There are three concerns regarding Rachlin's altruism model. First, proximal causal mechanisms such as those identified by cognitive neuroscientists and behavioral neuropharmacologists are not emphasized. Second, there is a lack of clear testable hypotheses. And third, extreme forms of altruism are emphasized rather than common forms. We focus on an overarching theme – proximal mechanisms of individual differences in altruism.

The Oxford Handbook of Parenting and Moral Development provides a collection of state-of-the-art theories and research on the role that parents play in moral development. Contributors who are leaders in their fields take a comprehensive, yet nuanced approach to considering the complex links between parenting and moral development.