ɐkˈoːɹdɪŋ tə dʒˈeɪkəbz ænd dʒˈɑːnsən tˈuː θˈaʊzənd nˈaɪn mˈɪkst ɡɹˈuːp ɹᵻvjˈuːz "ˈæd ɐ juːnˈiːk pɚspˈɛktɪv tə ðə pɹˈɑːsɛs ænd ɑːɹ sˈʌmtaɪmz ˈeɪbəl tə sˈiː θˈɪŋz ðæt ˈʌðɚ tˈiːtʃɚz duːnˈɑːt" pˈiː. fˈɪfti ˈeɪt.
According to Jacobs and Johnson (2009) mixed group reviews "add a unique perspective to the process and are sometimes able to see things that other teachers do not" (p. 58).