Analyzing the quality of classroom talk is central to educational research and improvement efforts. In particular, the presence of authentic teacher questions, where answers are not predetermined by the teacher, helps constitute and serves as a marker of productive classroom discourse. Further, authentic questions can be cultivated to improve…

Introduction: This study investigated the effect of cognitive styles on users' information-seeking task performance using a knowledge domain information visualization system called CiteSpace. Method: Sixteen graduate students participated in a user experiment. Each completed an extended cognitive style analysis wholistic-analytic test (the…

Shortly after a researcher arrived at a Traditional Mohawk (Iroquois) Indian community in New York State in May 1997, seven community members began using the Netscape 3.0 e-mail system with steadily increasing frequency. The researcher was interested in studying the relationship between new communication technology and identity maintenance. E-mail…

The 16 articles in this theme issue focus on ways in which libraries provide subject access to their collections in a fast-changing technological environment: (1) "Uncovering Information" (Neal K. Kaske and Peter Paulson); (2) "The New York State Library's Evolving Public Access Catalog" (Alexandria Wolff and Jean Hargrave);…