignore) are the most common ones that are being taught to parents in BPT. However, research into the additive effects of these techniques is scarce. In this replicated single-case experimental ABC phase design, including six children on stable medication for ADHD (8-11 years) and their parents, the added efficacy of consequent-based techniques on top of antecedent-based techniques was evaluated. After a baseline period (phase A), we randomized the commencement time of two sessions parent training in antecedent-based techniques and two sessions parent training in consequent-based techniques for each child. Children's behaviors were assessed by daily parent ratings of selected problem behaviors and an overall behavior rating. Although visual inspection showed that behavior improved for most children in both phases, randomization tests did not demonstrate the added efficacy of the consequent-based techniques on top of the antecedent-based techniques. Limitations of the study and recommendations for future single-case experiments in this population are discussed.

Evaluation of the Effectiveness of Therapy for Anxiety in Williams Beuren Syndrome Using a Smartphone App: Protocol for a Single-Case Experiment.

Williams syndrome (WS-OMIM 194050, orphaned number: Orpha 904) is a rare condition mostly associated with intellectual disability. People with Williams syndrome are 8 times more likely to have anxiety disorders than the general population. Therapeutic solutions to treat the anxiety remain limited, particularly nonpharmacological therapy. However, cognitive behavioral therapy (CBT) has been found efficacious in managing anxiety disorders and can be used for people with intellectual disability. This paper describes a protocol to assess the efficiency of a CBT program based on digital support for people with Williams syndrome and anxiety based on a research methodology designed for rare diseases. We will recruit 5 individuals with Williams syndrome and anxiety. They will participate in 9 CBT sessions. Participants will perform daily self-assessments of anxiety using a digital app, which will allow for ecological and repeated evaluation of their anxiety. This digital app will provide support for each therapy session. Anxiety and quality of life will be externally assessed before and after the program and at a 3-month follow-up. This is a single-case intervention research design with multiple baselines implying repeated measures of judgment criteria. The present protocol ensures high internal validity and will help identify encouraging contributions for later clinical trials. Participant recruitment and data collection began in September 2019, and we project that the study findings will be available for dissemination by spring 2023. This study will allow the assessment of the efficiency of a CBT program based on digital support to treat anxiety in people with Williams syndrome. Finally, the program could be used as an example of nonpharmacological therapy for rare diseases. ClinicalTrials.gov ID: NCT03827525; https://clinicaltrials.gov/ct2/show/NCT03827525. DERR1-10.2196/44393.

Implementation of a brief online skills group of dialectical behaviour therapy for emotional dysregulation in Latinx: a withdrawal experimental single-case design.

Dialectical behaviour therapy (DBT) skills groups have shown promise as an effective treatment for clients with emotional dysregulation, especially when combined with individual DBT. However, their efficacy is not well established as an online therapy, or in the Latinx population. This study aimed to explore satisfaction, retention and effects of an internet-based DBT group added to individual online sessions. An ABAB withdrawal experimental single-case design was conducted to evaluate the effect of a brief online DBT skills group on emotional dysregulation, anxiety and depression for five Latinx participants. DBT skills group (phase B) were compared with placebo group sessions (phase A) and fortnightly individual DBT sessions were offered throughout to manage risk. Visual inspection showed a decrease in level of emotional dysregulation and a large effect size according to the Nonoverlap of All Pairs when comparing group DBT and placebo phases. Although depression symptoms decreased after introducing group DBT, anxiety indicators decreased most during the second round of group placebo sessions. Whilst only a pilot, this study suggests that online group DBT in Latinx populations is feasible and effective for changing emotional regulation processes but may not effectively target anxiety. Future research might increase the number of DBT sessions in order to enhance learning opportunities and generalization. Replication with larger sample sizes and diverse modalities is needed.