How might fourth graders address the problem of measuring the size of a leaf? And why might their classroom teachers choose such a shape to measure? One group of fourth-grade students in an urban Australian school were interested in knowing the sizes of leaves on a passionfruit vine growing at their school. The children were excited after a visit…

As schools become living sites of evidence-based practice, teachers increasingly accumulate large quantities of observations and records. In these times of an overabundance of documentation, there is a need to find the "unit of analysis" that determines the essence of what matters for assessment. In drawing upon cultural-historical…

This article reports further findings from the "Carpe Vitam: Leadership for Learning" project, based on a close examination of some of the interview narratives with an Australian principal. Positioning analysis is used as an empirically-grounded means of making sense of who this Australian principal is and what she does as a leader to…

For the twenty-eighth year, the Research and Theory Division of the Association for Educational Communications and Technology (AECT) is sponsoring the publication of these Proceedings. Papers published in this volume were presented at the National AECT Convention in Orlando, Florida. The Proceedings of AECT's Convention are published in two…