20 January 2010 lecture

20 January 2010 lecture - 20 January 2010 Chapter 2 and 3...

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20 January 2010 Chapter 2 and 3 Communication Effects X- Y (we want to know whether or not X is causing Y) -Strong positive correlation Causal effect Historical Evidence of Media Effects -Large Effects Only the large effects catch peoples’ attention and get reported on Normally very dramatic and large reports, accounts -Societal rather than individual-level evidence Only have general information but not particular knowledge on individuals -Causation uncertain Historical Concern: Suppression Historical evidence is about societal concerns about media effects For example: -World War I and Espionage Act of 1917 They tried to limit what kind of things showed up in the media in attempt to not hinder people’s support of the war and harm our national security -China blocks Internet sites deemed “offensive” -Kenyan government bans live radio broadcasts following disputed 2007 presidential election, citing ethnic conflict Historical Concern: Mob Violence -Attack producers of the “Federal Republic”, a paper that opposed American involvement in the War of 1812 -Thailand’s National Broadcasting Television
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This note was uploaded on 10/21/2011 for the course COMM 125 taught by Professor Chompsky during the Spring '08 term at UPenn.

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20 January 2010 lecture - 20 January 2010 Chapter 2 and 3...

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