Validation of the short version (TLS‑15) of the triangular love scale (TLS‑45) across 37 languages
Fecha
2023-09-05Autor
Kowal, Marta
Sorokowski, Piotr
Dinić, Bojana M.
Pisanski, Katarzyna
Gjoneska, Biljana
Frederick, David A.
Pfuhl, Gerit
Milfont, Taciano L.
Bode, Adam
Aguilar, Leonardo
García, Felipe E.
S. Craig, Roberts
Abad‑Villaverde, Beatriz
Kavčič, Tina
Miroshnik, Kirill G.
Ndukaihe, Izuchukwu L. G.
Šafárová, Katarína
Valentova, Jaroslava V.
Aavik, Toivo
Blackburn, Angélique M.
Çetinkaya, Hakan
Duyar, Izzet
Guemaz, Farida
Ishii, Tatsunori
Kačmár, Pavol
Natividade, Jean C.
Nussinson, Ravit
Omar‑Fauzee, Mohd Sofian B.
T. Pacquing, Ma. Criselda
Ponnet, Koen
Wang, Austin H.
Yoo, Gyesook
Amin, Rizwana
Pirtskhalava, Ekaterine
Afhami, Reza
Arvanitis, Alexios
Atamturk Duyar, Derya
Besson, Théo
Boussena, Mahmoud
Can, Seda
Can, Ali R.
Carneiro, Joao
Castro, Rita
Chubinidze, Dimitri
Čunichina, Ksenija
Don, Yahya
Dural, Seda
Etchezahar, Edgardo
Fekih‑Romdhane, Feten
Frackowiak, Tomasz
Ghahraman Moharrampour, Nasim
Gómez Yepes, Talía
Grassini, Simone
Jovic, Marija
Kertechian, Kevin S.
Khan, Farah
Kobylarek, Aleksander
Križanić, Valerija
Lins, Samuel
Mandzyk, Tetyana
Manunta, Efisio
Martinac Dorčić, Tamara
N. Muthu, Kavitha
Najmussaqib, Arooj
Otterbring, Tobias
Hee Park, Ju
Pavela Banai, Irena
Perun, Mariia
S. Reyes, Marc Eric
P. Röer, Jan
Şahin, Ayşegül
Zahra Sahli, Fatima
Šakan, Dušana
Singh, Sangeeta
Smojver‑Azic, Sanja
Söylemez, Sinem
Spasovski, Ognen
Studzinska, Anna
Toplu‑Demirtas, Ezgi
Urbanek, Arkadiusz
Volkodav, Tatiana
Wlodarczyk, Anna
Mohd Y Yaakob, Mohd Faiz
Rahimi Yusof, Mat
Zumárraga‑Espinosa, Marcos
Zupančič, Maja
Sternberg, Robert J.
Metadatos
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Love is a phenomenon that occurs across the world and affects many aspects of human life, including the choice of, and process
of bonding with, a romantic partner. Thus, developing a reliable and valid measure of love experiences is crucial. One
of the most popular tools to quantify love is Sternberg’s 45-item Triangular Love Scale (TLS-45), which measures three love
components: intimacy, passion, and commitment. However, our literature review reveals that most studies (64%) use a broad
variety of shortened versions of the TLS-45. Here, aiming to achieve scientific consensus and improve the reliability, comparability,
and generalizability of results across studies, we developed a short version of the scale—the TLS-15—comprised
of 15 items with 5-point, rather than 9-point, response scales. In Study 1 (N = 7,332), we re-analyzed secondary data from a
large-scale multinational study that validated the original TLS-45 to establish whether the scale could be truncated. In Study
2 (N = 307), we provided evidence for the three-factor structure of the TLS-15 and its reliability. Study 3 (N = 413) confirmed
convergent validity and test–retest stability of the TLS-15. Study 4 (N = 60,311) presented a large-scale validation across
37 linguistic versions of the TLS-15 on a cross-cultural sample spanning every continent of the globe. The overall results
provide support for the reliability, validity, and cross-cultural invariance of the TLS-15, which can be used as a measure of
love components—either separately or jointly as a three-factor measure.
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