Associate Professor at the Institute of Psychology, University of Wrocław

Marta Kowal

I study how people love and choose partners, in research spanning more than 100 countries.

Dr Marta Kowal, evolutionary psychologist at the University of Wrocław

Current study, recruiting collaborators

Cross-cultural study on love and well-being

A study of couples in more than 50 countries. Data collection starts in September 2026, and the team is being formed now.

Members of the research team at a conference
Part of the team: Ania Kusztal, Marta Kowal, Michał Misiak, Piotr Sorokowski, Grzegorz Jankiewicz

What you do

Proof-read the survey in your language and collect data from at least 30 couples through your own online link.

What you get

One co-authorship slot for every 30 couples. Collect 100 couples and you are on every paper from the project.

How long it takes

From a few hours to a few dozen, spread over several months, depending on how you recruit.

TLS-15, the Triangular Love Scale

A 15-item measure of intimacy, passion and commitment, validated in 37 languages and free for academic use.