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Developmental, child, family and couple

Sternberg Triangular Love Scale.

TLS

What it measures
Sternberg's triangular theory of love: intimacy, passion, and decision/commitment.
Length and format
45 (15 per subscale); a 12-item short form exists. 9-pt Likert (self-report questionnaire)
Language versions
~30 languages; the basis of a large multi-country validation (Sorokowski et al. 2021, ~25 countries)
Normative data
No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.
Licence
open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference
Sternberg, R. J. (1997). Construct validation of a triangular love scale. European Journal of Social Psychology, 27(3), 313-335.

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