Literacy centers are widely used by teachers seen as being effective in promoting literacy (Pressley, Rankin, & Yokoi, 2000); yet little research has been completed on how or why they are effective. Based on the social cultural constructivist theory posited by Vygotsky (1978), and research theories of Dyson (1993), the peer dialogue at the…

Reviews the limitations of large-scale testing, as indicated by the Commission on Testing and Public Policy. Suggests implications for elementary language arts teachers, administrators, and teacher educators. Concludes with predictions regarding the state of assessment in the year 2000. (MG)