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John Bowlby's Clinical Approach to Attachment and Psychotherapy

Research figure: John Bowlby · Written by Artificial Sapiens

John Bowlby's clinical approach to attachment and psychotherapy treats a person's difficulties in relationships, emotional regulation, separation, and trust as phenomena that can be understood through the history and present organization of attachment and caregiving relationships. Its defining clinical proposal is that a therapist offers a sufficiently dependable relationship—a secure base—from which a patient can examine current expectations of others, recognize the consequences of earlier experiences, and develop more flexible ways of relating. Bowlby articulated this approach most directly in his 1976 Maudsley Lecture, published in two parts in 1977, and developed it further in A Secure Base: Clinical Applications of Attachment Theory (1988). This was an historically influential framework for assessment and psychotherapeutic reasoning, while claims about the effectiveness of particular contemporary treatments require separate clinical trials and systematic reviews. Bowlby (1977a); Bowlby (1977b); Bowlby (1988).

The clinical question Bowlby tried to answer

Bowlby sought to explain why loss, threatened separation, inconsistent availability, rejection, and uncertainty about important relationships sometimes evoke intense fear, protest, anger, despair, withdrawal, or apparently detached behavior. These experiences had long been discussed in psychoanalysis. His distinctive contribution was to interpret attachment as an organized behavioral system with an evolutionary protective function, to emphasize actual interpersonal experiences, and to connect clinical understanding with observations of children and relationships across the lifespan. His framework consequently connected developmental history with the concrete interpersonal events that bring a patient into treatment. Bowlby (1977a); Bretherton (1992).

Within this framework, distress is assessed in context. A recent bereavement, an unstable partnership, prolonged conflict, or a frightening interpersonal event may activate expectations built in earlier relationships. The psychotherapist asks what happened, what the person anticipated, how attachment-related feelings were expressed or inhibited, what help was sought, and how others responded. Bowlby's approach therefore requires both a developmental formulation and a careful account of the present situation; it cannot be reduced to assigning a childhood attachment label to an adult patient. Bowlby (1977b).

Historical origins: from child psychiatry to therapeutic method

Bowlby was trained in medicine, psychiatry, and psychoanalysis, and developed his ideas through clinical work with troubled children and families and research on separation and loss. His Tavistock Clinic work, involvement with child guidance, and exposure to observations of young children during hospital separation helped direct attention to the reality of caregivers' availability and to the lived conditions of care. Those observations generated important hypotheses. They were historically significant clinical evidence rather than randomized trials capable of establishing the effects of a particular therapeutic procedure. The archival context is documented by the Wellcome Collection's John Bowlby papers.

His early psychoanalytic commitments remained visible in the concern with unconscious processes, defenses, conflict, and the therapeutic relationship. Yet he increasingly sought accounts of distress that could be discussed in relation to ethology, cognitive psychology, and systems theory. In the first part of his 1977 lecture he organized anxiety, anger, depression, detachment, and some patterns of personality development around attachment and loss. In the second part he turned to clinical assessment and what a psychotherapist might actually do. Bowlby (1977a); Bowlby (1977b).

The lecture was delivered to the Royal College of Psychiatrists on November 19, 1976, and published in the British Journal of Psychiatry in March and May 1977 as two expanded papers. The archival record preserves the paired publications under the Wellcome Collection. Dating the clinical model to the 1977 articles is more precise than attributing every later attachment-informed intervention directly to Bowlby.

The place of psychoanalysis

Bowlby used the long-term therapeutic relationship as a setting in which a person could explore fear, anger, loyalties, losses, and defensive exclusions of painful information. His reformulation gave events within real caregiving relationships substantial explanatory weight. This made the patient's beliefs about the therapist, fear of abandonment, distrust of reassurance, and expectations of criticism clinically meaningful patterns to investigate. Interpretations remained hypotheses to be explored collaboratively rather than retrospective certainties about childhood. Bowlby (1977b).

In historical terms, his method sits at a junction between psychoanalytic clinical observation and developmental science. His work also drew from collaborators and researchers, including Mary Ainsworth, whose observations and secure-base formulation strengthened the scientific language of attachment, and James Robertson, whose separation studies contributed to the historical problem Bowlby sought to explain. Their contributions have distinct intellectual ownership. Bretherton (1992).

