{"id":1562,"date":"2023-07-25T21:19:49","date_gmt":"2023-07-25T21:19:49","guid":{"rendered":"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/"},"modified":"2023-07-25T21:19:49","modified_gmt":"2023-07-25T21:19:49","slug":"cronbach-alfa-excel","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/","title":{"rendered":"Como calcular o alfa de cronbach no excel"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>O Alfa de Chronbach<\/strong> \u00e9 uma forma de medir a <a href=\"https:\/\/statorials.org\/pt\/coerencia-interna\/\" target=\"_blank\" rel=\"noopener\">consist\u00eancia interna<\/a> de um question\u00e1rio ou pesquisa.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O alfa de Cronbach varia de 0 a 1, sendo que valores mais altos indicam que a pesquisa ou question\u00e1rio \u00e9 mais confi\u00e1vel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo passo a passo a seguir explica como calcular o Alfa de Cronbach no Excel.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Passo 1: Insira os dados<\/span><\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que um gerente de restaurante queira medir a satisfa\u00e7\u00e3o geral do cliente. Ela decide enviar uma pesquisa para 10 clientes que poder\u00e3o avaliar o restaurante em uma escala de 1 a 3 para diferentes categorias.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Vamos come\u00e7ar inserindo os dados que cont\u00eam as respostas da pesquisa para cada um dos 10 clientes:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15464 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cronbachexcel1.png\" alt=\"\" width=\"509\" height=\"443\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 2: realizar uma ANOVA bidirecional sem replica\u00e7\u00e3o<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, realizaremos uma ANOVA bidirecional sem replica\u00e7\u00e3o.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Para fazer isso, clique na guia <strong>Dados<\/strong> na faixa superior e clique na op\u00e7\u00e3o <strong>An\u00e1lise de Dados<\/strong> no grupo <b>An\u00e1lise<\/b> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-5292 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel3.png\" alt=\"\" width=\"459\" height=\"175\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Se esta op\u00e7\u00e3o n\u00e3o estiver dispon\u00edvel, voc\u00ea dever\u00e1 primeiro <a href=\"https:\/\/statorials.org\/pt\/como-carregar-o-pacote-de-ferramentas-de-analise-no-excel\/\" target=\"_blank\" rel=\"noopener\">carregar o Analysis ToolPak<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">No menu suspenso que aparece, clique em <strong>Anova: dois fatores sem replica\u00e7\u00e3o<\/strong> e clique em <strong>OK<\/strong> . Na nova janela que aparece, forne\u00e7a as seguintes informa\u00e7\u00f5es e clique em <strong>OK<\/strong> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15466 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cronbachexcel2.png\" alt=\"\" width=\"464\" height=\"470\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Os seguintes resultados aparecer\u00e3o:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15467 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cronbachexcel3.png\" alt=\"\" width=\"493\" height=\"486\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 3: Calcular o Alfa de Cronbach<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, usaremos a seguinte f\u00f3rmula para calcular o Alfa de Cronbach:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-15468 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cronbachexcel4.png\" alt=\"Alfa de Cronbach no Excel\" width=\"526\" height=\"545\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O Alfa de Cronbach \u00e9 <strong>0,773<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">A tabela a seguir descreve como os diferentes valores do Alfa de Cronbach s\u00e3o geralmente interpretados:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<th> <strong><span style=\"color: #000000;\">Alfa de Cronbach<\/span><\/strong><\/th>\n<th> <strong><span style=\"color: #000000;\">Consist\u00eancia interna<\/span><\/strong><\/th>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">0,9 \u2264 \u03b1<\/span><\/td>\n<td> <span style=\"color: #000000;\">Excelente<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">0,8 \u2264\u03b1 &lt; 0,9<\/span><\/td>\n<td> <span style=\"color: #000000;\">BOM<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">0,7 \u2264\u03b1 &lt; 0,8<\/span><\/td>\n<td> <span style=\"color: #000000;\">Aceit\u00e1vel<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">0,6 \u2264\u03b1 &lt; 0,7<\/span><\/td>\n<td> <span style=\"color: #000000;\">Question\u00e1vel<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">0,5 \u2264\u03b1 &lt; 0,6<\/span><\/td>\n<td> <span style=\"color: #000000;\">Pobre<\/span><\/td>\n<\/tr>\n<tr>\n<td> <span style=\"color: #000000;\">\u03b1 &lt; 0,5<\/span><\/td>\n<td> <span style=\"color: #000000;\">Inaceit\u00e1vel<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <span style=\"color: #000000;\">Como calculamos o alfa de Cronbach em <strong>0,773<\/strong> , dir\u00edamos que a consist\u00eancia interna desta pesquisa \u00e9 \u201cAceit\u00e1vel\u201d.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>B\u00f4nus:<\/strong> sinta-se \u00e0 vontade para usar esta calculadora Alfa de Cronbach para encontrar automaticamente o Alfa de Cronbach para um determinado conjunto de dados.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O Alfa de Chronbach \u00e9 uma forma de medir a consist\u00eancia interna de um question\u00e1rio ou pesquisa. O alfa de Cronbach varia de 0 a 1, sendo que valores mais altos indicam que a pesquisa ou question\u00e1rio \u00e9 mais confi\u00e1vel. O exemplo passo a passo a seguir explica como calcular o Alfa de Cronbach no [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1562","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como calcular o alfa de Cronbach no Excel - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular o Alfa de Cronbach no Excel, com um exemplo passo a passo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular o alfa de Cronbach no Excel - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular o Alfa de Cronbach no Excel, com um exemplo passo a passo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-25T21:19:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/cronbachexcel1.png\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/\",\"url\":\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/\",\"name\":\"Como calcular o alfa de Cronbach no Excel - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-25T21:19:49+00:00\",\"dateModified\":\"2023-07-25T21:19:49+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular o Alfa de Cronbach no Excel, com um exemplo passo a passo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/cronbach-alfa-excel\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular o alfa de cronbach no excel\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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