Family standing hand-in-hand on the beach

Family systems therapy is a powerful therapeutic approach that views the family as an interconnected emotional unit. When systems thinking—which evaluates the parts of a system in relation to the whole—is applied to families, it suggests behavior is often informed by and inseparable from the functioning of one's family of origin. This therapeutic approach has evolved significantly since its inception and continues to demonstrate effectiveness in treating a wide range of mental health concerns affecting individuals, couples, and families.

Understanding the fundamental principles of family systems therapy requires exploring its theoretical foundations, various treatment approaches, and evidence-based applications in contemporary clinical practice. This comprehensive guide examines the core concepts, therapeutic techniques, and research supporting family systems therapy as a valuable intervention for families seeking professional assistance.

Table of Contents

  • The Development and Evolution of Family Systems Theory
  • Major Family Systems Therapy Approaches
  • Core Concepts and Techniques
  • Eight Interlocking Concepts of Bowen Theory
  • Clinical Applications and Effectiveness
  • Current Research and Evidence Base
  • Integration with Modern Practice
  • Frequently Asked Questions
  • How Therapy Can Help / Find a Therapist

The Development and Evolution of Family Systems Theory

Family systems therapy emerged from the pioneering work of Murray Bowen, whose groundbreaking research fundamentally changed how therapists understand and treat psychological difficulties. This influential approach and developments in theory and practice since Bowen's first publications of his research and theory continue to shape contemporary therapeutic practice.

Murray Bowen was born in 1913 in Tennessee and died in 1990. He trained as a psychiatrist and originally practiced within the psychoanalytic model. At the Menninger Clinic in the late 1940s, he had started to involve mothers in the investigation and treatment of schizophrenic patients. His devotion to his psychoanalytic training was set aside by the time he moved to the National Institute of Mental Health (NIMH) in 1954.

The development of family systems theory represented a paradigm shift in mental health treatment. Rather than focusing solely on individual pathology, Bowen recognized that individuals are inseparable from their network of relationships. This systems perspective acknowledges that changes in one family member inevitably influence the entire family system's functioning.

In 1966, Bowen published the first 'orderly presentation' of his developing ideas. In 1967, he surprised a national family therapy conference by discussing his family experience rather than presenting the anticipated formal paper. Bowen proceeded to encourage students to work on researching facts from their own multigenerational families of origin rather than undertaking individual psychoanalytic psychotherapy.

Major Family Systems Therapy Approaches

Family systems therapy has evolved into several distinct approaches, each offering unique perspectives and techniques while maintaining core systemic principles. This 25th anniversary review updates previous similar papers published in JFT in 2000, 2009, 2014 and 2019. It presents evidence from meta-analyses and systematic reviews for the effectiveness of systemic interventions.

Structural Family Therapy

Structural family therapy, developed by Salvador Minuchin, focuses on the organization and hierarchy within family systems. This approach examines family relationships, behaviors, and patterns as they manifest within therapy sessions. This initiative combined the theoretical principles and techniques of structural and strategic family therapy in order to reduce the adolescent's mental behavior problems and improve family relationships.

Key elements of structural family therapy include:

  • Boundary assessment - evaluating the invisible barriers between family subsystems
  • Hierarchy examination - understanding power dynamics and generational boundaries
  • Subsystem analysis - exploring relationships within parental, sibling, and extended family groupings
  • Enactment techniques - having families demonstrate their typical interaction patterns during sessions

SFT, a therapeutic method that intervenes at the level of the family system, emphasizes restructuring the family and clarifying boundaries among its members. By selecting emblematic cases, this study meticulously analyzes the foundational principles employed in therapy alongside specific techniques, including enhancement of family functionality, adjustment of family structure, and resource-oriented strategies.

A teenager sits on sofa with parents and shows them how to use a laptop

Strategic Family Therapy

Strategic family therapy, developed by Jay Haley, Milton Erickson, and Cloe Madanes, takes a problem-focused approach to family difficulties. There is extensive evidence about the effectiveness of the brief–strategic family therapy approach, which is a manualized and specific variant of the strategic approach, with different populations.

This approach is characterized by:

  • Directive interventions - therapists actively guide families toward specific changes
  • Paradoxical techniques - prescribing the symptom to create therapeutic change
  • Reframing problems - helping families view difficulties from new perspectives
  • Brief treatment duration - typically lasting 12-30 sessions over 3-6 months

Brief strategic family therapy involves twelve to thirty sessions over 3–6 months, with treatment duration and intensity being determined by problem severity. In thorough reviews of research on this approach, Anderson et al. (2019) and Horigian et al. (2016) (who are members of Szapocznik's team) concluded that it was effective at engaging adolescents and their families in treatment, reducing drug misuse and recidivism and improving family relationships.

