Abstract
The Scale for Measuring the Biopsychosocial Approach of Family Physicians is a specialized psychometric instrument operationalized to quantify the extent to which primary care physicians incorporate the biopsychosocial model into clinical practice. Developed and validated in Slovenia by Irena Makivić and Zalika Klemenc-Ketiš, this 35-item self-report questionnaire addresses a critical methodological void in medical education, health services research, and clinical quality evaluation. The construct captures three distinct, interrelated dimensions: the Holistic or Social Approach (14 items), the Psychological Part of Family Medical Doctor’s Work (13 items), and the Partnership Between Patient and Doctor (12 items in the theoretical pool, optimized to 35 items total). Responses are collected via a multi-point Likert-type format arranged in an alternating even-odd structure, yielding domain-specific and aggregate index scores. Psychometric investigations reveal high reliability, characterized by an overall internal consistency of Cronbach’s α = 0.911, subscale alphas between 0.771 and 0.849, a split-half Spearman-Brown coefficient of 0.931, and excellent temporal stability demonstrated by an intraclass correlation coefficient (ICC) of 0.862. Exploratory factor analysis supports a three-factor latent structure explaining 39.5% of the total variance, confirming construct validity through predictable convergence between psychological and social axes (r = 0.675) alongside lower correlations with standard biomedical parameters. This instrument serves as an empirical foundation for measuring patient-centered attitudes, assessing clinical continuing education interventions, and analyzing health outcomes associated with holistic primary healthcare.
Keywords
biopsychosocial model, family medicine, psychometrics, patient-centered care, primary healthcare, physician-patient relationship, shared decision-making, clinical competence, medical education, scale development, health services research
Authors
The scale was conceptualized, developed, and psychometrically validated by leading researchers in primary care and public health in Slovenia:
- Irena Makivić, PhD — National Institute of Public Health (Nacionalni inštitut za javno zdravje – NIJZ), Ljubljana, Slovenia. Correspondence email: [email protected]. Dr. Makivić has contributed extensive research on healthcare quality improvement, the integration of psychosocial interventions in community care, and quantitative health services evaluation.
- Prof. Dr. Zalika Klemenc-Ketiš, MD, PhD — Department of Family Medicine, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia; and Department of Family Medicine, Faculty of Medicine, University of Maribor, Maribor, Slovenia. Prof. Klemenc-Ketiš is an internationally recognized scholar in family medicine training, patient safety, and clinical educational measurement.
Purpose
The biopsychosocial (BPS) model, first introduced systematically into modern medical discourse by George Engel in 1977, asserts that health, illness, and healthcare delivery can only be comprehensively understood by analyzing biological, psychological, and sociological dynamics concurrently. While contemporary clinical guidelines and accreditation bodies universally endorse this paradigm as the foundation of primary medical care, empirical investigations have long struggled with an absence of validated, standardized measures capable of evaluating physician adherence to BPS principles in routine clinical encounters. The primary purpose of the Scale for Measuring the Biopsychosocial Approach of Family Physicians is to translate this abstract clinical philosophy into a measurable, psychometrically sound psychological construct.
From an applied perspective, the tool addresses dual imperatives across clinical governance and research environments:
- Educational Assessment and Residency Training: Family medicine residency programs place substantial pedagogical emphasis on communicative competence, systemic thinking, and empathic engagement. However, traditional objective structured clinical examinations (OSCEs) and knowledge-based assessments frequently prioritize biomedical diagnostic pathways. This scale provides medical educators with an objective instrument to evaluate the baseline orientation of medical trainees, detect developmental deficits across psychosocial domains, and quantify longitudinal shifts in professional philosophy throughout residency curricula.
- Quality Improvement and Healthcare Governance: In clinical practice, systemic pressures such as abbreviated consultation times, electronic health record documentation demands, and biomedical fee-for-service payment models can induce physician burnout and foster clinical reductionism. Administering this scale enables health clinic managers, community healthcare centers, and policymakers to identify organizational facilitators or impediments to compassionate, comprehensive practice.
