00000nam 2200000zi 4500 9.877950 CaOODSP 20221107165117 m o d f cr |n||||||||| 191007e198411##onca|||#o f000 0|eng d CaOODSP eng rda CaOODSP n-cn--- Co22-259/1984E-PDF The potential impact of broadcast teletext in Canada : results of research undertaken during the IRIS project field trials / CBC Research. [Ottawa] : [Department of Communications], November 1984. 1 online resource (1 volume (various pagings)) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Issued also in French under title: L'impact potentiel du teletext de diffusion au Canada : résultats des recherches effectuées durant les essais pratiques du projet IRIS. Includes bibliographical references. "There were two main objectives of the research. The first was to evaluate teletext as a mass medium of communication and provide a background of information against which policy and marketing decisions could be made. The second was to gauge reactions to specific aspects of the teletext magazines to aid those involved in the development of a suitable content for the medium"--Introduction. gccst Communications gccst Broadcasting Canada. Department of Communications. Canadian Broadcasting Corporation. L'impact potentiel du teletext de diffusion au Canada : (CaOODSP)9.880229 PDF 13.26 MB https://publications.gc.ca/collections/collection_2019/isde-ised/Co22/Co22-259-1984-eng.pdf