Clinical formulation: attachment, danger, availability, and response

Attachment activation and the search for protection

An attachment behavioral system becomes especially relevant when a person perceives danger, illness, vulnerability, separation, or uncertainty. In Bowlby's account, behavior directed toward establishing or maintaining access to a trusted figure serves a protective function. In clinical assessment, this directs attention to the circumstances in which the patient seeks proximity, reassurance, contact, distance, or protective self-reliance. The clinician investigates patterns rather than assuming that one response has a fixed meaning for every person. Bowlby (1977a).

Adult attachment behavior can appear as repeated reassurance seeking, heightened monitoring of availability, reluctance to request help, attempts to minimize distress, or withdrawal after perceived rejection. These descriptions offer potential directions for assessment; none is a diagnosis by itself, and each can arise from several other psychological or environmental processes. Work demands, interpersonal safety, disability, culture, current trauma exposure, and the actual reliability of close others can alter what a response means in context.

Internal working models and relationship expectations

Bowlby's internal working models describe organized expectations concerning whether significant others are likely to be accessible and responsive and whether the self is likely to receive support. In psychotherapy, these expectations matter because they can shape predictions before the patient has accurately assessed the particular relationship. A delayed message may be read as abandonment; an offer of assistance may be suspected as an attempt to control; dependence may feel dangerous even when a present relationship is safe. The task is to test these formulations against the person's actual experience rather than to infer a fixed inner structure from a brief interview. Bowlby (1988); Bretherton (1992).

These models may show continuity because expectations affect perception, behavior, and reciprocal responses. They are also revisable: relationships, social circumstances, emotional learning, and treatment can produce new information. The explanatory idea is dynamic. A developmental account that treats childhood events as an inescapable destiny is neither a sound clinical formulation nor a justified conclusion from contemporary correlational evidence.

Caregiving and the patient's wider social environment

Attachment is relational. A clinical assessment that attends exclusively to the patient's presumed insecurity risks overlooking harmful conduct by partners, caregivers, institutions, or others. Bowlby's interest in interpersonal history invites the clinician to ask which relationships offer actual protection, where safety has been compromised, and which practical changes could improve current conditions. For children, the wider caregiving network and family ecology are central. Contemporary reassessments explicitly give parent–child and family relationships greater therapeutic weight than the adult-centered model of a single therapist-patient dyad. Wilkinson (2024).

The secure base in psychotherapy

The secure base is the central clinical organizing image of Bowlby's later writing. A therapist establishes a relationship sufficiently trustworthy for the patient to investigate thoughts and feelings that otherwise might be avoided or defended against. Predictable appointments, clarity about confidentiality and its limits, respect for autonomy, responsiveness to rupture, and willingness to examine the therapeutic relationship create the practical conditions in which exploration may become possible. Bowlby placed the therapeutic relationship at the beginning of his tasks, making exploration depend on a credible sense of safety. Bowlby (1977b).

The secure-base proposal is about the function of a relationship. It does not require the therapist to act as a substitute parent or to encourage unlimited dependence. Professional boundaries, informed consent, attention to risk, cultural responsiveness, and the patient's goals remain essential. A therapist may provide stability and collaborative reflection while also helping the patient draw on family, friends, communities, and services outside the therapy room. The therapeutic alliance in modern research includes agreement about goals and tasks as well as the relational bond; this construct overlaps with but is not identical to Bowlby's attachment-specific secure-base concept. Flückiger et al. (2018).

Therapy can also expose difficult attachment expectations. A cancelled session may reactivate experiences of unreliability. A helpful comment may be interpreted as criticism, an agreed boundary as rejection, or a therapist's silence as indifference. These episodes become meaningful when they are discussed without assuming that the patient's interpretation is irrational or that the therapist's behavior was necessarily appropriate. A clinically useful exploration considers both the patient's history and the reality of what occurred.

Bowlby's five interrelated psychotherapeutic tasks

Bowlby's 1977 account and the later exposition in A Secure Base describe five connected therapeutic tasks. They form a clinical rationale rather than a standardized manual with established treatment efficacy. Their order highlights the importance of a dependable working relationship before sustained investigation of personally threatening material. The presentation below paraphrases their clinical meaning rather than reproducing the copyrighted text. Bowlby (1977b); Wilkinson (2024).

