{"id":26288,"date":"2023-01-16T10:56:00","date_gmt":"2023-01-16T13:56:00","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/nuclear-fusion-copy\/"},"modified":"2024-12-05T15:45:12","modified_gmt":"2024-12-05T18:45:12","slug":"significance-level","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/pl\/poziom-istotnosci\/","title":{"rendered":"\u0141atwe do zrozumienia podsumowanie poziomu istotno\u015bci"},"content":{"rendered":"<p>W statystyce poziomy istotno\u015bci s\u0105 wa\u017cn\u0105 cz\u0119\u015bci\u0105 testowania hipotez. Ponadto, w przeciwie\u0144stwie do innych liczb w danych statystycznych, poziom istotno\u015bci nie jest obliczany przez oprogramowanie do analizy statystycznej. Zamiast tego poziom istotno\u015bci jest wybierany przez u\u017cytkownika. Czy kiedykolwiek zastanawia\u0142e\u015b si\u0119, dlaczego tak jest?&nbsp;<\/p>\n\n\n\n<p>W tym artykule Mind The Graph przedstawi przegl\u0105d poziomu istotno\u015bci, aby\u015b m\u00f3g\u0142 \u0142atwo zrozumie\u0107 jego funkcjonalno\u015b\u0107 i znaczenie.<\/p>\n\n\n\n<h2>Jaki jest poziom istotno\u015bci?<\/h2>\n\n\n\n<p>Poziom istotno\u015bci, znany r\u00f3wnie\u017c jako alfa lub \u03b1, jest miar\u0105 okre\u015blaj\u0105c\u0105 ilo\u015b\u0107 dowod\u00f3w, kt\u00f3re musz\u0105 by\u0107 wykazane w pr\u00f3bie przed odrzuceniem hipotezy zerowej i uznaniem efektu za statystycznie istotny. Jeszcze przed rozpocz\u0119ciem eksperymentu nale\u017cy wybra\u0107 poziom istotno\u015bci.&nbsp;<\/p>\n\n\n\n<p>M\u00f3wi\u0105c inaczej, jest to prawdopodobie\u0144stwo odrzucenia hipotezy zerowej, gdy jest ona prawdziwa; na przyk\u0142ad poziom istotno\u015bci 0,05 oznacza 5% szansy na podj\u0119cie decyzji, \u017ce r\u00f3\u017cnica istnieje, gdy jej nie ma. Ni\u017csze poziomy istotno\u015bci sugeruj\u0105, \u017ce potrzeba wi\u0119cej dowod\u00f3w, aby odrzuci\u0107 hipotez\u0119 zerow\u0105.<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/GJtsBNj-zf74UNHK3WLkBcGJonoj6DH0HQNDCVfP0_O2S3SEG3LHXK_xrQiYlVxrOXzbeVQof0558pshJncIEcsMD5VT-vwFXYTevCILwFr8WRVboubvHrrAmtlZTkL0TjslZnNOZZGsIYitZ88nOYeM6-Sfcnx3z8l8ibBQEO3sDLxiQqTZ-F1V5ZWO\" alt=\"\"\/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/vitalflux.com\/wp-content\/uploads\/2021\/12\/level-of-significance-and-hypothesis-testing-640x374.png\"><\/a><\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Poziom istotno\u015bci Symbol<\/h2>\n\n\n\n<p>Poziom istotno\u015bci jest reprezentowany przez grecki symbol \u03b1 (alfa). Poziom istotno\u015bci = warto\u015b\u0107 prawdopodobie\u0144stwa (b\u0142\u0105d typu I) = \u03b1, w tym przypadku.<\/p>\n\n\n\n<p>Gdy warto\u015bci lub obserwacje odbiegaj\u0105 od \u015bredniej, s\u0105 one mniej prawdopodobne. Wyniki s\u0105 oznaczone jako \"istotne przy x%\".&nbsp;<\/p>\n\n\n\n<p>Na przyk\u0142ad warto\u015b\u0107 istotna przy 5% oznacza warto\u015b\u0107 p mniejsz\u0105 ni\u017c 0,05 lub p &lt; 0,05. Podobnie, warto\u015b\u0107 istotna przy 1% oznacza warto\u015b\u0107 p mniejsz\u0105 ni\u017c 0,01.<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/Nu7ehiMPXFW5ZnnSz0cCLEWYxtWXCJaPqZiAkyVmOqBEsswI8oiGbplV-EOOot687p54RG_Emna1bm9w3UoquwG9ROeyZll4fxEAj-yZWYRlcxLctDYozxO2x35ZOR7KBJUwUIg5_pNHkQWpHvaLjTO-fzFhSAoR3HpsFlHTR3PN55BkJLN-9o1ZSIb1\" alt=\"\"\/><\/figure><\/div>\n\n\n<p><a href=\"https:\/\/vitalflux.com\/wp-content\/uploads\/2021\/12\/level-of-significance-and-hypothesis-testing.png\"><\/a><\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/researcher.life\/all-access-pricing?utm_source=mtg&amp;utm_campaign=all-access-promotion&amp;utm_medium=blog\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"410\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-1024x410.png\" alt=\"\" class=\"wp-image-55425\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-1024x410.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-768x307.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-1536x615.png 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-2048x820.png 2048w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-18x7.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner3-100x40.png 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2>Jak znale\u017a\u0107 poziom istotno\u015bci?