“…In order to control for potential effects of hormonal fluctuations (i.e., known effects on mood, physiological function, etc. ), we excluded female volunteers who did not report at least a 3-month history of regular menstrual cycles lasting 21 to 35 days and/or were using oral contraceptives (Asso 1986;Gómez-Amor, Martínez-Selva, Román & Zamora, 1990;Gómez-Amor, Martínez-Selva, Román, Zamora & Sastre, 1990). The final sample was composed of 90 women and 74 men, all students from the university, between 18 and 25 years of age (= 20.40, SD = 1.59), with a body mass index (BMI) of 23.39 ± 3.42 kg/m 2 .…”