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Strengthening the Healthy Adult Mode: A Case Experimental Study Exploring the Effects of a New Schema Therapy Protocol in an Outpatient Population

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Title: Strengthening the Healthy Adult Mode: A Case Experimental Study Exploring the Effects of a New Schema Therapy Protocol in an Outpatient Population
Language: English
Authors: Yvonne Versluis, Yvonne Bol, Frenk Peeters (ORCID 0000-0002-6167-8582), Samantha Bouwmeester
Source: British Journal of Guidance & Counselling. 2025 53(6):843-857.
Availability: Routledge. Available from: Taylor & Francis, Ltd. 530 Walnut Street Suite 850, Philadelphia, PA 19106. Tel: 800-354-1420; Tel: 215-625-8900; Fax: 215-207-0050; Web site: http://www.tandf.co.uk/journals
Peer Reviewed: Y
Page Count: 15
Publication Date: 2025
Document Type: Journal Articles
Reports - Research
Descriptors: Schemata (Cognition), Adults, Patients, Personality Problems, Mental Disorders, Psychotherapy, Self Concept, Altruism, Well Being, Psychopathology, Outcomes of Treatment, Foreign Countries
Geographic Terms: Netherlands
DOI: 10.1080/03069885.2025.2484222
ISSN: 0306-9885
1469-3534
Abstract: To study the feasibility, acceptability and effectiveness of the first treatment protocol solely focussing on strengthening adaptive schema modes: "Schema Therapy and the Healthy Adult" (ST-HA) during final-stage Schema therapy in adult outpatients with personality disorders. A single-case experimental design (n = 10) with multiple measures was used. For each participant, a no-treatment randomised baseline period was compared with treatment and follow-up at 1 and 3 months. Assessments included questionnaires for measuring changes in self-compassion, well-being, adaptive schema modes and general psychopathology. Findings suggested positive effects of the ST-HA intervention in increasing self-compassion, well-being and adaptive schema modes during treatment on both individual and group levels. Gains of the intervention were maintained in follow-up phases at 1 and 3 months. Psychopathology scores decreased significantly between pre- and posttreatment. This study suggests that ST-HA is a feasible, acceptable and effective intervention that can be implemented during the final stage of ST.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1503988
Database: ERIC
FullText Text:
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  Data: Strengthening the Healthy Adult Mode: A Case Experimental Study Exploring the Effects of a New Schema Therapy Protocol in an Outpatient Population
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  Data: <searchLink fieldCode="AR" term="%22Yvonne+Versluis%22">Yvonne Versluis</searchLink><br /><searchLink fieldCode="AR" term="%22Yvonne+Bol%22">Yvonne Bol</searchLink><br /><searchLink fieldCode="AR" term="%22Frenk+Peeters%22">Frenk Peeters</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-6167-8582">0000-0002-6167-8582</externalLink>)<br /><searchLink fieldCode="AR" term="%22Samantha+Bouwmeester%22">Samantha Bouwmeester</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22British+Journal+of+Guidance+%26+Counselling%22"><i>British Journal of Guidance & Counselling</i></searchLink>. 2025 53(6):843-857.
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  Data: Routledge. Available from: Taylor & Francis, Ltd. 530 Walnut Street Suite 850, Philadelphia, PA 19106. Tel: 800-354-1420; Tel: 215-625-8900; Fax: 215-207-0050; Web site: http://www.tandf.co.uk/journals
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  Data: 15
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  Data: 10.1080/03069885.2025.2484222
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  Data: 0306-9885<br />1469-3534
– Name: Abstract
  Label: Abstract
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  Data: To study the feasibility, acceptability and effectiveness of the first treatment protocol solely focussing on strengthening adaptive schema modes: "Schema Therapy and the Healthy Adult" (ST-HA) during final-stage Schema therapy in adult outpatients with personality disorders. A single-case experimental design (n = 10) with multiple measures was used. For each participant, a no-treatment randomised baseline period was compared with treatment and follow-up at 1 and 3 months. Assessments included questionnaires for measuring changes in self-compassion, well-being, adaptive schema modes and general psychopathology. Findings suggested positive effects of the ST-HA intervention in increasing self-compassion, well-being and adaptive schema modes during treatment on both individual and group levels. Gains of the intervention were maintained in follow-up phases at 1 and 3 months. Psychopathology scores decreased significantly between pre- and posttreatment. This study suggests that ST-HA is a feasible, acceptable and effective intervention that can be implemented during the final stage of ST.
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  Data: 2026
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        Value: 10.1080/03069885.2025.2484222
    Languages:
      – Text: English
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      – SubjectFull: Adults
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      – SubjectFull: Well Being
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      – SubjectFull: Psychopathology
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      – SubjectFull: Outcomes of Treatment
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      – SubjectFull: Foreign Countries
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      – SubjectFull: Netherlands
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      – TitleFull: Strengthening the Healthy Adult Mode: A Case Experimental Study Exploring the Effects of a New Schema Therapy Protocol in an Outpatient Population
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