David Braithwaite is an Associate Professor at The Florida State University , affiliated with the Department of Psychology . He directs the Queen of the Sciences Lab , focusing on mathematical and logical reasoning, learning, and development through behavioral studies and computational modeling. His research explores key areas including rational number knowledge , mathematical explanations , executive function in math problem-solving , and cross-notation understanding of fractions and decimals . He emphasizes improving educational practices by addressing cognitive processes in arithmetic learning. Recent publications highlight his Unified Model of Arithmetic (UMA) , investigations into individual differences in rational number processing , and analyses of notation affordances across cultures . His work also addresses causally ambiguous statistical language and its impact on research interpretation. Dr. Braithwaite mentors graduate and undergraduate researchers in cognitive development studies and recruits actively for his lab. He previously held postdoctoral positions at Carnegie Mellon University and earned his Ph.D. from Indiana University in 2014.














