{"id":4544,"date":"2022-03-18T14:10:41","date_gmt":"2022-03-18T13:10:41","guid":{"rendered":"https:\/\/touchpoints.eu\/glossar\/schwankungsbreite\/"},"modified":"2022-03-18T14:10:41","modified_gmt":"2022-03-18T13:10:41","slug":"schwankungsbreite","status":"publish","type":"encyclopedia","link":"https:\/\/touchpoints.eu\/en\/glossar\/schwankungsbreite\/","title":{"rendered":"Schwankungsbreite"},"content":{"rendered":"<p>Jeder ermittelte Wert aus einer Random-Stichprobe unterliegt \u2013 im Unterschied zu Werten, die aus einer Vollerhebung gewonnen wurden \u2013 einer Schwankungsbreite. Es l\u00e4sst sich rechnerisch ermitteln, wie genau ein Wert aus einer Stichprobe ist. Dazu verwendet man sogenannte Signifikanztests, wobei von dem gebr\u00e4uchlichen Signifikanzniveau von 95 % ausgegangen wird. Dieser Test sagt aus, dass der wahre Wert mit einer 95%igen Wahrscheinlichkeit in der Spanne des sogenannten Vertrauensbereichs von minus x % bis plus x % des in der Befragung erhobenen Werts liegt. Beispiel: Beim Vergleich von zwei Werten y und z aus verschiedenen Befragungen soll ermittelt werden, ob ein Medium Nutzer gewonnen bzw. verloren hat oder ob es sich nur um Zufallsschwankungen handelt. Liegt der zweite Wert z im Schwankungsbereich des ersten Werts y, sagt man, dass das Ergebnis zuf\u00e4llig ist, es liegt also kein Zuwachs oder Verlust an Nutzern vor. Erst wenn der zweite Wert z au\u00dferhalb der Schwankungsbreite liegt, ist das Ergebnis signifikant und stellt tats\u00e4chlich eine Ver\u00e4nderung der Nutzerschaft dar. Grunds\u00e4tzlich gilt: Je kleiner die Fallzahl, umso gr\u00f6\u00dfer ist die prozentuale Schwankungsbreite.\u00a0nach oben<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Schwankungsbreite<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","class_list":["post-4544","encyclopedia","type-encyclopedia","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Schwankungsbreite - Touchpoints<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/touchpoints.eu\/en\/glossar\/schwankungsbreite\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Schwankungsbreite - Touchpoints\" \/>\n<meta property=\"og:description\" content=\"Schwankungsbreite\" \/>\n<meta property=\"og:url\" content=\"https:\/\/touchpoints.eu\/en\/glossar\/schwankungsbreite\/\" \/>\n<meta property=\"og:site_name\" content=\"Touchpoints\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/touchpoints.eu\\\/en\\\/glossar\\\/schwankungsbreite\\\/\",\"url\":\"https:\\\/\\\/touchpoints.eu\\\/en\\\/glossar\\\/schwankungsbreite\\\/\",\"name\":\"Schwankungsbreite - 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