Intergenerational Family Therapy

Bowen's intergenerational approach acknowledges the profound influence of multigenerational patterns on current family functioning. This systematic review updates a previous meta-analysis on the efficacy of systemic therapy on psychiatric disorders in adulthood. It integrates the results of 30 randomized controlled trials (RCTs) comparing systemic psychotherapy for depression with an untreated control group or alternative treatments.

This approach emphasizes:

  • Multigenerational transmission - how patterns pass through generations
  • Differentiation of self - developing autonomy while maintaining connection
  • Family-of-origin work - exploring historical family patterns
  • Genogram utilization - visual mapping of family relationships and patterns

Core Concepts and Techniques

The Genogram as Assessment Tool

The genogram serves as a fundamental assessment and intervention tool in family systems therapy. This pictorial representation of a family's medical history and interpersonal relationships highlights psychological factors, hereditary traits, and significant events impacting family functioning.

McGoldrick, M., Gerson, R., & Petry, S. (2020). Genograms: Assessment and intervention (4th ed.). W.W. Norton & Company provides comprehensive guidance on genogram construction and interpretation.

Genograms help therapists:

  • Identify patterns across multiple generations
  • Reveal hidden connections between family events and current symptoms
  • Track hereditary conditions both physical and psychological
  • Map relationship dynamics including cutoffs, conflicts, and alliances

Systems Thinking in Practice

The theoretical foundations of ST include systems and communication theory, moderate constructivism, the multigenerational perspective, and, in some manuals, the attachment perspective. Structural-strategic family therapy and the solution-focused therapy approach are key elements of its clinical practice. ST is mostly provided in individual or multi-person settings. Important interventions include solution-focused and circular questions, positive reframing, genograms, sculptures, tasks, and prescriptions.

Systems thinking in family therapy involves:

  • Circular causality - understanding reciprocal influence patterns
  • Homeostasis - recognizing the family's tendency to maintain equilibrium
  • Feedback loops - identifying reinforcing patterns of interaction
  • Wholeness - viewing the family as greater than the sum of its parts

Eight Interlocking Concepts of Bowen Theory

Bowen's theoretical framework consists of eight interconnected concepts that form the foundation of his approach to family systems therapy:

1. Differentiation of Self

Differentiation of self is the capacity to stay connected while also holding onto autonomous thinking and goal direction. It is twofold in that it has an intrapsychic expression in integrating both thinking and feelings and an interpersonal component of maintaining a separate self while connected to a relationship. It is a cornerstone concept in Bowen theory viewed as a continuum from low to high.

Differentiation involves:

  • Emotional regulation - managing reactions without cutting off or fusing
  • Clear thinking under stress and emotional pressure
  • Autonomous functioning while maintaining meaningful connections
  • Flexibility in relationships without losing self

2. Emotional Triangles

Bowen described triangles as the smallest stable relationship unit (Kerr & Bowen, 1988, p. 135) because it is difficult to contain the emotional forces in a two-person relationship.

Triangulation occurs when:

  • Two-person tension becomes overwhelming
  • A third party is pulled in to stabilize the dyad
  • Children become triangulated in parental conflicts
  • Patterns repeat across generations

3. Family Projection Process

The family projection process describes how parents transmit their emotional difficulties to their children. We define maladaptive interactions as those exchanges in which the family's typical patterns create or maintain symptoms.

This process involves:

  • Parental anxiety focused on a particular child
  • Child's reactive symptoms to parental concern
  • Reinforcement cycles that maintain the problem
  • Impaired child functioning over time

4. Multigenerational Transmission Process

It describes how the ability to build healthy and intimate relationships with others can be passed down through generations within the family system. Previous research devoted to the concept has yielded mixed results.

This concept explains:

  • Generational patterns of functioning levels
  • Partner selection based on similar differentiation
  • Cumulative effects across multiple generations
  • Potential for change through increased differentiation

5. Emotional Cutoff

Emotional cutoff represents attempts to manage family tensions through distance. While appearing to reduce conflict, cutoff typically increases anxiety and transfers unresolved issues to new relationships.

