| A | B |
| altruism | the unselfish concern for the welfare of others. |
| socialization | children who observed simple reciprocal acts of altruism were far more likely to exhibit altruistic actions |
| social norms | a social expectation in which we feel pressured to help others if they have already done something for us (reciprocity) |
| cognitive incentives | feeling empathy may help alleviate the negative feelings associated with seeing someone else in distress |
| kin selection | people are more likely to help those who are blood relatives |
| brain-based rewards | pleasure centers of their brain become more active when people act altrusively |
| religion | people of faith are more likely to help a stranger |
| social responsibility norm | says that we should help those needing our help even if the costs outweigh the benefits (especially true if woman or child need help) |