mˈæk wˈɪni hɐz dɪvˈɛləpt ɐ mˈɑːdəl ʌv fˈɜːst ænd sˈɛkənd lˈæŋɡwɪdʒ ɐkwɪsˈɪʃən æz wˈɛl æz lˈæŋɡwɪdʒ pɹˈɑːsɛsɪŋ kˈɔːld ðə kˌɑːmpətˈɪʃən mˈɑːdəl.
MacWhinney has developed a model of first and second language acquisition as well as language processing called the competition model.