The analysis of sequence data poses a great challenge; existing methods for the comparison of sequences take what theoretical grounding they have from other fields (most importantly, genetics). We argue that set theory provides a way of establishing the relations between sequences that has a natural application to the case in which the sequences…

This article examines the reading of leveled books and the assessment of students' reading levels in a public school classroom. The purpose of the research study was to examine how these processes of assessment, which often go unnoticed, shaped the ways reading and readers were defined. The research was located in a third grade, public school…

For airline pilots, the call of "checklist complete" is officially prescribed talk to claim that the crew's joint conduct of a checklist is over, and the task can be understood as closed. However, very often this call is not the final talk for the task. This paper uses naturally occurring data, transcriptions of pilots interacting on actual…