{"type":"rich","version":"1.0","description":"Validité interne et validité externe d'une étude","title":"Validité interne ou externe","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/mVraZJMVj1\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1787435434350&hashid=mVraZJMVj1","provider_url":"https://arcade.padlet.com"}