They note the method's inability to detect various strong commonalities even between well-studied branches of AA.
ðeɪ nˈoʊt ðə mˈɛθədz ɪnɐbˈɪləɾi tə dɪtˈɛkt vˈɛɹiəs stɹˈɔŋ kˌɑːmənˈælᵻɾiz ˈiːvən bᵻtwˌiːn wˈɛlstˈʌdid bɹˈæntʃᵻz ʌv ˌeɪˈeɪ.