- Health Services and Outcomes Research: The instrument facilitates robust quantitative inquiry into the mechanisms connecting clinician orientation with patient health outcomes. Investigators can deploy this scale to assess how variations in a clinician’s biopsychosocial implementation affect chronic disease management, treatment adherence, health-related quality of life, patient trust, diagnostic testing overutilization, and healthcare expenditures.
Psychological Construct
The underlying construct operationalized by this scale is the biopsychosocial orientation of the medical practitioner, defined as a stable cognitive, affective, and behavioral framework that prioritizes comprehensive, contextualized, and egalitarian patient care. Rather than treating disease entities as isolated biological malfunctions within an anatomical organism, a physician exhibiting high levels of this construct approaches patient encounters with an integrative perspective that balances physiological pathophysiology with systemic ecological factors. The construct is deconstructed into three fundamental, interlinked subscales:
1. Holistic or Social Approach
The Holistic or Social Approach dimension (comprising 14 items) captures the physician’s recognition and active integration of the patient’s wider social environment into clinical diagnosis and care planning. This includes evaluating the influence of family dynamics, interpersonal support systems, employment status, workplace stressors, socioeconomic vulnerability, and community infrastructure on the emergence and progression of somatic symptoms. Clinicians scoring high on this dimension routinely incorporate social determinants of health into differential diagnoses, tailor therapeutic regimens to familial and financial constraints, and leverage community social resources rather than relying exclusively on pharmacological solutions.
2. Psychological Part of Family Medical Doctor’s Work
The Psychological Part of Family Medical Doctor’s Work dimension (comprising 13 items) quantifies the physician’s self-efficacy, diagnostic awareness, and clinical competence regarding emotional, cognitive, and mental health factors in primary care consultations. This facet evaluates the clinician’s readiness to detect psychological distress, explore affective triggers associated with somatic complaints (e.g., tension headaches, functional gastrointestinal disorders), and provide frontline counseling or supportive interventions. High scores reflect a physician who views mental and emotional health as integral components of general medical consultations rather than secondary issues to be referred out indiscriminately.
3. Partnership Between Patient and Doctor
The Partnership Between Patient and Doctor dimension (originating from 12 theoretical items, consolidated in the 35-item scale) reflects the physician’s commitment to patient-centered communication, shared decision-making, and relational autonomy. In contrast to traditional paternalistic practice models, where the physician acts as an authoritative decision-maker demanding compliance, an egalitarian partnership orientation views the patient as an active, informed collaborator who possesses experiential expertise regarding their own health. Clinicians scoring high in this domain negotiate treatment plans, solicit patient preferences, maintain transparency regarding therapeutic risks, and validate patient values throughout the consultation.
Theoretical Framework
The conceptual foundation of this instrument synthesizes classical and contemporary paradigms across medical sociology, clinical psychology, and primary care epistemology:
Engel’s Biopsychosocial Model
The overarching architecture rests upon George L. Engel’s critique of scientific reductionism in medicine. Engel argued that the traditional biomedical model, derived from molecular biology and Cartesian dualism, fails to account for how psychological states and societal contexts modulate somatic vulnerability, symptom expression, and therapeutic response. The scale operationalizes Engel’s general systems perspective by treating the patient not merely as a biological system of cellular organs, but as a nexus of hierarchically organized biological, psychological, and social systems operating within a unified ecological matrix.
Patient-Centered Medicine and Relational Autonomy
The scale integrates the theoretical framework of patient-centered medicine formulated by Moira Stewart, Ian McWhinney, and colleagues at the Western Ontario Centre for Studies in Family Medicine. This framework posits six core components: exploring both the disease and the illness experience, understanding the whole person, finding common ground regarding management, incorporating prevention and health promotion, enhancing the patient-doctor relationship, and being realistic about time and resources. The scale’s partnership dimension mirrors the philosophical principles of shared decision-making and relational autonomy, which emphasize that clinical agency emerges through supportive, reciprocal communication.
Social Determinants of Health and Balint Groups
The instrument draws on the psychodynamic traditions established by Michael Balint, who highlighted the therapeutic potential of the doctor-patient relationship itself (“the doctor as a drug”). Balint emphasized how unaddressed physician anxieties, transference, and blind spots can impede diagnosis, particularly in cases involving somatic functional syndromes. Simultaneously, the framework incorporates modern insights from the World Health Organization regarding the social determinants of health, recognizing that material deprivation, educational attainment, and social safety nets exert more influence on population morbidity and mortality than healthcare delivery alone.
