| Research shows that women‘s preferences for masculine voices (low pitch) vary as a function of the menstrual cycle, becoming positively augmented around ovulation. The proximate cause catalyzing this effect is attributed to fluctuating estrogen levels. Thus, the introduction of hormonally based birth control has been to shown to have a dampening effect in experiments researching women‘s preference of dimorphic secondary sexual characteristics. However, this dampening effect has not yet been explored in respect to women‘s preferences for masculine voice types. This experiment sought, first, to investigate the effect of birth control on subjects off and on birth control; and, second, to replicate past findings:... |