Objective:

To establish the validity and dependability of the Sexual Self-Concept Inventory (SSCI) for early adolescent girls in Spanish among the Colombian population of Santander.

Materials and methods:

Methodological study with samples used for the theoretical construct validity of the study's dimensions and internal consistency. The sample consisted of 308 adolescent girls aged between 10 and 14 from two schools in Girón, Santander, Colombia.

Results:

Inventory of 34 items with three dimensions; exploratory factor analysis confirmed the three factors with a total variance of 43.261 %. The instrument reported internal consistency of α = 0.89 for the following dimensions: sexual arousability (0.908), sexual agency (0.812), and negative sexual affect (0.572).

Conclusions:

The SSCI in Spanish is dependable enough to evaluate a person's sexual behaviors or feelings and comprehend the sexual behavior of adolescent girls.

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