{"id":125191,"date":"2023-11-11T23:43:59","date_gmt":"2023-11-11T23:43:59","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=125191"},"modified":"2023-11-11T23:44:00","modified_gmt":"2023-11-11T23:44:00","slug":"vos-alle-hoorcolleges","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2023\/11\/11\/vos-alle-hoorcolleges\/","title":{"rendered":"VOS: Alle hoorcolleges"},"content":{"rendered":"\n<p>VOS: Alle hoorcolleges;Bevat aantekeningen van alle hoorcolleges (niet instructiecolleges) die onderdeel zijn van de tentamenstof.<\/p>\n\n\n\n<p>VOS: Alle hoorcolleges<br>1<br>Hoorcollege 1 Multipele regressie<br>Multipele regressie<br>Voorbeeldverslag \u2192 allemaal factoren (risicofactoren, opvoedingsprincipes, schoolfactoren etc.) die<br>een rol spelen op de schoolprestaties van kinderen. \u2192 nagaan wat de invloed van deze variabelen<br>(onafhankelijk) hebben op de schoolprestaties (afhankelijke) \u2192 multipele regressie<br>Model<br>Padmodel multipele regressie<br>Met streepje: dichotome variabele met 2 categorie\u00ebn<br>Geen streepje in: interval\/ratio niveau<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 afhankelijke variabele (Y)<\/li>\n\n\n\n<li>1 of meerdere onafhankelijke variabelen (minimaal interval)<\/li>\n\n\n\n<li>1 of meerdere onafhankelijke variabele (dichotoom)<br>Onderwerpen college<\/li>\n\n\n\n<li>Regressiemodel<\/li>\n\n\n\n<li>Predictoren\/onafhankelijke variabelen en afhankelijke variabelen<\/li>\n\n\n\n<li>(Gestandaardiseerde) regressieco\u00ebffici\u00ebnten<\/li>\n<\/ul>\n\n\n\n<p>VOS: Alle hoorcolleges<br>2<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kleinste kwadraten criterium<\/li>\n\n\n\n<li>Goodness-of-fit<\/li>\n\n\n\n<li>Toetsen van R2<\/li>\n\n\n\n<li>Toetsen van B\u2019s en \u03b2\u2019s<\/li>\n\n\n\n<li>Vergelijking van deltaR2<\/li>\n\n\n\n<li>Categorische kenmerken in regressiemodel; dummy\u2019s<\/li>\n\n\n\n<li>Assumpties toepassing in regressieanalyse<br>Voorbeeld<br>Onderzoeksvraag: kunnen we kennis van literatuur bij jongvolwassenen voorspellen met persoons-,<br>gezins- en schoolkenmerken?<br>Populatie: jongvolwassenen<br>Variabelen: afhankelijke variabele y (kennis van literatuur), onafhankelijke variabele X (predictoren)<br>(persoonlijke kenmerken, kenmerken ouderlijk huis, kenmerken school)<br>\u2794 Voor de populatie beschrijven en toetsen van de relaties tussen afhankelijke variabele Y en<br>de predictoren X<br>Multipele regressie algemeen<br>Onderzoeksvraag: Kunnen we iemands waarde op een kenmerk voorspellen met kennis over andere<br>kenmerken?<br>Doelen analyse:<\/li>\n\n\n\n<li>Beschrijven lineaire relaties tussen variabelen (regressiemodel)<\/li>\n\n\n\n<li>Toetsen hypothesen op relaties (significantie)<\/li>\n\n\n\n<li>Kwantificeren van relaties (effectgrootte)<\/li>\n\n\n\n<li>Kwalificeren van relaties (klein, middelmatig, groot)<\/li>\n\n\n\n<li>Beoordelen relevantie relaties (subjectief)<\/li>\n\n\n\n<li>Voorspellen van iemands waarde met regressiemodel (puntschatting en intervalschatting)<br>Waarschuwing: doe op basis van statistische samenhang GEEN uitspraken over causaliteit<br>Variabelen in voorbeeld<br>Read: kennis literatuur respondent (Y)<br>Fath_rd: kennis literatuur vader (X1)<br>Moth_rd: kennis literatuur moeder (X2)<br>Par_book: aantal boeken in ouderlijk huis (X3)<br>Sch_rd: aandacht voor literatuur school (X4)<br>Hist_rd: lezen verleden (X5)<br>Educ: opleidingsniveau (X6)<br>Meetniveau