Participants
The sample was composed of 70 participants (50% females), between 13
and 17 years old (M = 14.53, SD = 0.76). Participants were
third (61.4%) and fourth (38.6%) year students of Secondary Compulsory
Education (ESO) of high schools in Spain. Regarding race and ethnicity,
80% (n = 56) of the sample was white, 14.3% (n = 10) was
from Latin America, and 5.7% (n = 4) was Maghrebi. Participation
was voluntary.
The aim of the study was described along with the information about the
confidentiality and anonymity of the data. For underage participants, an
informed consent form signed by their parents or legal guardians was
required. Students who returned the signed consents were asked about
their dating relationships, as to be eligible to participate in the
study it was necessary to have had at least one relationship. Of the 100
students who returned their consents, 70 fulfilled the inclusion
criteria. The average duration of the relationship was four months
(SD = 1.9).