5The concept of alexithymia refers to impairments in the ability to identify and communicate feelings. Alexithymia has repeatedly been linked to attachment impairments and different types of symptomatology, in particular, depression and somatic complaints. Very few studies have focused on children or adolescents when addressing this construct. Additionally, to date, there is no self-report questionnaire of alexithymia for such groups in the Spanish language. The main objectives of this study were therefore, (a) to translate and adapt the Alexithymia Questionnaire for Children to Spanish; (b) to assess the factor structure of the adapted questionnaire; and (c) to describe its reliability and validity, in a sample of N = 265 Peruvian adolescents aged 11-18 years. Internal consistency was acceptable for the DIF subscale 1 Acknowledgments to Carolien Rieffe, Leiden University, The Netherlands, for providing the original Dutch and English versions of the Alexithymia Questionnaire for Children and to the "Fonds Dr. Pierre Vereecken" from the University KU Leuven for providing funding for this research project.