Read: Experiments in Ethics
Experimental philosophy is not as young an academic field as it might seem. Not only do I know philosophers that already relied on (economic) experiments far longer than wikipedia dates the birth of the field, Appiah quite correctly points to a number of ancient and classical philosophers who relied on empirical research. And he points to a number of empirical scientist in psychology, sociology, and economics who without hesitation can be classified as philosophers as well. Indeed, I am quite convinced that all these academic disciplines not only share some of their objectives but have a substantial overlap.
Appiah's Experiments in Ethics is a remarkable historical and methodological account of morality from the philosopher's perspective. He offers a balanced view, he never sugarcoats problems with the philosophical methodology and does not shy away from picking to pieces what he thinks is a futile exercise in thought experiments. He advocates a joint approach of the different disciplines to “sustain what's good in our lives.” He never entertains the illusion that there is a simple answer. In contrast, he candidly admits the complexity of research on morality, what constitutes goodness.
Even though the book – as seems typical for a philosophical treatise – poses more questions than it offers answers I rather enjoyed reading it…
In the end, one of the most important insights that Appiah is offering his readers is in my opinion: “In life, the challenge is not so much to figure out how best to play the game; the challenge is to figure out what game you're playing.”