First task: establish a reliable base for exploration

The therapist provides a trustworthy, supportive working relationship. This relationship permits attention to painful experiences and uncertainty while retaining the patient's freedom to evaluate interpretations. A secure base develops through consistent practice and mutual understanding, rather than through a therapist's assertion that the setting is safe. The clinician remains alert to current risk, including coercion or violence in the person's environment, because an interpretive framework cannot substitute for immediate safeguarding when it is needed.

Second task: examine relationships in everyday life

The patient is encouraged to examine relationships with partners, family members, friends, children, and other significant people. The discussion may reveal recurrent expectations, choices, fears, and responses, including attempts to secure reassurance, to avoid dependence, or to withdraw from conflict. The clinician asks what a behavior accomplished in its circumstances, which interpersonal threats were real, and which interpretations may be open to revision. This attention to current relationships gives the exploration a concrete basis and avoids reducing all problems to remote childhood events.

Third task: explore the relationship with the therapist

The therapist-patient relationship provides live material for exploring expectations of responsiveness, misunderstanding, rejection, and repair. The patient may anticipate that the therapist will criticize, abandon, intrude, or remain inaccessible. Such expectations can be discussed alongside the therapist's actual behavior and the therapeutic setting. Careful work with misunderstandings can clarify old expectations while also making space for genuine feedback about clinical mistakes, cultural differences, and unhelpful treatment decisions. Bowlby (1977b).

Fourth task: consider developmental origins of expectations

The clinician helps the patient explore how relationships with parents and other important caregivers may have shaped expectations of self and others. The patient may recall dependable care, threatened rejection, inconsistency, violence, bereavement, or obligations to protect caregivers. These recollections are interpreted in the light of current understanding and their evidential limitations. Memory is reconstructive; clinical plausibility alone cannot establish precisely what happened, and no attachment theory warrants pressuring a person to recover assumed memories. The aim is to understand possible links among experience, expectation, and behavior, not to prove an undocumented historical narrative.

Fifth task: revise models and experiment with alternatives

Bowlby's fifth task concerns recognizing how expectations developed in earlier relationships may distort judgments or restrict present choices, and creating room for more accurate, flexible approaches. A patient might learn to distinguish current evidence of rejection from familiar anticipation of rejection, or to ask for assistance without treating the request as proof of weakness. Change may involve new interpersonal experiences, clearer boundaries, practical safety, and the capacity to tolerate uncertainty. It takes place through active collaborative work rather than through a therapist imposing a preferred attachment identity. Wilkinson (2024).

A clinical example: a relationship difficulty as a working hypothesis

Consider a fictional adult who becomes intensely alarmed when a partner is late responding to messages. An attachment-informed formulation asks when the alarm begins, what consequences the person anticipates, how often the partner actually fails to respond, whether present behavior warrants concern, how the person communicates distress, and what happened in relationships where help was needed. The clinician explores possible earlier experiences of unpredictability, while simultaneously considering anxiety symptoms, recent stress, trauma exposure, and the present partner's conduct.

Within therapy, the patient may fear that the therapist's delayed response after an appointment carries the same meaning. Discussing that incident provides an opportunity to clarify practical arrangements, examine the patient's interpretation, and consider whether the response belongs partly to an established expectation. The approach does not require the clinician to diagnose an attachment disorder, declare a unique childhood cause, or dismiss a legitimate concern. The example illustrates clinical reasoning rather than demonstrating a validated treatment protocol.

Defensive exclusion, painful information, and the difficulty of reflection

Bowlby used the concept of defensive exclusion to describe the exclusion from conscious processing of certain attachment-relevant information, particularly where awareness might threaten the maintenance of essential relationships. Clinically, this concept encouraged interest in contradictions between what people report, remember, expect, and do. Silence about anger toward a caregiver, minimization of frightening behavior, or an apparently emotionless account of loss could be explored as possible protective processes. Such signs have multiple explanations, and the concept itself requires cautious operationalization when translated into modern research. Bowlby (1988).

The therapeutic response is not to force disclosure or treat every gap in memory as evidence of trauma. It involves making room for the patient to notice uncomfortable thoughts and feelings at a tolerable pace. When dissociation, posttraumatic symptoms, substance-related impairment, psychosis, neurological conditions, or acute safety problems are present, assessment and treatment must follow the standards applicable to those conditions. Bowlby's model can contribute a relational perspective without displacing differential diagnosis or indicated care.

