{"type":"rich","version":"1.0","title":"Research Methods in Statistics","description":"Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each. (HSS.IC.B.3)","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1783992949550&hashid=aBKQ5BwlKZ","html":"<iframe src=\"https://arcade.padlet.com/embed/aBKQ5BwlKZ\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}