ion in Dyads -1 The Emergence of Abstract Representations in Dyad Problem Solving Daniel L. Schwartz Peabody College, Vanderbilt University ! " # $ % & ! ' ( ) * + * % # $ , $ . / , * $ / * 0 1 2 3 4 2 5 Running Head: Abstraction in Dyads Requests for reprints should be sent Daniel L. Schwartz, Department of Psychology and Human Development, Peabody College,Vanderbilt University, Nashville, TN ...