Separation, loss, and the emotional meaning of treatment

Separation and bereavement were central themes in Bowlby's thinking. Threatened absence may evoke protest, searching, despair, or defensive distance; changes in an important relationship may create anger as well as grief. These reactions acquire clinical relevance when their timing, duration, context, meaning, and impact are investigated. Normal grieving, age-typical distress at separation, and psychiatric syndromes occupy distinct levels of description. A clinician cannot infer separation anxiety disorder, prolonged grief disorder, or a depressive disorder from a theoretical attachment response alone. Bowlby (1977a).

Within psychotherapy, vacations, interruption, termination, and changes of clinician may matter because they alter the availability of someone who has become important to the patient. Thoughtful planning, transparent discussion, collaborative ending, and referral where clinically indicated can help manage these transitions. Their meaning will vary across individuals; a strong reaction to ending treatment is not proof of a particular childhood attachment classification.

Assessment: what attachment theory can inform and what it cannot diagnose

Bowlby's approach gives the clinician a set of interview questions: What relationships currently provide protection? What happens during conflict or unavailability? How are fear, anger, and a need for help communicated? Which previous experiences may influence expectations? How does the patient experience the therapist? How do culture, power, developmental conditions, and actual safety influence what is possible? This information can be integrated into a case formulation alongside psychiatric symptoms, medical conditions, social determinants, trauma history, functioning, and the patient's treatment preferences.

Attachment research includes developmental classifications and adult self-report dimensions, but these instruments assess different constructs in different research traditions. Infant Strange Situation classifications originated in Mary Ainsworth's empirical work; adult attachment anxiety and avoidance are commonly measured as dimensions in later research. Neither an insecure attachment classification nor a high score on an attachment questionnaire constitutes a psychiatric diagnosis. The clinician should not use informal attachment-style quizzes to assign disorders or infer a single cause of complex mental health problems. Bretherton (1992); Notsu et al. (2025).

Differential assessment remains necessary when symptoms of major depression, posttraumatic stress, obsessive-compulsive disorder, psychosis, bipolar disorder, personality pathology, neurodevelopmental conditions, substance use, or current abuse are suspected. Relational histories can inform understanding across conditions but cannot replace diagnostic criteria, validated assessments, a safety evaluation, or a clinically appropriate treatment plan. In urgent situations, immediate protective and medical actions take priority over an extended exploration of attachment origins.

Adult attachment and the therapeutic alliance: what modern data show

Empirical psychotherapy research has tested associations between attachment-related characteristics and the working alliance. An updated meta-analysis reported modest negative correlations between client-rated alliance and attachment anxiety (r = −.09) and attachment avoidance (r = −.13) across 33 studies for each analysis. These average associations support attention to attachment-related differences in collaboration, while their small magnitude rules out reliable individual prediction from an attachment score alone. The review also reported variation across studies and called for broader populations and measurement approaches. Notsu et al. (2025).

Another meta-analytic synthesis found that the working alliance was associated with adult psychotherapy outcomes across treatment orientations. This demonstrates the importance of the collaborative relationship as a general psychotherapy process. It does not isolate the specific contribution of Bowlby's secure-base account or show that teaching his five tasks is an independently effective treatment. Correlation between alliance and outcome can be influenced by patient characteristics, treatment progress, therapist behavior, and measurement timing. Flückiger et al. (2018); Flückiger et al. (2020).

A systematic review and meta-analysis of therapist attachment and alliance further examined how clinicians' own relational tendencies may relate to treatment processes. Such findings expand the original focus on patient expectations to the therapist's role, but available samples, observational designs, and heterogeneous measures limit confident causal interpretation. Clinical supervision, responsiveness, and professional conduct should be assessed directly rather than assumed from attachment-type labels. Horne et al. (2024); therapist attachment review (2025).

Modern attachment-informed treatments are separate interventions

Attachment-based family therapy, mentalization-based treatment, and other relationship-oriented models share some conceptual heritage with attachment science. They involve distinct developers, patient populations, techniques, training systems, and empirical literatures. Evidence supporting or challenging any one of these interventions should be attributed to that intervention and its trials; it cannot be transferred wholesale to Bowlby's own clinical proposal. Conversely, limitations of a particular modern trial do not by themselves refute the developmental theory of attachment.

