Evidence library
Research sources and evidence
Print of You is not a validated psychological test. This bibliography shows the work used to frame its questions, guardrails and limitations—not proof that this product is accurate.
Publication titles, author names and venue names remain in their original bibliographic form.
Measurement and validation
Public item banks, testing standards and methods for asking whether different instruments and languages measure the same thing.
Measurement scale
1992–
International Personality Item Pool: Big-Five Factor Markers
Goldberg, L. R. and the International Personality Item Pool
ipip.ori.org
Open sourceMeasurement scale
2017
The next Big Five Inventory (BFI-2)
Soto, C. J. & John, O. P.
Journal of Personality and Social Psychology
Open sourceDataset
2016–
SAPA Personality Inventory
Revelle, W. et al.
personality-project.org
Open sourceProfessional standard
2014
Standards for Educational and Psychological Testing
AERA, APA & NCME
American Educational Research Association
Open sourceTheory or methods framework
1959
Convergent and discriminant validation by the multitrait-multimethod matrix
Campbell, D. T. & Fiske, D. W.
Psychological Bulletin
Open sourceTheory or methods framework
2016
Measurement invariance conventions and reporting
Putnick, D. L. & Bornstein, M. H.
Developmental Review
Open source
Relationships and partner preferences
Studies and scales on relationship quality, responsiveness, attachment context, satisfaction and stated partner ideals.
Meta-analysis or research synthesis
2020
Machine learning uncovers the most robust self-report predictors of relationship quality across 43 longitudinal couples studies
Joel, S. et al.
PNAS
Open sourceMeta-analysis or research synthesis
2014
The predictive validity of ideal partner preferences: A review and meta-analysis
Eastwick, P. W., Luchies, L. B., Finkel, E. J. & Hunt, L. L.
Psychological Bulletin
Open sourceMeta-analysis or research synthesis
2025
A worldwide test of the predictive validity of ideal partner preference-matching
Eastwick, P. W. et al.
PMC
Open sourceMeasurement scale
2011
The Experiences in Close Relationships—Relationship Structures questionnaire
Fraley, R. C., Heffernan, M. E., Vicary, A. M. & Brumbaugh, C. C.
Psychological Assessment
Open sourceEmpirical study
1998
Intimacy as an interpersonal process
Laurenceau, J.-P., Barrett, L. F. & Pietromonaco, P. R.
Journal of Personality and Social Psychology
Open sourceMeasurement scale
2021
Perceived Responsiveness and Insensitivity scales
Crasta, D., Rogge, R. D. et al.
Psychological Assessment
Open sourceMeasurement scale
2007
Couples Satisfaction Index
Funk, J. L. & Rogge, R. D.
Journal of Family Psychology
Open sourceMeasurement scale
2004
Measurement of communal strength
Mills, J., Clark, M. S., Ford, T. E. & Johnson, M.
Personal Relationships
Open source
AI-based personality inference
Published tests closest to inferring personality from conversations or interviews, including evidence of where those inferences remain weak.
Empirical study
2023
How well can an AI chatbot infer personality? Examining psychometric properties of machine-inferred personality scores
Fan, J. et al.
Journal of Applied Psychology
Open sourceEmpirical study
2025
Benchmarking LLM personality inference from real interviews
(preprint)
arXiv
Open source
Values, matching and two-person analysis
Work on cross-cultural values, dyadic methods and the evidence required before claiming that two people match.
Measurement scale
2022
Measuring the refined theory of individual values in 49 cultural groups
Schwartz, S. H. & Cieciuch, J.
Assessment
Open sourceBook
2006
Dyadic Data Analysis
Kenny, D. A., Kashy, D. A. & Cook, W. L.
Guilford Press
Open sourceTheory or methods framework
2019
Best practices for testing the predictive validity of ideal partner preference-matching
Eastwick, P. W., Finkel, E. J. & Simpson, J. A.
Personality and Social Psychology Bulletin
Open source
Longitudinal and public datasets
Datasets that can provide base rates, repeated observations or item-level material for future calibration. Their availability does not mean this product has been calibrated against them.
Dataset
2009–2022
How Couples Meet and Stay Together
Rosenfeld, M. J., Thomas, R. J. & Hausen, S.
Stanford University Libraries
Open sourceDataset
2008–
pairfam: German Family Panel
Huinink, J. et al.
paneldata.org
Open sourceDataset
2016–2019
Raw data from online personality tests (IPIP-FFM, ECR, HEXACO, FTI)
Open Psychometrics
openpsychometrics.org
Open source