Triangular Love Scale (TLS-15)
tls15()
Social and Interpersonal Factors
  
    Sternberg’s triangular love theory questionnaire. A shorter version of TLS-45, that measures three components of love: intimacy, passion, and commitment.
  
Module
veleslibrary.questionnaires.tls15
Import
from veleslibrary.questionnaires.tls15 import tls15Original
Kowal, M., Sorokowski, P., Dinić, B. M., Pisanski, K., Gjoneska, B., Frederick, D. A., Pfuhl, G., Milfont, T. L., Bode, A., Aguilar, L., García, F. E., Roberts, S. C., Abad-Villaverde, B., Kavčič, T., Miroshnik, K. G., Ndukaihe, I. L. G., Šafárová, K., Valentova, J. V., Aavik, T., … Sternberg, R. J. (2024). Validation of the short version (TLS-15) of the triangular love scale (TLS-45) across 37 languages. Archives of Sexual Behavior, 53(2), 839–857. https://doi.org/10.1007/s10508-023-02702-7
Sternberg, R. J. (1988). The triangle of love: Intimacy, passion, commitment. Basic Books.
Sternberg, R. J. (1997). Construct validation of a triangular love scale. European Journal of Social Psychology, 27(3), 313–335. https://doi.org/10.1002/(SICI)1099-0992(199705)27:3<313::AID-EJSP824>3.0.CO;2-4
Score calculation
An average. Can be calculated separately for the subscales or for the whole questionnaire.
Reverse items
None.
Subscales
- Intimacy: 1, 2, 3, 4, 5
- Passion: 6, 7, 8, 9, 10
- Commitment: 11, 12, 13, 14, 15
Reliability
α = .95
Subscales
- Intimacy: α = .89
- Passion: α =.89
- Commitment: α = 0.92
Implemented by
Ksawery Łakomy (University of Wrocław)
Args
name : str
 Base name for pages and questions. Defaults to “TLS15”.
instruction : str
 Instruction for the questionnaire. None means that the default instruction will be used.
questionOptions : dict | None
 Additional options for questions as a dictionary. Defaults to None.
pageOptions : dict | None
 Additional options for pages as a dictionary. Defaults to None.
Returns
PageModel
 PageModel with the TLS15 questionnaire.