| 
		Minimal or Massive?  The Political Agenda–  Setting Power of the  Mass Media According  to Different Methods | 
		  
 Peter Van Aelst 
 Stefaan Walgrave  | 
		 | 
		2011 | 
	
		
		 
		 | 
		The Contingency of the Mass Media’s Political Agenda Setting Power: Toward a Preliminary Theory | 
		 Stefaan Walgrave 
  
 Peter Van Aelst  | 
		 | 
		2006 | 
	
		
		 
		 | 
		The Contingency of the Mass Media’s Political Agenda Setting Power: Toward a Preliminary Theor | 
		 Stefaan Walgrave 
  
 Peter Van Aelst  | 
		 | 
		2000 |