Validity
The validation process utilized a multi-stage, mixed-methods psychometric research program designed to establish content, face, and construct validity across distinct cohorts of medical professionals:
Content and Face Validity: The Delphi Technique
Initial content validation was executed using a formal, multi-round Delphi consensus technique involving a panel of 24 expert Slovenian family physicians (aged 33 to 62 years, predominantly female, practicing across diverse urban and rural primary care settings). This panel iteratively evaluated, revised, and rated potential items derived from a comprehensive literature review. Items were retained only when clear expert consensus was reached regarding their clinical relevance, representativeness, and clarity. Subsequently, preliminary pilot evaluations examining comprehensibility and face validity were conducted with two independent cohorts of family medicine trainees (n = 31 and n = 32), leading to minor syntactic and semantic refinements.
Construct and Dimensional Validity
Construct validity was examined in a cross-sectional validation cohort of 164 practicing family physicians (selected from 255 invited clinicians, yielding a 64.3% response rate). Hypothesized inter-subscale correlations confirmed theoretical alignments within the biopsychosocial architecture:
- Social vs. Psychological Subscales: Demonstrated a strong, statistically significant positive correlation (r = 0.675, p < 0.001). This confirms that practitioners who actively identify and address social determinants of health are systematically inclined to address psychological distress and psychiatric comorbidities.
- Biomedical Intercorrelations: Secondary analyses measuring relationships between psychosocial scores and purely biomedical care activities yielded weaker, albeit statistically significant, correlations (r = 0.175 with social, r = 0.352 with psychological). This divergence illustrates that while foundational biomedical management remains an integral component of clinical medicine, it operates as a distinct dimension that does not inherently guarantee biopsychosocial competence, confirming discriminant validity.
Reliability
The Scale for Measuring the Biopsychosocial Approach of Family Physicians has undergone thorough testing for internal consistency, split-half dependability, and temporal stability:
Internal Consistency
For the overall 35-item finalized instrument, psychometric evaluation yielded a Cronbach’s alpha coefficient of α = 0.911, reflecting excellent internal consistency. This high reliability index indicates that the scale’s items coherently sample the overarching construct of biopsychosocial practice without excessive redundancy. The individual subscales demonstrated strong to acceptable internal consistency:
- Holistic or Social Approach: α = 0.849
- Psychological Part of Family Medical Doctor’s Work: α = 0.812
- Partnership Between Patient and Doctor: α = 0.771
Split-Half Reliability
Split-half reliability evaluation was performed using the Spearman-Brown prophecy formula, resulting in a coefficient of 0.931. This demonstrates exceptional structural dependability and metric parity across split item subsets.
Test-Retest Reliability and Temporal Stability
To assess whether scores reflect enduring professional practice attitudes rather than transient situational states, temporal stability was evaluated through test-retest administration over a two-to-four-week interval. The calculated intraclass correlation coefficient (ICC) was 0.862 (95% CI [0.81, 0.90]), confirming strong temporal reliability and reproducibility across time in clinical practice.
Factor Analysis
To identify the underlying latent dimensionality of the initial item pool, the investigators conducted an exploratory factor analysis (EFA) on the cross-sectional validation dataset (n = 164). Prior to extraction, sampling adequacy and inter-item correlation matrices were inspected, satisfying standard criteria for factor extraction.
Extraction and Rotation
Principal axis factoring combined with oblique (promax/oblimin) rotation was deployed to permit realistic correlations among latent clinical dimensions. The analysis extracted a stable three-factor solution accounting for 39.5% of the total cumulative variance:
- Factor 1: Holistic or Social Approach — This factor emerged as the primary latent dimension, accounting for 24.1% of the total variance. It aggregated 14 items characterized by high factor loadings (> 0.45) reflecting the systemic assessment of the patient’s occupational environment, household functioning, cultural beliefs, and socioeconomic resources.
