What does morality have to do with psychology in a value-neutral, postmodern world? According to a provocative new book, everything.

Taking exception with current ideas in the mainstream (including cultural, evolutionary, and neuropsychology) as straying from the discipline s ethical foundations, Psychology as a Moral Science argues that psychological phenomena are inherently moral, and that psychology, as prescriptive and interventive practice, reflects specific moral principles.

The book cites normative moral standards, as far back as Aristotle, that give...