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"El Centro Audiovisual Nacional del Ministerio de Educación inició sus actividades - en la línea de acción que hoy lo distingue - a fines de 1958 [...] la experiencia acumulada en todos estos años por el Centro Audiovisual Nacional le ha permitido definir dos grandes metas esenciales de trabajo ... more
"This guide provides educational planners with an awareness and understanding of communication satellite technology, its current uses, and some of the tentative plans for educational experimentation. The first part introduces the general nature of communication satellites in terms of technological c ... more
"Media for instruction can be characterized as big (expensive) or little (inexpensive), but research evidence suggests that whether a student learns more from one medium than another depends at least as much on how the medium is used as on what medium is used. Thus, this report discusses not only ex ... more