2006 नि आरोबाव मोनसे नायनिजिरनाय बायदिब्ला खाथि खालानि खैफोदखौ , आफ्रिका - आमेरिकानि जोहोलावफोरनि हायनाय फरायसालि थाखोफोरजों रुजुजादों ।
Neighborhood risk has been related to lower school grades for African American adolescents in another study from 2006 .