Attachment-based family therapy for adolescents

Attachment-based family therapy (ABFT) focuses on ruptures and repair within family relationships. A small 2010 trial comparing ABFT with enhanced usual care reported improved suicidal-ideation outcomes, but its control treatment differed in intensity and structure. A larger 2019 randomized trial comparing ABFT with family-enhanced nondirective supportive therapy examined a more active comparator and found that both groups improved; ABFT did not significantly outperform the active comparator on suicidal ideation or depressive symptoms, although both groups improved. Interpretation must distinguish improvement within each treatment arm from an advantage over the comparison treatment. Diamond et al. (2010); Diamond et al. (2019).

This work is relevant to Bowlby's emphasis on dependable caregiving, but it was developed after his principal writings and includes intervention components not specified in his five tasks. Adolescents presenting with suicidal thoughts need comprehensive evidence-based risk assessment, safeguarding, and individualized care. Attachment language alone is an inadequate risk-management strategy.

Mentalization-based treatment and other clinical models

Mentalization-based treatment develops capacities to interpret one's own and others' mental states in interpersonal situations. It draws on attachment and developmental ideas, while its therapeutic manual and outcome research form a distinct clinical program. A Cochrane systematic review of psychological treatments for borderline personality disorder evaluated mentalization-based treatment among several approaches and described uncertainties for particular comparisons and outcomes. Such findings should be considered at the level of population, control condition, and measured outcome rather than reduced to an assertion that attachment psychotherapy has been proved effective as a category. Storebø et al. (2020).

Broad terms such as attachment-focused, attachment-informed, or relational psychotherapy can describe a clinical orientation rather than a validated, unitary treatment. Evidence-based decisions require identifying the actual treatment manual, indication, clinician competence, adverse-effect monitoring, suitable alternatives, and strength of comparative evidence.

Psychotherapy with children: revising an adult-centered account

Bowlby's adult therapy model centers a dyadic relationship in which a patient explores personal experience with a therapist. Children's attachment and caregiving environments differ because parents and other caregivers commonly organize the child's daily security. In a 2024 paper, Simon R. Wilkinson revisited Bowlby's five tasks and argued that pediatric practice requires much greater attention to relationships within the family and caregiving system. The paper is a theoretical and clinical reassessment, not a randomized efficacy trial. Wilkinson (2024).

Contemporary child work also requires developmental assessment, caregiver participation suited to the child's circumstances, attention to multiple attachment figures, and consideration of neurodevelopmental differences and social adversity. A child may require protection from a harmful adult rather than simply encouragement to maintain closeness. Historical discussions of maternal deprivation should be read in their social and scientific context; modern child mental health care must examine the quality, safety, and continuity of caregiving across the actual network of caregivers.

Criticism, methodological limits, and competing explanations

Bowlby's clinical ideas arose from theoretical synthesis, clinical observation, historical case materials, and developmental research. These sources made attachment a useful language for generating hypotheses, but the five tasks did not originate as a tested treatment manual, and the classic writings cannot settle comparative treatment effectiveness. Retrospective reports of childhood experiences are subject to recall limitations; adult relationship problems can arise through many pathways; and early adversity does not produce uniform psychological outcomes. A careful clinician treats the theory as one explanatory framework among those relevant to the case.

Another challenge concerns circular explanations. If a patient seeks reassurance, one might label the person anxious; if the patient avoids reassurance, one might label the person avoidant. When every behavior is interpreted as confirmation, the framework loses its capacity to be tested. Strong formulations identify observable patterns, consider alternative accounts, and specify what evidence would challenge the initial hypothesis. They also distinguish stable tendencies from momentary responses to real danger or discrimination.

Cultural and historical context matters because ideals of autonomy, emotional expression, dependence, and shared caregiving differ across communities and generations. Adult attachment questionnaires and alliance measures may not operate identically in every population. An attachment-informed clinician therefore asks how the patient and their community understand care, obligation, boundaries, and trust, avoiding universal judgments based on a single family pattern or a Western middle-class norm.

Conceptual disagreements also arise over how attachment should be measured and whether attachment-related security is best understood as a relatively stable classification, a relational strategy, or a context-dependent process. Wilkinson's modern clinical commentary illustrates one line of theoretical revision; it is not a scientific consensus endorsed by every attachment researcher. Wilkinson (2024).

