Professional Health Psychology is the specialty that applies psychological theory, scientific research, and clinical evidence to the promotion and maintenance of health, the prevention and management of illness, and the analysis of healthcare systems and policy. Formally recognized as Division 38 of the American Psychological Association (APA) and established through the Matarazzo Taxonomy (1980), health psychology encompasses Clinical Health Psychology (bedside and outpatient treatment of patients with medical illnesses), Public Health Psychology, and Community Health Psychology. The Health Psychology Professional Specialization Psychoeducation Module delivers 14 structured video lessons covering Matarazzo’s behavioral health matrix, the Health Belief Model, illness representations, and multidisciplinary medical team integration.
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Joseph Matarazzo’s Foundational Taxonomy (1980)
Matarazzo defined health psychology across four overarching systemic objectives:
- Health Promotion & Maintenance: Designing evidence-based interventions to foster regular physical activity, nutritional vitality, and sleep architecture.
- Prevention & Treatment of Illness: Modifying behavioral pathogen habits (smoking, sedentary lifestyles) and training medical patients in symptom management.
- Etiological & Diagnostic Correlates: Investigating the psychoneuroimmunological mechanisms linking chronic stress, personality traits, and physical pathophysiology.
- Healthcare System Analysis & Policy: Improving patient-provider communication, hospital environmental ergonomics, and healthcare policy reform.
The Health Belief Model (HBM)
Health decisions are driven by cognitive appraisals: Perceived Susceptibility (chance of getting ill), Perceived Severity (consequences of illness), Perceived Benefits (effectiveness of health action), and Perceived Barriers (costs, pain, inconvenience), triggered into action by internal or external Cues to Action.
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