Now, more than ever, American students at all grade levels face intense pressure to increase academic performance--including kindergarteners. Given that prior research has well established that mistakes and corrective feedback are key elements of the learning endeavor, it is critical to closely examine teachers' mistake-related experiences within…

This paper describes the technical adequacy and potential uses of an observation system used to measure the quality of literacy instruction in kindergarten classrooms. The Classroom Observations of Student-Teacher Interactions (COSTI) documents the frequency of four student-teacher interactions during beginning reading instruction: explicit…