Using kinship terms in political speeches increased audience agreement with the speaker in one study.
jˈuːzɪŋ kˈɪnʃɪp tˈɜːmz ɪn pəlˈɪɾɪkəl spˈiːtʃᵻz ɪŋkɹˈiːst ˈɔːdiəns ɐɡɹˈiːmənt wɪððə spˈiːkɚɹ ɪn wˈʌn stˈʌdi.