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The Brief Prakriti Inventory: Latent structure, reliability, and validity.

Hemant Bhargav1, Umesh Chikkanna1, Bharath Holla1

  • 1Integrative Medicine, National Institute of Mental Health and Neurosciences, BENGALURU, Karnataka, 560029, India.

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Summary
This summary is machine-generated.

The Brief-Prakriti Inventory (BPI) is a new, validated tool for assessing Ayurvedic personality types (Vata, Pitta, Kapha). It offers a reliable method for understanding individual constitution in traditional Indian medicine.

Keywords:
AyurvedaIndividual DifferencesPersonality AssessmentPrakritiPsychometricsTraditional Medicine

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Area of Science:

  • Psychometrics
  • Integrative Medicine
  • Traditional Indian Medicine

Background:

  • Ayurveda conceptualizes personality (Prakriti) using three doshas: Vata, Pitta, and Kapha.
  • Existing Prakriti assessment tools lack psychometric validation and accessibility.
  • The Brief-Prakriti Inventory (BPI) was developed to address these limitations.

Purpose of the Study:

  • To develop and psychometrically validate the Brief-Prakriti Inventory (BPI).
  • To create a brief, accessible self-report instrument for assessing Ayurvedic personality types.

Main Methods:

  • A 21-item pool was refined from classical Ayurvedic texts and literature.
  • Psychometric evaluation included Multiple Correspondence Analysis (MCA), Latent Class Analysis (LCA), and Item Response Theory (IRT).
  • Validity was assessed through test-retest reliability, convergent, and divergent validity.

Main Results:

  • MCA showed distinct dosha-aligned item clustering.
  • LCA supported a three-class model for dominant dosha profiles.
  • The BPI demonstrated strong reliability (Vata=0.87, Pitta=0.75, Kapha=0.87) and validity.

Conclusions:

  • The BPI is a brief, reliable, and psychometrically validated tool for assessing Ayurvedic dosha typology.
  • The BPI facilitates biological phenotyping and personalized interventions in integrative health care.