variabelen<br>Afhankelijke variabele Y:<\/li>\n\n\n\n<li>Gemeten op minimaal interval meetniveau<br>Meetniveau onafhankelijke variabelen Xk:<\/li>\n\n\n\n<li>Kenmerk gemeten op minimaal interval meetniveau<\/li>\n<\/ul>\n\n\n\n<p>VOS: Alle hoorcolleges<br>3<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Categorische kenmerk met 2 categorie\u00ebn; nominaal meetniveau met 2 categorie\u00ebn noemen<br>we dichotoom<\/li>\n\n\n\n<li>Categorische kenmerk met meer dan 2 categorie\u00ebn; nominaal\/ordinaal meetniveau wordt<br>omgezet in dummyvariabelen<br>Variabelen in voorbeeld<br>Allemaal minimaal interval meetniveau<br>Analyse techniek \u2192 multipele lineaire regressieanalyse (MR)<br>Regressiemodel (1)<br>Vergelijking Y<br>Voor geobserveerde variabele Y<br>Uitkomst (Y) = model (X) = voorspellingsfout<br>Voorspellingsfout = residual of error<br>Model = lineair regressiemodel<br>Vergelijking \u0176<br>Voor voorspellen van waarde op \u0176 (dakje wijst op voorspelling)<br>Geschatte uitkomst (\u0176) = model(X)<br>Verschil observatie en schatting = voorspellingsfout<br>Regressiemodel (2)<br>SPSS Datamatrix<\/li>\n<\/ul>\n\n\n\n<p>VOS: Alle hoorcolleges<br>4<br>Histogram \u2018read\u2019<br>Spreidingsdiagram<br>Intercept = soort begin van de lijn, positie van Y waar X=0 geldt. Bij multipele regressie is t waar alle<br>X=en 0 zijn.<br>Regressie is hoe stijl de lijn loopt.<br>Regressieco\u00ebffici\u00ebnten<br>Links = positieve relatie<br>Midden = negatieve relatie<br>Rechts = afwezigheid relatie<br>Powered by <a href=\"https:\/\/learnexams.com\/search\/study?query=aqa\" target=\"_blank\" rel=\"noopener\">https:\/\/learnexams.com\/search\/study?query=aqa<\/a><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2023\/11\/VOS-Alle-hoorcolleges.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of VOS-Alle-hoorcolleges.\"><\/object><a id=\"wp-block-file--media-a7b372b8-5ae8-4629-8a00-538118e0f423\" href=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2023\/11\/VOS-Alle-hoorcolleges.pdf\" target=\"_blank\" rel=\"noopener\">VOS-Alle-hoorcolleges<\/a><a href=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2023\/11\/VOS-Alle-hoorcolleges.pdf\" class=\"wp-block-file__button wp-element-button\" aria-describedby=\"wp-block-file--media-a7b372b8-5ae8-4629-8a00-538118e0f423\" download target=\"_blank\" rel=\"noopener\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>VOS: Alle hoorcolleges;Bevat aantekeningen van alle hoorcolleges (niet instructiecolleges) die onderdeel zijn van de tentamenstof. VOS: Alle hoorcolleges1Hoorcollege 1 Multipele regressieMultipele regressieVoorbeeldverslag \u2192 allemaal factoren (risicofactoren, opvoedingsprincipes, schoolfactoren etc.) dieeen rol spelen op de schoolprestaties van kinderen. \u2192 nagaan wat de invloed van deze variabelen(onafhankelijk) hebben op de schoolprestaties (afhankelijke) \u2192 multipele regressieModelPadmodel multipele regressieMet [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-125191","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/125191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=125191"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/125191\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=125191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=125191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=125191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}