This third in a series of articles on work conducted at the Texas Center for Educational Technology and the University of North Texas focuses on research designs for teachers to determine the impact of technology in the classroom. Highlights include research and the scientific method; qualitative versus quantitative research; and statistical…

Discusses three phases in implementing a master plan for a school-based local area network (LAN): (1) network software selection; (2) hardware selection, network topology, and site preparation; and (3) implementation time table. Sample planning and specification worksheets and a list of planning guides are included. (Contains six references.) (KRN)

Discussion of the use of technology for teaching and learning science focuses on studies that explored trends in teaching science with technology. Highlights include projects using telecommunications through computer networks; constructivist theory and the use of hypermedia; and computer-supported collaborative learning. Implications for teachers…