<\/h2>\n\n\n\n<p>Aby okre\u015bli\u0107 poziom istotno\u015bci odkrycia, nale\u017cy najpierw okre\u015bli\u0107 warto\u015b\u0107 p, kt\u00f3ra okre\u015bla prawdopodobie\u0144stwo wykrycia efektu, kt\u00f3ry odpowie na pytanie, czy hipoteza zerowa jest poprawna. Hipoteza zerowa jest odrzucana, je\u015bli warto\u015b\u0107 p jest mniejsza ni\u017c poziom istotno\u015bci. Je\u015bli warto\u015b\u0107 p jest wi\u0119ksza lub r\u00f3wna poziomowi istotno\u015bci (\u03b1), hipoteza zerowa musi zosta\u0107 zaakceptowana.&nbsp;<\/p>\n\n\n\n<p>Poni\u017cej przedstawiono powszechn\u0105 interpretacj\u0119 warto\u015bci p na poziomie istotno\u015bci 10%:&nbsp;<\/p>\n\n\n\n<p>Je\u015bli p &gt; 0,1, hipoteza zerowa nie jest przyjmowana.&nbsp;<\/p>\n\n\n\n<p>Je\u015bli p &gt; 0,05 i p \u2264 0,1, niskie za\u0142o\u017cenie hipotezy zerowej.<\/p>\n\n\n\n<p>Je\u015bli p &gt; 0,01 i p \u2264 0,05, silne za\u0142o\u017cenie hipotezy zerowej.<\/p>\n\n\n\n<p>Je\u015bli p \u2264 0,01, bardzo silne za\u0142o\u017cenie hipotezy zerowej.<\/p>\n\n\n\n<p>Nale\u017cy tylko pami\u0119ta\u0107, \u017ce 0,05 lub 5% to konwencjonalny poziom alfa, a zmiana poziomu istotno\u015bci na inny ni\u017c 0,05 zwykle wymaga wa\u017cnego powodu.<\/p>\n\n\n\n<h2>Zmiana poziomu istotno\u015bci<\/h2>\n\n\n\n<p>Na przyk\u0142ad zwi\u0119kszenie poziomu istotno\u015bci z 0,05 do 0,10 obni\u017ca standard dowodowy. Z kolei obni\u017cenie go z 0,05 do 0,01 podnosi standard.&nbsp;<\/p>\n\n\n\n<p>Za\u0142\u00f3\u017cmy, \u017ce oceniasz wytrzyma\u0142o\u015b\u0107 balon\u00f3w imprezowych, aby okre\u015bli\u0107, kt\u00f3ra marka jest najlepsza. Poniewa\u017c fa\u0142szywie pozytywny wynik spowoduje zakup s\u0142abszego balonu, wady s\u0105 minimalne. Obni\u017caj\u0105c poziom istotno\u015bci do 0,10, mo\u017cna zminimalizowa\u0107 liczb\u0119 wymaganych dowod\u00f3w, jednocze\u015bnie zwi\u0119kszaj\u0105c prawdopodobie\u0144stwo fa\u0142szywego wyniku pozytywnego z 0,05 do 0,10.&nbsp;<\/p>\n\n\n\n<p>Z drugiej strony, je\u015bli oceniasz wytrzyma\u0142o\u015b\u0107 tkaniny u\u017cywanej w balonach na ogrzane powietrze, fa\u0142szywie dodatni wynik jest niezwykle niebezpieczny, poniewa\u017c mo\u017ce prowadzi\u0107 do \u015bmierci. Musisz by\u0107 bardzo ostro\u017cny i wybra\u0107 najlepszego producenta. W tym scenariuszu lepiej jest zwi\u0119kszy\u0107, a nie obni\u017cy\u0107 poziom istotno\u015bci do 0,01. Zmniejsza to prawdopodobie\u0144stwo fa\u0142szywego wyniku pozytywnego z 0,05 do 0,01.&nbsp;<\/p>\n\n\n\n<h2>Nic nie przebije bezb\u0142\u0119dnego elementu wizualnego, kt\u00f3ry przekazuje z\u0142o\u017con\u0105 wiadomo\u015b\u0107<\/h2>\n\n\n\n<p>Masz trudno\u015bci z przekazaniem du\u017cej ilo\u015bci informacji? Wykorzystaj infografiki i ilustracje, aby uczyni\u0107 swoj\u0105 prac\u0119 bardziej zrozumia\u0142\u0105 i przyst\u0119pn\u0105. <a href=\"https:\/\/mindthegraph.com\/?utm_source=blog&amp;utm_medium=content\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> to doskona\u0142e narz\u0119dzie dla badaczy, kt\u00f3rzy chc\u0105 zwi\u0119kszy\u0107 efektywno\u015b\u0107 swojej pracy poprzez wykorzystanie atrakcyjnych wizualnie infografik.&nbsp;<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Samouczek | Tworzenie atrakcyjnej infografiki na Mind the Graph\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/l5mns4d9fyA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">Zwi\u0119ksz moje badania dzi\u0119ki ilustracjom<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>W tym artykule przedstawiamy przegl\u0105d poziomu istotno\u015bci, aby\u015b m\u00f3g\u0142 \u0142atwo zrozumie\u0107 jego funkcjonalno\u015b\u0107 i znaczenie.<\/p>","protected":false},"author":28,"featured_media":26295,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>An Easy-To-Understand Summary Of Significance Level<\/title>\n<meta name=\"description\" content=\"In this article, we give you an overview of the significance level so you can easily understand its functionality and importance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/pl\/poziom-istotnosci\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An Easy-To-Understand Summary Of Significance Level\" \/>\n<meta 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