{"type":"rich","id":"22836","version":"1.0","title":"Observational vs Experiments.ppt","provider_name":"SlideOnline","provider_url":"http:\/\/slideonline.com","html":"<iframe width=\"468\" height=\"300\" src=\"http:\/\/www.slideonline.com\/embed\/22836\" scrollbars=no scrolling=no webkitAllowFullScreen mozallowfullscreen allowFullScreen><\/iframe><div>View <a href=\"http:\/\/www.slideonline.com\/presentation\/22836-observational-vs-experiments-ppt-2\">Observational vs Experiments.ppt<\/a> and other presentations by <a href=\"http:\/\/www.slideonline.com\/asalas\">asalas<\/a>.<\/div>","width":468,"height":300,"thumbnail":"http:\/\/cdn.slideonline.com\/upload\/pres\/ecbd4bd3c68aa419599d9576875e018776f17ff4\/slide-mid-1.jpg","thumbnail_width":240,"thumbnail_height":167,"cache_age":"14400","author_name":"Andrea Salas","author_url":"http:\/\/www.slideonline.com\/asalas"}