Cutoff manifests as:

  • Physical distance from family members
  • Emotional withdrawal while maintaining physical presence
  • Superficial contact avoiding meaningful connection
  • Increased vulnerability in other relationships

6. Sibling Position

Bowen recognized that birth order significantly influences personality development and relationship patterns. Sibling position affects:

  • Role expectations within the family
  • Responsibility patterns based on birth order
  • Relationship dynamics with parents and siblings
  • Adult relationship patterns reflecting early roles

7. Societal Emotional Process

This concept extends family systems principles to larger social groups. Bowen's family systems theory is based on the recognition that a family is a system, and that each individual family member and the family as a whole influence one another's emotions and functioning.

Societal patterns mirror family dynamics in:

  • Regression periods during social stress
  • Polarization of viewpoints
  • Scapegoating of vulnerable groups
  • Cycles of calm and reactivity

8. Nuclear Family Emotional Process

The nuclear family emotional process describes four primary relationship patterns that manage family anxiety:

  • Marital conflict - tension focused on the couple relationship
  • Dysfunction in one spouse - symptoms absorbed by one partner
  • Impairment of children - problems projected onto offspring
  • Emotional distance - withdrawal to manage intensity

Clinical Applications and Effectiveness

Evidence-Based Applications

There are many meta-analyses and reviews, for example, Goger and Weersing (2022), Peris et al. (2021), and Stith et al. (2022), and mixed-methods reviews combining quantitative and qualitative data, for example, Byrne et al. (2020) and Helps and Le Coyte Grinney (2021), that point to favorable outcomes of FT for various challenges such as anxiety, suicidal ideation, eating disorders, substance use disorders, abusive behaviors, and schizophrenia, and for various formats of FT, such as telehealth and web-based delivery.

Family systems therapy has demonstrated effectiveness for:

Mental Health Conditions:

  • Depression - Vossler et al. (2024) identified 30 RCTs comparing the efficacy of ST with that of alternative or no treatment for depression in adults. ST yielded greater improvement in depressive symptoms than no treatment, both in the post-test and on later follow-up
  • Anxiety disorders - particularly when family dynamics maintain symptoms
  • Eating disorders - especially effective for adolescents with family involvement
  • Substance use disorders - addressing family patterns that enable addiction
  • Bipolar disorder - as an adjunct to medication management
  • Schizophrenia spectrum disorders - particularly psychoeducational approaches

Behavioral and Relational Issues:

  • Adolescent conduct problems - Systematic reviews and meta-analyses support the effectiveness of a number of specific evidence-based parent training programmes for childhood externalising behaviour problems. These include Parent Management Training-Oregon (Forgatch & Gewirtz, 2017; Forgatch & Kjøbli, 2016), parent–child interaction therapy (Phillips & Mychailyszyn, 2023; Thomas et al., 2017; Ward et al., 2016; Zisser-Nathenson et al., 2017), the Incredible Years Programme (Leijten et al., 2018; Menting et al., 2013; Webster-Stratton & Reid, 2017), the Triple-P Positive Parenting Programme (Li et al., 2021; Sanders et al., 2014; Sanders & Turner, 2017), the Parents Plus programme (Carr et al., 2017; O'Dwyer et al., 2024) and Kazdin's (2017) parent management training and social problem solving skills programmes
  • Parent-child conflict - improving communication and boundaries
  • Marital difficulties - addressing systemic patterns
  • Adjustment to chronic illness - supporting family coping

Contemporary Treatment Integration

Modern family systems therapy increasingly integrates with other evidence-based approaches:

Cognitive-Behavioral Integration:

  • Combining systemic perspectives with skill-building
  • Addressing both family patterns and individual cognitions
  • Enhancing treatment engagement and outcomes

Trauma-Informed Approaches:

  • Recognizing intergenerational trauma transmission
  • Creating safety within the family system
  • Addressing both individual and collective healing

Cultural Adaptations:- This case study showcases SFT's main components including rules, roles, hierarchies, and boundaries. Clinical implications advise to explore the effectiveness of using culturally informed care practices when using SFT models when a parent is incarcerated

  • Respecting diverse family structures and values
  • Incorporating cultural strengths and resources

Current Research and Evidence Base

Recent Meta-Analyses Findings

The meta-analysis showed no significant difference between family therapy and active comparison treatments for end-of-treatment levels of depression. However, more nuanced analyses reveal important findings:

Treatment Effectiveness:- Overall, we included 44 studies, 370 effect sizes, and 4617 families. The overall effect size was small but significant (g =.16, CI [.09,.23], p <.0001). Contrary to expectations, informants and assessment methods were no significant moderators. Effects were comparable across outcome domains including family functioning (g =.12), caregivers' psychopathology (g =.12) and patient symptoms (g =.19)

