How Much Replication Is Enough? Balancing Novelty and Replication in a Truth-Driven Evolutionary Simulation
Harper, K.T., & Schönbrodt, F. (2026).
MetaArXiv [preprint]. https://doi.org/10.31222/osf.io/x7n9h_v1
No evidence of genetic basis to variation in human offspring sex ratio
Harper, K. T., Kuja-Halkola, R., Verweij, K. J. H., Magnusson, P. K. E., & Zietsch, B. P. (2026).
Behavior Genetics, 56(3), 131–137. https://doi.org/10.1007/s10519-026-10266-0
Extending reproducibility to theory: Theoretical reproducibility and precision as foundations of cumulative science
Glöckner, A., Burkhardt, M., Frank, M., Fuenderich, J., Gießing, C., Haim, M., Harper, K., Melinscak, F., Renkewitz, F., tho Pesch, F., & Schmalz, X. (2026).
PsyArXiv [preprint]. https://doi.org/10.31234/osf.io/f6tja_v1
The attractive personality: Like me, but better
Kleppestø, T. H., Bendixen, M., Sunde, H. F., Zietsch, B., Harper, K. T., Karlsen, H., Stavang, M., Eftedal, N. H., & Kennair, L. E. O. (2026).
Evolution and Human Behavior, 47(1). https://doi.org/10.1016/j.evolhumbehav.2025.106811
Assortative Mating is a Natural Consequence of Heritable Mate Preferences and Preferred Traits
Harper, K. T., & Zietsch, B. P. (2024).
Psychological Science, 36(10). https://doi.org/10.1177/09567976251365900
Multivariate Mate Choice Constrains Mate Preference Evolution
Harper, K. T., & Zietsch, B. P. (2024).
Evolution and Human Behaviour, 46(4). https://doi.org/10.1016/j.evolhumbehav.2025.106694
Agent-Based Modelling shows that Operation of Fisher’s Principle Does Not Deplete Heritability in Offspring Sex Ratio
Harper, K.T., Sidari, M.J., & Zietsch, B.P. (2023).
BioRxiv [preprint]. https://www.biorxiv.org/content/10.1101/2023.04.04.535652v1
Evidence from millions of births refutes the Trivers-Willard hypothesis in humans
Harper, K. T., & Zietsch, B. P. (2023).
Evolution and Human Behavior, 45(1), 127-128. https://doi.org/10.1016/j.evolhumbehav.2023.07.002
No evidence that religious celibacy confers inclusive fitness benefits: a comment on: ‘Religious celibacy brings inclusive fitness benefits’ Micheletti et al. (2022)
Von Pein, L. I., Harper, K. T., & Zietsch, B. P. (2023).
Proceedings of the Royal Society B, 290(2001). https://doi.org/10.1098/rspb.2023.0176
The Role of Accurate Self-Assessments in Optimizing Mate Choice
Harper, K. T., Stanley, F., Sidari, M. J., Lee, A. J., & Zietsch, B. P. (2022).
Personality and Social Psychology Bulletin, 50(4), 587-596. https://doi.org/10.1177/01461672221135955