{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Using Propensity Scores in Quasi-Experimental Designs","author_name":"William M. (Michael) Holmes","thumbnail_url":"https://www.ebooknetworking.net/books/145/220/big1452205264.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1452205264.html\">Using Propensity Scores in Quasi-Experimental Designs</a>","width":400,"height":300}