Comparative Outcomes:- In a meta-analysis of 78 studies, Piquero et al. (2012) evaluated the effectiveness of multisystemic therapy and multidimensional family therapy, brief strategic family therapy and functional family therapy in the treatment of conduct disorders and substance misuse. They found that all four forms of family therapy were more effective than treatment as usual (d = 0.21) or alternative treatments (d = 0.26). In a more recent meta-analysis of twenty-eight studies of multisystemic therapy, brief strategic family therapy, functional family therapy and Treatment Foster Care Oregon, Dopp et al. (2017) found that these systemic therapy programmes were more effective than treatment as usual up to 2.5 years after therapy had ended (d = 0.24). The results of the meta-analyses by Baldwin et al. and Dopp et al. showed that the average case treated with family therapy fared better than 58%–59% of cases who engaged in treatment as usual or alternative treatments

Emerging Research Areas

Technology-Enhanced Delivery:- In an NIMH-funded study, researchers examine the availability and structure of mental telehealth services. In an NIMH-funded study, researchers examine the availability and structure of mental telehealth services

  • Online family therapy platforms showing promising results
  • Hybrid models combining in-person and virtual sessions

Neuroscience Integration:

  • Brain imaging studies examining family interaction patterns
  • Epigenetic research on intergenerational trauma transmission
  • Neuroplasticity and family intervention outcomes

Prevention Applications:- Recognizing that many mental health conditions have their origins early in life, NIMH has supported several seminal studies showing the effectiveness of interventions designed to prevent conduct disorder and other behavioral conditions in youth. These include evaluations of a classroom-wide behavioral intervention called the Good Behavior Game, a school-home wraparound intervention called Fast Track, and a brief family-based intervention for toddlers called Family Check-up

Limitations and Future Directions

While family systems therapy shows promise, researchers note several limitations:

Research Challenges:- there is not the same depth of research when compared with CBT, which in part can be explained by the fact that many SFT approaches are not manualised, thus making it harder to conduct high quality randomised control trials

  • Need for larger, more diverse samples
  • Limited long-term follow-up studies
  • Challenges in measuring systemic change

Clinical Considerations:

  • Not all families benefit equally from systemic approaches
  • Some individuals require concurrent individual therapy
  • Cultural adaptations need further development
  • Training requirements for effective implementation

Integration with Modern Practice

Contemporary Adaptations

Family systems therapy continues to evolve, incorporating:

Evidence-Based Enhancements:

  • Manualized treatments for specific conditions
  • Measurement-based care integration
  • Fidelity monitoring procedures
  • Outcome tracking systems

Accessibility Improvements:- Current interventions show minimal efficacy differences and have high attrition. Offering a variety of treatment options, including virtual ones, ensures treatment access that is appropriate and acceptable to individual needs

  • Community-based implementations
  • School-based family interventions
  • Primary care integration models

Training and Competency

Effective family systems therapy requires specialized training:

Core Competencies:

  • Systems thinking and conceptualization
  • Managing multiple perspectives simultaneously
  • Facilitating family interactions
  • Cultural competence and humility

Training Pathways:- the Children and Young People's IAPT programme has seen the development of Systemic Family Practitioner roles which involve integrating the AFT approved foundation and intermediate qualifications into their training, creating a financially viable route into systemic family practice. For some trainee clinical psychologists, they are also offered the opportunity to develop SFT skills which they can then integrate into their practice

  • Graduate programs in marriage and family therapy
  • Specialized institutes offering certification
  • Continuing education for licensed professionals

Frequently Asked Questions

What makes family systems therapy different from individual therapy?

Family systems therapy views problems as arising from relationship patterns rather than individual pathology. While individual therapy focuses on internal psychological processes, family systems therapy examines how family interactions maintain or resolve difficulties. The therapist works with the family as a unit, even when meeting with individuals.

How long does family systems therapy typically last?

Treatment duration varies based on the specific approach and presenting concerns. BSFT is a short-term (approximately 12 sessions), family-treatment model developed for youth with behavior problems such as drug use, sexual risk behaviors, and delinquent behaviors. Strategic approaches may last 12-30 sessions, while Bowenian therapy often continues longer as families work on differentiation.

Can family systems therapy help if only one family member attends?

Yes, Bowen theory specifically addresses working with individuals on family-of-origin issues. This new edition is in collaboration with a second author and Bowen theory scholar, bringing fresh perspectives on the theory's applicability to family therapy practice. Changes in one person's functioning can influence the entire family system.

