How altruism is framed, organized, carried out, and what motivates it at the group level is an area of focus that sociologists investigate in order to contribute back to the groups it studies and "build the good society".
hˌaʊ ˈɔːltɹuːˌɪzəm ɪz fɹˈeɪmd, ˈɔːɹɡənˌaɪzd, kˈæɹid ˈaʊt, ænd wʌt mˈoʊɾᵻvˌeɪts ɪɾ æt ðə ɡɹˈuːp lˈɛvəl ɪz ɐn ˈɛɹiə ʌv fˈoʊkəs ðæt sˌoʊsɪˈɑːlədʒˌɪsts ɪnvˈɛstᵻɡˌeɪt ɪn ˈɔːɹdɚ tə kəntɹˈɪbjuːt bˈæk tə ðə ɡɹˈuːps ɪt stˈʌdiz ænd "bˈɪld ðə ɡˈʊd səsˈaɪəɾi".