stˈʌdiz hæv sədʒˈɛstᵻd ðæt ðɪs tɹˈeɪt wʌzðə stɹˈɔŋɡɪst ænd mˈoʊst ɪnfˈɔːɹmətˌɪv pɹɪdˈɪktɚɹ ʌv mˈeɪl kˈoːɹtʃɪp səksˈɛs.
Studies have suggested that this trait was the strongest and most informative predictor of male courtship success.