bɹˈʌnswɪks mˈeɪn fˈiːld ʌv ɛmpˈɪɹɪkəl ɹᵻsˈɜːtʃ wʌz pɚsˈɛpʃən, bˌʌt hiː ˈɔːlsoʊ bɹˈɔːt hɪz pɹˌɑːbəbɪlˈɪstɪk ɐpɹˈoʊtʃ tə bˈɛɹ ˌɔn pɹˈɑːbləmz ʌv ˌɪntɚpˈɜːsənəl pɚsˈɛpʃən, θˈɪŋkɪŋ, lˈɜːnɪŋ, ænd klˈɪnɪkəl saɪkˈɑːlədʒi.
Brunswik's main field of empirical research was perception, but he also brought his probabilistic approach to bear on problems of interpersonal perception, thinking, learning, and clinical psychology.