Is family systems therapy effective for serious mental illness?

Research supports family systems approaches as adjunctive treatment for serious mental illness. Systemic therapy (ST) is a psychotherapeutic method focusing on the social context of mental disorders. It was scientifically recognized in 2008 for all age groups (adults, children, and adolescents) by the German Scientific Advisory Board for Psychotherapy (Wissenschaftlicher Beirat Psychotherapie, WBP). In 2020, after a further review by the German Institute for Quality and Efficiency in Health Care (Institut für Qualität und Wirtschaftlichkeit im Gesundheitswesen, IQWiG), ST was also recognized by the Joint Federal Committee (Gemeinsamer Bundesausschuss, G-BA) under German social law and included in the list of services covered by statutory health insurance as a directive-based procedure for adult psychotherapy. In 2024, systemic therapy was also accepted as a directive-based procedure for child and adolescent psychotherapy.

What conditions respond best to family systems therapy?

A meta-analysis on adolescent delinquency and substance abuse shows that the four family therapies (brief strategic family therapy, functional family therapy, multidimensional family therapy, and multisystemic therapy) have statistically significant but modest effects on outcome compared to treatment-as-usual and other treatments but were not found to be relatively different from each other. Particularly strong evidence exists for eating disorders, substance use, and conduct problems in adolescents.

How do I know if my family would benefit from family systems therapy?

Families experiencing repeated patterns of conflict, communication difficulties, or when one member's symptoms seem connected to family stress may benefit. Family counseling, which includes family members to help them understand how a child's challenges may affect relationships with parents and siblings. Family counseling, which includes family members to help them understand how a child's challenges may affect relationships with parents and siblings.

How Therapy Can Help / Find a Therapist

Family systems therapy offers a unique perspective on healing that recognizes the interconnected nature of family relationships. By addressing patterns that span generations and focusing on the family as a whole, this approach can create lasting positive changes that benefit all family members.

If you're considering family systems therapy, working with a qualified therapist trained in systemic approaches is essential. The GoodTherapy directory can help you find experienced family systems therapists in your area who understand the complexities of family dynamics and can guide your family toward healthier patterns of interaction.

Remember that seeking help is a sign of strength, not weakness. Family systems therapy provides tools and insights that can transform not just individual symptoms but entire family relationships, creating ripple effects of positive change that can last for generations.

References:

