Table 1 Altruism in a framework of effects on self and other(s)
 | Cost to another | Benefit to another |
---|---|---|
Cost to actor | Spite | Altruism |
Benefit to actor | Selfishness | Mutualism |
 | Cost to another | Benefit to another |
---|---|---|
Cost to actor | Spite | Altruism |
Benefit to actor | Selfishness | Mutualism |