Bias is inherent in decision-making because human beings, despite their best efforts, will always bring their point of view into the game. That’s certainly the case with baseball umpires. Research by Etan Green , a Wharton professor of operations, information and decisions, shows how umpires adjust their calls based on what information they think they know when a play is in motion. The research, “ What Does it Take to Call a Strike? Three Biases in Umpire Decision Making ,” which was co-authored with Stanford’s David P. Daniels, has implications for the accuracy of decision-making in realms outside of sports. Green explained to Knowledge at Wharton why “opportunities for statistical discrimination are everywhere.” An edited transcript of the conversation follows. Knowledge at Wharton: Can you give us an overview of your research?…