Triangular Love Scale (TLS-15)

tls_15()

Social and Interpersonal Factors
Relationship Satisfaction
Sternberg’s triangular love theory questionnaire. A shorter version of TLS-45, that measures three components of love: intimacy, passion, and commitment.

Module

velesresearch.questionnaires.hu.tls_15

Import

from velesresearch.questionnaires.hu.tls_15 import tls_15

Original

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.

Reverse items

None.

Subscales

  1. Intimacy: 1, 2, 3, 4, 5
  2. Passion: 6, 7, 8, 9, 10
  3. Commitment: 11, 12, 13, 14, 15

Reliability

α = .95

Subscales

  1. Intimacy: α = .89
  2. Passion: α = .89
  3. Commitment: α = .92

Implemented by

Jakub Jędrusiak (University of Wrocław)

Args

name : str
Base name for pages and questions. Defaults to “tls_15”.

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 TLS-15 questionnaire. Use the * operator to unpack it to questions.