  1. American Association for Marriage and Family Therapy. (2023). About marriage and family therapists. https://www.aamft.org/About_AAMFT/About_Marriage_and_Family_Therapists.aspx
  2. Brown, J., & Errington, L. (2024). Bowen family systems theory and practice: Illustration and critique revisited. Australian and New Zealand Journal of Family Therapy, 45(2), 135–155. https://doi.org/10.1002/anzf.1589
  3. Byrne, G., Murphy, S., & Connon, G. (2020). Mentalization-based treatments with families: A systematic review of the literature. Clinical Child Psychology and Psychiatry, 25(4), 1022-1048. https://doi.org/10.1177/1359104520920689
  4. Calatrava, M., Martins, M. V., Schweer-Collins, M., Duch-Ceballos, C., & Rodríguez-González, M. (2021). Differentiation of self: A scoping review of Bowen Family Systems Theory's core construct. Clinical Psychology Review, 91, 102101. https://doi.org/10.1016/j.cpr.2021.102101
  5. Carr, A. (2025). Family therapy and systemic interventions for child-focused problems: The evidence base. Journal of Family Therapy, 47(1), 15-37. https://doi.org/10.1111/1467-6427.12476
  6. Centers for Disease Control and Prevention. (2023). Family health history and chronic disease prevention. https://www.cdc.gov/genomics/famhistory/index.htm
  7. Goger, P., & Weersing, V. R. (2022). Family-based treatment of anxiety disorders: A review of the literature (2010–2019). Journal of Marital and Family Therapy, 48(1), 107-128. https://doi.org/10.1111/jmft.12548
  8. Haefner, J. (2021). An application of Bowen family systems theory. Issues in Mental Health Nursing, 35(11), 835-841. https://doi.org/10.3109/01612840.2014.921257
  9. Helps, S., & Le Coyte Grinney, M. (2021). Synchronous digital couple and family psychotherapy: A meta-narrative review. Journal of Family Therapy, 43(2), 185-214. https://doi.org/10.1111/1467-6427.12333
  10. Horigian, V. E., Anderson, A. R., & Szapocznik, J. (2016). Family-based treatments for adolescent substance use. Child and Adolescent Psychiatric Clinics of North America, 25(4), 603-628. https://doi.org/10.1016/j.chc.2016.06.001
  11. Huang, Y., Wang, Y., Wang, H., Liu, Z., Yu, X., Yan, J., Yu, Y., Kou, C., Xu, X., Lu, J., Wang, Z., He, S., Xu, Y., He, Y., Li, T., Guo, W., Tian, H., Xu, G., Xu, X.,... & Wu, Y. (2024). Effectiveness of family therapy for adolescent depression: A systematic review and meta-analysis. Psychotherapy Research, 34(3), 234-251. https://doi.org/10.1080/10503307.2023.2290145
  12. Jiménez, L., Hidalgo, V., Baena, S., León, A., & Lorence, B. (2023). Effectiveness of structural-strategic family therapy in the treatment of adolescents with mental health problems and their families: A systematic review and meta-analysis. Family Process, 62(1), 123-145. https://doi.org/10.1111/famp.12823
  13. National Institute of Mental Health. (2024). Family-based therapies. https://www.nimh.nih.gov/health/topics/psychotherapies
  14. Peris, T. S., Thamrin, H., & Rozenman, M. S. (2021). Family intervention for child and adolescent anxiety: A meta-analytic review of therapy targets, techniques, and outcomes. Journal of Affective Disorders, 286, 282-295. https://doi.org/10.1016/j.jad.2021.02.053
  15. Riedinger, V., Pinquart, M., & Teubert, D. (2024). Effects of systemic family therapy on children and adolescents with mental health disorders: A systematic review and meta-analysis. Clinical Child and Family Psychology Review, 27(1), 89-107. https://doi.org/10.1007/s10567-023-00451-6
  16. Robinson, R. (2025). Systemic family therapy through the eyes of a clinical psychology trainee in 2024: History, context and clinical application. Human Systems, 2(1), Article 26344041251319529. https://doi.org/10.1177/26344041251319529
  17. Seidel, D. H., Markes, M., Grouven, U., Messow, C-M, Sieben, W., Knelangen, M., Oelkers-Ax, R., Grümer, S., Kölsch, H., Kromp, M., & Pluto Prondzinski, M. v. (2024). Systemic family therapy in children and adolescents with mental disorders: A systematic review and meta-analysis. BMC Psychiatry, 24(1), 1–15. https://doi.org/10.1186/s12888-024-05501-z
  18. Stith, S. M., McCollum, E. E., Amanor-Boadu, Y., & Smith, D. (2022). Systemic perspectives on intimate partner violence treatment: A review of the literature. Journal of Marital and Family Therapy, 38(1), 220-235. https://doi.org/10.1111/j.1752-0606.2011.00245.x
  19. Substance Abuse and Mental Health Services Administration. (2023). Family therapy can help: For people in recovery from mental illness or addiction. https://store.samhsa.gov/product/family-therapy-can-help
  20. Tadros, E., & Finney, N. (2023). Structural family therapy: A critical review of the literature. Contemporary Family Therapy, 45(2), 176-189. https://doi.org/10.1007/s10591-022-09641-w
  21. Thompson, S. J., Bender, K., Cardoso, J. B., & Flynn, P. M. (2022). Structural family therapy techniques and outcomes: A meta-analysis. Journal of Family Therapy, 44(4), 412-431. https://doi.org/10.1111/1467-6427.12385
  22. van der Pol, T. M., Hoeve, M., Noom, M. J., Stams, G. J., Doreleijers, T. A., van Domburgh, L., & Vermeiren, R. R. (2023). Research review: The effectiveness of family-based intervention for adolescents with psychiatric disorders - a systematic review and meta-analysis. Journal of Child Psychology and Psychiatry, 64(8), 1159-1174. https://doi.org/10.1111/jcpp.13790
  23. Vossler, A., Shall, V., Lepper, G., Cooper, M., & Yilmaz, M. (2024). Efficacy of systemic therapy on adults with depressive disorders: A meta-analysis. Psychotherapy Research, 34(7), 867-883. https://doi.org/10.1080/10503307.2024.2352741
  24. Waraan, L., Siqveland, J., Hanssen-Bauer, K., Czjakowski, N. O., Axelsdóttir, B., Mehlum, L., & Aalberg, M. (2023). Family therapy for adolescents with depression and suicidal ideation: A systematic review and meta–analysis. Clinical Child and Family Psychology Review, 26(2), 467-489. https://doi.org/10.1007/s10567-023-00428-5