00955nam a22001577a 4500008004100000020001800041050001400059100002100073245008100094250001200175260004900187300003200236500004300268505046200311700002400773140619b        xxu||||| |||| 00| 0 eng d  a9781439048368  aP91.3.W47  aWimmer, Roger D.  aMass media research: an introduction. /cRoger D.Wimmer and Joseph Dominick.  a8th ed.  aBoston :bWadsworth Cengage Learning,c2006.  axii, 468p. :bill.;c24 cm.  aIncludes appendix, glossary and index.  aContents: Science and research -- Element of research -- Research ethic -- Sampling -- Qualitative research methods -- Content analysis -- Survey research -- Longitudinal research -- Experimental research -- Introduction to statistics -- Hypothesis testing -- Basic statistical procedures -- Research in the print media -- Research in the electronic media -- Research in advertising -- Research in public relations -- Mass media research and the internet.    aDominick, Joseph R.