This commentary on the special issue on data use highlights the distinctions between data systems intended to improve the performance of school staff and those intended to hold schools and districts accountable for outcomes. It advises researchers to be alert to the differences in the policy logics connected with each approach.

Identifies and examines ethical issues involved when teachers conduct research involving their own students, exploring the movement to increase the relevance of research on and for teachers, discussing specific issues in teacher research, describing dual-role conflicts, and relating those problems to the difficulties of deciding what is research…

This article illustrates the contradictions between the collaborative paradigm and the real world by analyzing a recent experience in a collaborative curriculum inquiry. (MT)

Discusses three theoretical structures (those of Michael Polanyi, Maxine Greene, and Ann Berthoff) which consider the role of personal interpretation central to ultimate meaning-making. The article proposes them as useful frameworks for teachers who are beginning deliberate classroom research. (IAH)

Systematic intentional inquiry by teachers makes accessible some of teachers' expertise and provides universities and schools with unique perspectives on teaching and learning. A four-part working typology of teacher research is proposed, with examples of the four types: journals, essays, oral inquiry processes, and classroom studies. (IAH)