- Factor 2: Psychological Part of Doctor’s Work — This factor explained 8.7% of the total variance and grouped 13 items. Salient loadings were observed for statements detailing the exploration of emotional etiology, functional somatic assessment, psychosomatic diagnosis, and supportive psychotherapeutic dialogue.
- Factor 3: Partnership Between Patient and Doctor — This dimension accounted for 6.7% of the total variance, capturing items reflecting non-paternalistic communication, bilateral goal negotiation, mutual respect, and patient involvement in treatment planning.
Item analysis indicated that four items exhibited cross-loadings > 0.35 across multiple factors or failed to reach the primary loading threshold of 0.40. Following the sequential elimination of these poorly performing items, the finalized 35-item scale demonstrated clean factor separation, strong conceptual interpretability, and robust structural validity conforming to theoretical expectations.
Instrument / Measurement Tool
- Test Type: Standardized, self-administered professional psychological assessment questionnaire.
- Construct Measured: Implementation of the biopsychosocial approach and patient-centered clinical care in primary medicine.
- Item Count: 35 items (retained following psychometric item reduction from an initial pool of 39 items).
- Scale Structure: Multidimensional (3 correlated latent subscales: Holistic/Social Approach, Psychological Part of Work, and Patient-Doctor Partnership).
- Response Format: Multi-point Likert-type response scale (e.g., assessing frequency or agreement with clinical practices).
- Item Layout: Alternating even-odd arrangement designed to balance domain distribution and mitigate pattern-marking response sets.
- Scoring Rules:
- Negative/Paternalistic Statements: Two negatively worded items require reverse scoring prior to computation.
- Subscale Scores: Calculated as the unweighted mean score of items assigned to each respective factor.
- Composite Score: Calculated as the total mean across all 35 items, providing a global index of biopsychosocial clinical orientation.
- Observed Normative Values: Across the validation sample of family physicians, average item responses ranged between 3.01 and 4.79.
- Administration Time: Approximately 10 to 15 minutes.
- Target Population: General practitioners, family physicians, primary care clinicians, and medical residents.
- Original Language: Slovenian.
Permissions & Fee and Test Year
- Test Year: 2022.
- Copyright Status: The instrument was published under open-access research terms in Family Medicine and Community Health (BMJ Publishing Group). The full scale in its original Slovenian format is provided in the supplemental materials of the primary publication.
- Permissions and Academic Use: The scale is accessible for academic research, health systems evaluation, and non-commercial educational purposes. Researchers planning cross-cultural adaptation, translation, or extensive institutional implementation are advised to notify and obtain permission from the primary author, Dr. Irena Makivić ([email protected]).
- Fee: There are no licensing fees for non-profit academic research, medical education residency evaluations, or peer-reviewed scientific studies.
References
- Borrell-Carrió, F., Suchman, A. L., & Epstein, R. M. (2004). The biopsychosocial model 25 years later: Principles, practice, and scientific inquiry. The Annals of Family Medicine, 2(6), 576–582. https://doi.org/10.1370/afm.245
- Engel, G. L. (1977). The need for a new medical model: A challenge for biomedicine. Science, 196(4286), 129–136. https://doi.org/10.1126/science.847460
- Makivić, I. (2017). Povezanost biopsihosocialnega pristopa k zdravljenju s kakovostjo oskrbe bolnikov [Doctoral dissertation, University of Ljubljana]. University of Ljubljana Repository. https://repozitorij.uni-lj.si/IzpisGradiva.php?id=94273
- Makivić, I., & Klemenc-Ketiš, Z. (2022). Scale for measuring the biopsychosocial approach of family physicians. Family Medicine and Community Health, 10(2), e001407. https://doi.org/10.1136/fmch-2021-001407
- Makivić, I., Klemenc-Ketiš, Z., & Kersnik, J. (2016). The role of the psychosocial dimension in the improvement of quality of care: A systematic review. Zdravstveno Varstvo, 55(1), 86–94. https://doi.org/10.1515/sjph-2016-0012
- Street, R. L., Krupat, E., Bell, R. A., Kravitz, R. L., & Haidet, P. (2003). Beliefs about control in the physician-patient relationship: Effect on communication in medical encounters. Journal of General Internal Medicine, 18(8), 609–616. https://doi.org/10.1046/j.1525-1497.2003.20749.x