id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
bc386h46306	Nicolas M. Somma	Why Don't You Join Us? Grievances, Organizational Membership, Protest Opportunities, and Protest Participation	2010		.txt	text/plain	121	8	41	Using survey data from a representative sample of adults in the United States, this article examines the effects of grievances and voluntary organizational membership on protest invitation and protest participation. But only political organizations contribute to protest participation after controlling for the effect of protest invitation.	cache/bc386h46306.txt	txt/bc386h46306.txt