{"id":455,"date":"2025-06-13T12:50:53","date_gmt":"2025-06-13T12:50:53","guid":{"rendered":"https:\/\/admin-wp-hm.elsevier.com\/es\/?p=455"},"modified":"2025-06-13T16:28:13","modified_gmt":"2025-06-13T16:28:13","slug":"que-es-una-hipotesis-nula-en-epidemiologia","status":"publish","type":"post","link":"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/","title":{"rendered":"En la investigaci\u00f3n epidemiol\u00f3gica, es necesario llegar a conclusiones plausibles y v\u00e1lidas a partir de las observaciones, principalmente sobre la causa y el efecto de las enfermedades. Es necesario generar una teor\u00eda o hip\u00f3tesis. \u00bfQu\u00e9 es una hip\u00f3tesis nula?"},"content":{"rendered":"\n        <div class=\"simple-quiz\" id=\"sqt_1_9257_container\">\n            \n            <div class=\"quiz-options\">\n                                    <div class=\"quiz-option\">\n                        <input type=\"radio\" \n                               id=\"sqt_1_9257_option_1\" \n                               name=\"sqt_1_9257_options\" \n                               value=\"1\">\n                        <label for=\"sqt_1_9257_option_1\">\n                            A. A menudo es posible determinar una l\u00ednea de tiempo del evento                        <\/label>\n                    <\/div>\n                                    <div class=\"quiz-option\">\n                        <input type=\"radio\" \n                               id=\"sqt_1_9257_option_2\" \n                               name=\"sqt_1_9257_options\" \n                               value=\"2\">\n                        <label for=\"sqt_1_9257_option_2\">\n                            B. Las notas m\u00e9dicas a menudo son imposibles de leer debido a una mala caligraf\u00eda                        <\/label>\n                    <\/div>\n                                    <div class=\"quiz-option\">\n                        <input type=\"radio\" \n                               id=\"sqt_1_9257_option_3\" \n                               name=\"sqt_1_9257_options\" \n                               value=\"3\">\n                        <label for=\"sqt_1_9257_option_3\">\n                            C. No hay manera de determinar si los datos de los controles son correctos                        <\/label>\n                    <\/div>\n                                    <div class=\"quiz-option\">\n                        <input type=\"radio\" \n                               id=\"sqt_1_9257_option_4\" \n                               name=\"sqt_1_9257_options\" \n                               value=\"4\">\n                        <label for=\"sqt_1_9257_option_4\">\n                            D. En muchas ocasiones no hay manera de determinar el proceso de la enfermedad sin ver f\u00edsicamente al paciente                        <\/label>\n                    <\/div>\n                                    <div class=\"quiz-option\">\n                        <input type=\"radio\" \n                               id=\"sqt_1_9257_option_5\" \n                               name=\"sqt_1_9257_options\" \n                               value=\"5\">\n                        <label for=\"sqt_1_9257_option_5\">\n                            E. La informaci\u00f3n hist\u00f3rica puede ser inexacta, lo que aumenta la incertidumbre                        <\/label>\n                    <\/div>\n                            <\/div>\n            \n            <div class=\"quiz-toggle\">\n                <span class=\"quiz-cta\" \n                      role=\"button\" \n                      tabindex=\"0\" \n                      onclick=\"simpleQuizToggleResults('sqt_1_9257')\"\n                      onkeydown=\"if(event.key === 'Enter' || event.key === ' ') { simpleQuizToggleResults('sqt_1_9257'); event.preventDefault(); }\">\n                    Show\/Hide Answer                <\/span>\n                \n                <div id=\"sqt_1_9257_results\" class=\"quiz-results\" aria-live=\"polite\">\n                    La respuesta correcta es: <br \/>\nE. La informaci\u00f3n hist\u00f3rica puede ser inexacta, lo que aumenta la incertidumbre<br \/>\nLa hip\u00f3tesis nula (H0) es la que no asume ning\u00fan efecto en la poblaci\u00f3n. Por ejemplo, si quisi\u00e9ramos examinar la prevalencia del tabaquismo en adolescentes y ver si hay una diferencia entre chicos y chicas, la hip\u00f3tesis nula ser\u00eda:H0: las tasas de tabaquismo son las mismas en adolescentes de sexo masculino y de sexo femenino en la poblaci\u00f3n.Hip\u00f3tesis nula (H0): una afirmaci\u00f3n que no asume ninguna diferencia o efecto.                <\/div>\n            <\/div>\n            \n        <\/div>\n        \n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"wp-custom-template-question-bank-individual-entry","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,7],"tags":[],"class_list":["post-455","post","type-post","status-publish","format-standard","hentry","category-banco-de-preguntas","category-epidemiologia-y-bioestadistica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfQu\u00e9 es una hip\u00f3tesis nula en epidemiolog\u00eda?<\/title>\n<meta name=\"description\" content=\"Descubre qu\u00e9 es una hip\u00f3tesis nula y c\u00f3mo fundamentar conclusiones v\u00e1lidas en investigaci\u00f3n epidemiol\u00f3gica.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfQu\u00e9 es una hip\u00f3tesis nula en epidemiolog\u00eda?\" \/>\n<meta property=\"og:description\" content=\"Descubre qu\u00e9 es una hip\u00f3tesis nula y c\u00f3mo fundamentar conclusiones v\u00e1lidas en investigaci\u00f3n epidemiol\u00f3gica.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/\" \/>\n<meta property=\"og:site_name\" content=\"Student Hub Spain\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-13T12:50:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-13T16:28:13+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/\",\"url\":\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/\",\"name\":\"\u00bfQu\u00e9 es una hip\u00f3tesis nula en epidemiolog\u00eda?\",\"isPartOf\":{\"@id\":\"https:\/\/studenthub.elsevier.com\/es\/#website\"},\"datePublished\":\"2025-06-13T12:50:53+00:00\",\"dateModified\":\"2025-06-13T16:28:13+00:00\",\"author\":{\"@id\":\"https:\/\/studenthub.elsevier.com\/es\/#\/schema\/person\/3ab94c4b36ed91401e09c1f749604383\"},\"description\":\"Descubre qu\u00e9 es una hip\u00f3tesis nula y c\u00f3mo fundamentar conclusiones v\u00e1lidas en investigaci\u00f3n epidemiol\u00f3gica.\",\"breadcrumb\":{\"@id\":\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/studenthub.elsevier.com\/es\/banco-de-preguntas\/que-es-una-hipotesis-nula-en-epidemiologia\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/studenthub.elsevier.com\/es\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"En la investigaci\u00f3n epidemiol\u00f3gica, es necesario llegar a conclusiones plausibles y v\u00e1lidas a partir de las observaciones, principalmente sobre la causa y el efecto de las enfermedades. 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