Contemporary developments in educational technology design and evaluation: Special issue part II

This special issue of the research section of ETR&D represents the second grouping of papers solicited from national leaders in educational technology research and design. The first grouping, which appeared in Volume 46, Number 4, 1998, contained papers by Rita Richey, “The Pursuit of Useable Knowledge in Instructional Technology”; Mitchel Resnick, “Digital Manipulatives: Tools for Lifelong Kindergarten”; and Ben Shneiderman and colleagues, “Emergent Patterns of Teaching/Learning in Electronic Classrooms.”