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Music Therapy and Health / Cancer Survivorship and Care · Journal article
Journal of Psychosocial Oncology · September 11, 2026
Encouraging direction, but not yet definitive.
This study reports development and psychometric validation of the APPI, a new self-report instrument for measuring awareness of contextual-behavioral processes in women with breast cancer. The instrument showed excellent internal consistency (α = 0.95) and differentiated between an 8-session integrated ACT/compassion-focused intervention (Mind) and support group, with higher APPI scores in the Mind condition associated with greater compassionate self-responding, valued action, lower psychopathology, and better quality of life. This is an early instrument validation study that supports further use in process research but does not establish clinical efficacy of the underlying intervention.
Dual-arm randomized controlled trial with psychometric validation component. Women with breast cancer enrolled in two RCTs; specific eligibility criteria, setting (e.g., hospital, community), and recruitment details not provided.. Intervention: 8-session group contextual-behavioral program integrating Acceptance and Commitment Therapy (ACT) and compassion-focused practice (Mind condition). Compared with: Support group. n = 76.
APPI demonstrated excellent internal consistency with α = 0.95 in a one-factor solution Participants in Mind condition reported significantly higher APPI scores than support group, particularly on awareness of present moment and (un)compassionate self-responding Higher APPI scores correlated with greater compassionate self-responding, valued action, lower psychopathology, and better quality of life at post-intervention, especially in Mind condition
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
This instrument validation provides a potential tool for researchers assessing process change in contextual-behavioral interventions in oncology settings. Clinicians should recognize this as an early-stage psychometric contribution rather than evidence that the underlying interventions change clinical outcomes; hard outcome efficacy data remain needed.
A psychometric validation study of a new instrument (APPI) embedded in a dual-arm RCT showing sound internal consistency and differentiation between interventions on a process measure, but lacking hard clinical outcomes and independent replication.
As stated by the source record.
Quoted from the source exactly as published.
This instrument validation provides a potential tool for researchers assessing process change in contextual-behavioral interventions in oncology settings. Clinicians should recognize this as an early-stage psychometric contribution rather than evidence that the underlying interventions change clinical outcomes; hard outcome efficacy data remain needed.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
BACKGROUND: The efficacy of Acceptance and Commitment Therapy (ACT) in improving distress and quality of life among cancer patients has been empirically shown. However, inconsistencies persist regarding measurable changes in its core processes. This study introduces and psychometrically examines a new instrument designed to address these limitations: the Awareness of Processes Post-Intervention (APPI). METHOD: The APPI was developed to assess perceived changes in awareness of contextual-behavioral processes. Data were collected from 76 women with breast cancer participating in two RCTs comprising two interventions - an 8-session group contextual-behavioral program that integrates ACT and compassion-focused practice (Mind) and a support group. RESULTS: Exploratory factor analyses supported a one-factor solution, demonstrating excellent internal consistency (α = 0.95). Participants in the Mind condition reported significantly higher APPI scores than those in the support group, particularly regarding awareness of the present moment and of (un)compassionate self-responding. Correlational analyses showed that higher APPI scores were associated with greater compassionate self-responding, valued action, lower psychopathology, and better quality of life at post-intervention, especially within the Mind condition. CONCLUSIONS: These findings support the psychometric soundness and theoretical relevance of the APPI for capturing awareness of targeted processes in contextual-behavioral interventions. The APPI may enhance research on process assessment and the implementation of contextual-behavioral approaches, particularly in psycho-oncology settings.
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