Potential Role of Nonverbal Synchrony in Psychotherapy: A Meta‐Analysis.

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Title: Potential Role of Nonverbal Synchrony in Psychotherapy: A Meta‐Analysis.
Authors: Gregorini, Camilla, De Carli, Pietro, Parolin, Laura Antonia Lucia, Tschacher, Wolfgang, Preti, Emanuele
Source: Counselling & Psychotherapy Research. Mar2025, Vol. 25 Issue 1, p1-12. 12p.
Subjects: Psychotherapy, World Wide Web, Treatment effectiveness, Meta-analysis, Descriptive statistics, Nonverbal communication, MEDLINE, Therapeutic alliance, Online information services, Confidence intervals, Patients' attitudes, Psychology information storage & retrieval systems
Abstract: Background: Interpersonal synchrony entails the coordination of verbal and nonverbal features underlying communicative patterns. However, the strength of the association between the synchronisation of nonverbal features (movements and vocal tones) and therapeutic alliance and outcome remains unclear. Objectives: This meta‐analysis aimed to investigate the strength of (1) the association between nonverbal synchrony and perception of alliance reported by the patients, (2) the association between nonverbal synchrony and therapeutic outcome, and (3) the moderating role of the type of psychotherapeutic approach. Methods: This meta‐analysis included 11 studies. Inclusion criteria were studies that utilised a quantitative measure of nonverbal synchrony in association with measures of therapeutic alliance and outcome. Results: Random effects model indicated that nonverbal synchrony was significantly associated with the alliance perceived by the patient (r = 0.19; 95% CI: 0.02–0.35; z = 2.18, p = 0.02); however, it was not significantly associated with the therapeutic outcome (r = 0.22; 95% CI: −0.04 to 0.47; z = 1.65, p = 0.09). No moderating effects were observed for the type of therapeutic approach. Conclusions: These findings support the view that nonverbal synchrony is a central aspect of psychotherapy and highlight the possible interdependence between nonverbal synchrony and therapeutic alliance. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
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Abstract:Background: Interpersonal synchrony entails the coordination of verbal and nonverbal features underlying communicative patterns. However, the strength of the association between the synchronisation of nonverbal features (movements and vocal tones) and therapeutic alliance and outcome remains unclear. Objectives: This meta‐analysis aimed to investigate the strength of (1) the association between nonverbal synchrony and perception of alliance reported by the patients, (2) the association between nonverbal synchrony and therapeutic outcome, and (3) the moderating role of the type of psychotherapeutic approach. Methods: This meta‐analysis included 11 studies. Inclusion criteria were studies that utilised a quantitative measure of nonverbal synchrony in association with measures of therapeutic alliance and outcome. Results: Random effects model indicated that nonverbal synchrony was significantly associated with the alliance perceived by the patient (r = 0.19; 95% CI: 0.02–0.35; z = 2.18, p = 0.02); however, it was not significantly associated with the therapeutic outcome (r = 0.22; 95% CI: −0.04 to 0.47; z = 1.65, p = 0.09). No moderating effects were observed for the type of therapeutic approach. Conclusions: These findings support the view that nonverbal synchrony is a central aspect of psychotherapy and highlight the possible interdependence between nonverbal synchrony and therapeutic alliance. [ABSTRACT FROM AUTHOR]
ISSN:14733145
DOI:10.1002/capr.12885