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Ventura León, J., Caycho Rodríguez, T., Jara Avalos, S., Yañez, J., Icochea, K., & Rodas, N. (2020). Evidence of validity and factorial invariance of the Sternberg Love Scale Brief Spanish Version. Acta Colombiana De Psicología, 23(2), 86–110.

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This study aims to adapt, provide evidence of validity, analyze the invariance across gender, and estimate the reliability of the reduced version of the Sternberg's Triangular Love Scale (STLS-R). The sample size comprises 988 Peruvians (748 females and 240 males), who had been in a relationship for at least one month, and whose ages ranged from16 to 54 years old (M=21.29; SD=3.91). Before the statistical analysis, the semantic equivalence was tested through the translation-back translation method. The results indicate that the three-dimensional STLS-R model present satisfactory goodness-of-fit in the data (χ2 (87) = 177.14; χ2/df =2.04; CFI =.99; RMSEA=.03 [.02, .04]; SRMR = .03) which is invariant with respect to gender, and show acceptable reliability regarding intimacy (ω = .91), commitment (ω = .93) and passion (ω = .86). The overall results offer sufficient valid evidence and suggest that the scale can be used in further studies. However, its effectiveness should still be tested in different regions of Peru.



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