The effects of electronic communication (e-mail and listserv) among triads of student teachers, college supervisors, and cooperating teachers were determined by equipping 21 volunteers with portable computers and modems and collecting data on self-assessments, printouts of project-related e-mail, printouts of listserv responses, and within- and between-triad group assessments. Discusses e-mail and listserv communication in relation to overall evaluation. (PEN)