Bowlby's clinical legacy and its proper place in psychological science

Bowlby's most enduring contribution to psychotherapy is the proposition that expectations about protection, responsiveness, and loss are consequential in the therapy relationship itself. His model prompts clinicians to connect present interpersonal patterns with developmental learning while attending to actual events. The secure base offers a clear language for why a collaborative, stable relationship may make exploration possible. Research on working alliance supports the broader clinical importance of collaboration, and attachment studies provide modest evidence of correlations with alliance quality. These are related findings with distinct methodologies, not interchangeable proofs. Bowlby (1977b); Notsu et al. (2025).

For historical scholarship, the approach marks a turning point from explanations centered predominantly on intrapsychic fantasy toward systematic attention to real caregiving environments, emotional bonds, and observable separation responses. For clinicians, its productive use lies in thoughtful case formulation, respectful examination of therapeutic expectations, and integration with treatments suited to an individual's diagnosis and circumstances. Its limitations are equally instructive: a plausible narrative is not an outcome study, and an important historical framework is not a substitute for present-day clinical evidence.

Questions about Bowlby's approach

Did Bowlby develop a single modern attachment psychotherapy?

Bowlby articulated therapeutic principles and tasks, particularly in 1977 and 1988. He did not establish a single contemporary manualized intervention whose efficacy can be inferred from his writings. Modern attachment-related psychotherapies have separate histories, techniques, trials, and evidence profiles. Bowlby (1977b); Bowlby (1988).

Does the therapist literally replace a parent?

The clinical secure base describes dependability and support for exploration within a professional relationship. It does not require adoption of a parental role or abandonment of boundaries. Treatment is accountable to the patient's autonomy, safety, informed consent, and life outside psychotherapy.

Are insecure attachment styles mental disorders?

Attachment insecurity refers to patterns or dimensions used in developmental and relationship research. It is not itself a psychiatric diagnosis. A diagnosis, where applicable, depends on specific clinical criteria and assessment of distress, impairment, duration, risk, and alternative explanations.

Can psychotherapy change attachment expectations?

Bowlby's framework proposes that new relational experiences and reflection may revise expectations. Current studies offer evidence about attachment measures, therapeutic alliance, and individual treatments, but they do not establish one universal mechanism or a guaranteed result for any patient. An assessment of change depends on what is measured, how long participants are followed, and which comparison conditions are used. Notsu et al. (2025).

How does the clinical approach differ from general attachment theory?

General attachment theory examines how humans organize proximity and protection relationships across development. Bowlby's clinical approach specifically examines the assessment and psychotherapeutic exploration of relational expectations, current attachment experiences, and the patient's relationship with a therapist. Contemporary attachment diagnosis, family therapy, and general research about adult attachment each have their own methods and canonical subjects.

Related Articles

John Bowlby — The scientific main chapter on the psychiatrist's life, theoretical synthesis, primary works, and influence.

Attachment in Infancy and Early Childhood: Security and Development — Developmental evidence on caregiving, attachment security, and childhood outcomes.

Is Attachment Theory Evidence-Based? What Research Supports, What It Does Not, and Common Misuses — A broader review of the evidential strength and limits of attachment theory.

John Bowlby's A Secure Base: The Book and Clinical Legacy — The clinical lectures collected in A Secure Base.

John Bowlby's The Making and Breaking of Affectional Bonds — The original lectures and book on affectional bonds.

References

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Diamond, G. S., et al. (2019). A randomized controlled trial: Attachment-based family and nondirective supportive treatments for youth who are suicidal. Journal of the American Academy of Child and Adolescent Psychiatry, 58(7), 721–731. https://doi.org/10.1016/j.jaac.2018.10.006

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Flückiger, C., Del Re, A. C., Wlodasch, D., Horvath, A. O., Solomonov, N., and Wampold, B. E. (2020). Assessing the alliance-outcome association adjusted for patient characteristics and treatment processes: A meta-analytic summary of direct comparisons. Journal of Counseling Psychology, 67(6), 706–711. https://doi.org/10.1037/cou0000424

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Notsu, H., Blansfield, R. E., Spina, D. S., and Levy, K. N. (2025). An updated meta-analysis of the relation between adult attachment style and working alliance. Psychotherapy Research, 35(5), 721–734. https://doi.org/10.1080/10503307.2024.2370344

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