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Does Personality Predict Culture Fit?
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This validation study examines whether a personality assessment can predict both individual performance and cultural alignment at a tech company. Testing 10 outcomes, from overall effectiveness to specific cultural pillars like problem-solving and customer centricity, it answers the question of whether the behaviors that define your culture can be predicted before someone is hired.

Main findings:

  • Personality predicted performance and cultural alignment across all 10 outcomes, with an average correlation of .21.
  • Culture fit is measurable and predictable, when defined precisely and tested against real performance data.
  • Consistent use of personality data over resume screening translates to up to 10% more accurate staffing decisions.
  • All 10 models passed fairness testing across gender, age, and ethnicity, confirming equitable use across diverse workforces.

Authors
Director of AI and Assessment R&D at Deeper Signals
Dr. Luke Treglown

Dr. Luke Treglown is a personality and social psychologist, specializing in personality, cognition, resilience, burnout, organizational culture, and artificial intelligence, and he holds a PhD in the psychology of employee disenchantment. Luke has published more than 35 papers and books, with work featured in leading journals and outlets including the BBC and the European Business Review. He has advised governments, royal families, and global organizations on leadership, talent, and culture.

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