Early Efforts to Measure Public Opinion
{"Image DocumentName": "Early Efforts to Measure Public Opinion", "Image ImageDescription": "Public opinion polling did not begin to develop until the 1930s. Spurred on by Lippman\u2019s Public Opinion (1922) Earlier straw polls used. Unscientific surveys used to gauge public opinion on a variety of issues and policies. Literary Digest. George Gallup.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}