Primary Research & Foundations

We ground our educational content and assessment structures in peer-reviewed psychometric research and foundational literature.

Distinction Between Academic Models & Our Questionnaires

The citations below represent peer-reviewed research on underlying psychological constructs developed by academic researchers over decades.

Personalities Lens provides accessible, online educational questionnaires inspired by these models. While the theoretical frameworks have extensive scientific literature, our specific questionnaires are informal educational tools designed for personal reflection, not clinical diagnostic tests.

Foundational Bibliography

Big Five / OCEAN Model

The five-factor model of personality traits (Openness, Conscientiousness, Extraversion, Agreeableness, Neuroticism) derived through lexical factor analysis.

Key Citations:
  • Goldberg, L. R. (1992). The development of markers for the Big-Five factor structure. Psychological Assessment, 4(1), 26-42.
  • Costa, P. T., & McCrae, R. R. (1992). Revised NEO Personality Inventory (NEO PI-R) and NEO Five-Factor Inventory (NEO-FFI) professional manual. Psychological Assessment Resources.
  • McCrae, R. R., & John, O. P. (1992). An introduction to the five-factor model and its applications. Journal of Personality, 60(2), 175-215.

HEXACO Model (Six-Factor)

A six-dimensional model adding the Honesty-Humility factor to capture ethical behavior, sincerity, and modesty across cross-cultural studies.

Key Citations:
  • Ashton, M. C., & Lee, K. (2007). Empirical, theoretical, and practical advantages of the HEXACO model of personality structure. Personality and Social Psychology Review, 11(2), 150-166.
  • Ashton, M. C., & Lee, K. (2004). The HEXACO-PI-R: A revised assessment of six major dimensions of personality. Journal of Personality Assessment, 83(3), 256-270.

DISC Behavioral Model

A four-quadrant behavioral preference framework (Dominance, Influence, Steadiness, Conscientiousness) introduced by William Moulton Marston for workplace interaction.

Key Citations:
  • Marston, W. M. (1928). Emotions of Normal People. Kegan Paul, Trench, Trubner & Co.
  • Geier, J. G. (1977). Personal Profile System: Development and validation. Performax Systems International.

Attachment Theory

Developmental bonding model exploring how early caregiver relationships shape adult patterns of emotional closeness, anxiety, and avoidance.

Key Citations:
  • Bowlby, J. (1969). Attachment and Loss: Vol. 1. Attachment. Basic Books.
  • Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of Attachment: A Psychological Study of the Strange Situation. Lawrence Erlbaum.
  • Hazan, C., & Shaver, P. (1987). Romantic love conceptualized as an attachment process. Journal of Personality and Social Psychology, 52(3), 511-524.

Emotional Intelligence (EQ)

Competency framework encompassing Self-Awareness, Self-Regulation, Motivation, Empathy, and Social Skills.

Key Citations:
  • Goleman, D. (1995). Emotional Intelligence: Why It Can Matter More Than IQ. Bantam Books.
  • Mayer, J. D., & Salovey, P. (1997). What is emotional intelligence? In P. Salovey & D. J. Sluyter (Eds.), Emotional development and emotional intelligence (pp. 3-31). Basic Books.

Holland Code (RIASEC)

Vocational interest typology matching individual interest profiles (Realistic, Investigative, Artistic, Social, Enterprising, Conventional) to work environments.

Key Citations:
  • Holland, J. L. (1997). Making Vocational Choices: A Theory of Vocational Personalities and Work Environments (3rd ed.). Psychological Assessment Resources.
  • Holland, J. L. (1959). A theory of vocational choice. Journal of Counseling Psychology, 6(1), 35-45.

VIA Character Strengths

Positive psychology classification of 24 character strengths organized under six core virtues.

Key Citations:
  • Peterson, C., & Seligman, M. E. P. (2004). Character Strengths and Virtues: A Handbook and Classification. Oxford University Press / American Psychological Association.
  • Seligman, M. E. P., Steen, T. A., Park, N., & Peterson, C. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60(5), 410-421.

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