Based on research analysis, the explanation the researcher would give for the finding that volunteers with egoistic motives tend to remain active volunteers longer than those with more altruistic motives is that "Altruistic motives do not stand up against the personal costs of helping for long."
It is believed that altruistic motives are the motives in which individuals' motives ensure that others benefit more than themselves.
However, considering this research event, it shows that altruistic motives are less desirable than personal costs.
Hence, in this case, it is concluded that the personal cost outweighs the altruistic motives regarding human decisions.
Learn more about altruistic motives here: https://brainly.com/question/12120214
