{"id":4597,"date":"2026-08-11T11:50:17","date_gmt":"2026-08-11T09:50:17","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4597"},"modified":"2026-08-11T11:50:17","modified_gmt":"2026-08-11T09:50:17","slug":"allegato","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/it\/guide-dutilisateur\/annexe\/","title":{"rendered":"Allegato"},"content":{"rendered":"<ul class=\"wp-block-list\">\n<li><strong>H0 \/ H1<\/strong>\u00a0: l'ipotesi di non differenza e la sua alternativa.<\/li>\n\n\n\n<li><strong>valore p<\/strong>\u00a0: probabilit\u00e0 di osservare una tale differenza se H0 fosse vera. Se \u00e8 bassa, ci\u00f2 mette in discussione H0.<\/li>\n\n\n\n<li><strong>Rischio alfa<\/strong>\u00a0: si rischia di affermare una differenza inesistente. Stabilito in anticipo, spesso 5 %.<\/li>\n\n\n\n<li><strong>Rischio beta<\/strong>\u00a0: si rischia di non cogliere una differenza reale.<\/li>\n\n\n\n<li><strong>Potenza<\/strong>\u00a0: 1 \u2212 beta, la probabilit\u00e0 di rilevare uno scostamento reale.<\/li>\n\n\n\n<li><strong>Test parametrico<\/strong>\u00a0: presuppone una legge; pi\u00f9 efficace se l\u2019ipotesi \u00e8 valida.<\/li>\n\n\n\n<li><strong>Test non parametrico<\/strong>\u00a0: non presuppone alcuna legge; pi\u00f9 robusto.<\/li>\n\n\n\n<li><strong>Dati appaiati<\/strong>\u00a0: due serie di misurazioni effettuate sugli stessi individui.<\/li>\n\n\n\n<li><strong>Bilaterale \/ unilaterale<\/strong>\u00a0: \u00abdiverso da\u00bb contro \u00abmaggiore di\u00bb. Il significato va scelto prima di esaminare i dati.<\/li>\n\n\n\n<li><strong>BOB \/ WOW<\/strong>\u00a0: i pezzi migliori e quelli peggiori, selezionati per accentuare il contrasto.<\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":90,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[23],"class_list":["post-4597","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-5-statistiques-inferentielles"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Annexe - Ellistat<\/title>\n<meta name=\"description\" content=\"Glossaire pour les statistiques inf\u00e9rentielles\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/it\/guida-per-lutente\/allegato\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Annexe - 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