Scientific References & Further Reading

Explore some of the scientific literature that informs the Persometrics approach to biomarkers, psychometrics and wellbeing.

Our approach to evidence

Persometrics aims to base its educational reports and interpretations on peer-reviewed scientific research wherever possible.

The references below represent a selection of publications that have informed the development of our questionnaires, biomarker interpretation, educational reports and scientific approach.

Science evolves continuously. Accordingly, our educational content is reviewed periodically to reflect developments in the published literature.

These publications explore stress physiology, burnout, the hypothalamic-pituitary-adrenal (HPA) axis, and psychological models of chronic stress.

Maslach C, Leiter MP

Early Predictors of Job Burnout and Engagement

Journal of Applied Psychology (2008)

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Montero-Marín J, Skapinakis P, Araya R, Gili M, García-Campayo J

Towards a brief definition of burnout syndrome by subtypes: Development of the Burnout Clinical Subtypes Questionnaire (BCSQ-12)

Health and Quality of Life Outcomes (2011)

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These publications describe the scientific basis for salivary hormone testing, particularly cortisol, and the strengths and limitations of saliva as a biological sampling medium.

Hellhammer DH, Wüst S, Kudielka BM

Salivary cortisol as a biomarker in stress research

Psychoneuroendocrinology (2009)

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Rothe N, Vogel S, Schmelzer K, et al.

The moderating effect of cortisol and dehydroepiandrosterone on the relation between sleep and depression or burnout

Comprehensive Psychoneuroendocrinology (2021)

The questionnaires available through Persometrics are based on validated psychometric instruments developed and tested in the scientific literature.

Maslach C

Burned-Out

Human Relations (1976)

These publications relate to exercise, recovery, physiological stress and the interpretation of hormone responses in the context of physical activity.

Reilly T, Ekblom B

The use of recovery methods post-exercise

Journal of Sports Sciences (2005)

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Schwab R, Johnson G, Housh T, Kinder J, Weir J

Acute Effects of Different Intensities of Weight Training on Serum Testosterone

Medicine and Science in Sports and Exercise (1993)

These publications cover nutrition, metabolism, dietary patterns and their relationship with physiological regulation and health.

Gibson EL, Checkley S, Papadopoulos A, Poon L, Daley S, Wardle J

Increased salivary cortisol reliably induced by a protein-rich midday meal

Psychosomatic Medicine (1999)

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Lonnie M, Hooker E, Brunstrom JM, et al.

Protein for Life: Review of Optimal Protein Intake, Sustainable Dietary Sources and the Effect on Appetite in Ageing Adults

Nutrients (2018)

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