The test statistics of this derived linear model are closely approximated by the test statistics of an appropriate normal linear model, according to approximation theorems and simulation studies.
ðə tˈɛst stɐtˈɪstɪks ʌv ðɪs dᵻɹˈaɪvd lˈɪnɪɹ mˈɑːdəl ɑːɹ klˈoʊsli ɐpɹˈɑːksɪmˌeɪɾᵻd baɪ ðə tˈɛst stɐtˈɪstɪks əvən ɐpɹˈoʊpɹɪət nˈoːɹməl lˈɪnɪɹ mˈɑːdəl, ɐkˈoːɹdɪŋ tʊ ɐpɹˌɑːksɪmˈeɪʃən θˈiəɹəmz ænd sˌɪmjʊlˈeɪʃən stˈʌdiz.