The motivation of altruism is also the focus of study; for example, one study links the occurrence of moral outrage to altruistic compensation of victims.
ðə mˌoʊɾɪvˈeɪʃən ʌv ˈɔːltɹuːˌɪzəm ɪz ˈɔːlsoʊ ðə fˈoʊkəs ʌv stˈʌdi; fɔːɹ ɛɡzˈæmpəl, wˈʌn stˈʌdi lˈɪŋks ðɪ əkˈɜːɹəns ʌv mˈɔːɹəl ˈaʊtɹeɪdʒ tʊ ˌɔːltɹuːˈɪstɪk kˌɑːmpənsˈeɪʃən ʌv vˈɪktɪmz.