| 
		Five Challenges for the Future of Media-Effects Research | 
		 PATTI M. VALKENBURG 
 JOCHEN PETER1  | 
		 | 
		2013 | 
	
		
		 
		 | 
		The Contingency of the Mass Media’s Political Agenda Setting Power: Toward a Preliminary Theory | 
		 Stefaan Walgrave 
  
 Peter Van Aelst  | 
		 | 
		2006 | 
	
		
		 
		 | 
		Framing, Agenda Setting, and Priming: The Evolution of Three Media Effects Models | 
		 Dietram A. Scheufele 
 David Tewksbury  | 
		 | 
		2007 | 
	
		
		 
		 | 
		Framing Bias: Media in the Distribution of Power | 
		 Robert M. Entman  | 
		 | 
		2005 | 
	
		
		 
		 | 
		A New Look at Agenda-Setting Effects—Comparing the Predictive Power of Overall Political News Consumption and Specific News Media Consumption Across Different Media Channels and Media Types | 
		 Jesper Stromb ¨ ack 
 Spiro Kiousis  | 
		 | 
		 | 
	
		
		 
		 | 
		How to Evaluate It: The Role of Story-Evaluative Tone in Agenda Setting and Priming | 
		 Tamir Sheafer  | 
		 | 
		2007 | 
	
		
		 
		 | 
		The Evolution of Agenda-Setting  Research: Twenty-Five Years in the  Marketplace of Ideas  | 
		 Maxwell E. McCombs 
 Donald L.  Shaw  | 
		 | 
		1993 | 
	
		
		 
		 | 
		The Contingency of the Mass Media’s Political Agenda Setting Power: Toward a Preliminary Theor | 
		 Stefaan Walgrave 
  
 Peter Van Aelst  | 
		 | 
		2000 |