In this episode, Susan Lambert talks to Gina Cervetti, Ph.D., about literacy development, knowledge building, vocabulary expansion\u2014and the deep connections between all three. Gina explains why she sees knowledge and vocabulary as two sides of the same coin. She also attempts to expand the listener's understanding of what knowledge really is; it\u2019s not just subject-area knowledge, it\u2019s also cultural knowledge. In this process, she introduces the idea of conceptual coherence, the benefits of thi...