{"id":115,"date":"2019-05-18T16:04:32","date_gmt":"2019-05-18T14:04:32","guid":{"rendered":"https:\/\/blogg.uit.no\/eni081\/?p=115"},"modified":"2022-09-21T09:36:41","modified_gmt":"2022-09-21T07:36:41","slug":"115","status":"publish","type":"post","link":"https:\/\/blogg.uit.no\/eni081\/2019\/05\/18\/115\/","title":{"rendered":"IRT and midnight sun"},"content":{"rendered":"<p>It&#8217;s been a while since I&#8217;ve posted a picture of my wonderful, brilliant,\u00a0 encouraging supervisors, so here&#8217;s &#8220;Team Ellen&#8221; (as they say) at our last meeting before the summer.\u00a0 \ud83d\ude42 They&#8217;re the best! \ud83d\ude42<\/p>\n<p><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-116\" src=\"https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/Team-Ellen-IMG_5395copy-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/Team-Ellen-IMG_5395copy-300x225.jpg 300w, https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/Team-Ellen-IMG_5395copy.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>I passed both of my courses this semester: <a href=\"https:\/\/uit.no\/utdanning\/emner\/emne\/509412\/hel-8024\" target=\"_blank\" rel=\"noopener\">Quantitative research methods<\/a> (statistics) and &#8220;<a href=\"https:\/\/uit.no\/utdanning\/emner\/emne\/541884\/gen-8001\">Take control of your PhD-journey<\/a>&#8221; (from the library). I&#8217;ll also receive credits for the courses that I took at <a href=\"https:\/\/eng.inn.no\/study-opportunities\/catalogue\/school-kindergarten-and-pedagogy\/phd-in-teaching-and-teacher-education-proff\" target=\"_blank\" rel=\"noopener\">HINN<\/a>, so I&#8217;m well on my way toward completing my course credits. In this PhD-program, only 30 credits are from course work, while 150 are from the research and thesis, so I still have a lot of work to do!<\/p>\n<p>Last week Torstein and I did some statistical analyses of the data we collected in the pilot study. Using the statistics program <em>r<\/em>, data from the 268 respondents were analyzed in an exploratory manner for two\u00a0parameters in <a href=\"https:\/\/en.wikipedia.org\/wiki\/Item_response_theory\" target=\"_blank\" rel=\"noopener\">Item Response Theory<\/a> (IRT) \u2013 item difficulty and item discrimination. R generated these item characteristic curves for our 16 items.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-117\" src=\"https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/IRT-item-characteristic-curves-pilot-300x232.jpeg\" alt=\"\" width=\"300\" height=\"232\" srcset=\"https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/IRT-item-characteristic-curves-pilot-300x232.jpeg 300w, https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/IRT-item-characteristic-curves-pilot-768x594.jpeg 768w, https:\/\/blogg.uit.no\/eni081\/wp-content\/uploads\/sites\/158\/2019\/05\/IRT-item-characteristic-curves-pilot.jpeg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>By interpreting their slopes and placement, these curves tell us how difficult the survey questions are and how well they discriminate between students with much of the latent trait &#8220;information literacy,&#8221; and those with little of the trait. This enabled us to further reduce the number of survey questions from 16 to 10. We&#8217;re trying to accurately measure certain aspects of IL with as short a survey as possible.<\/p>\n<p>But now it&#8217;s actually sunny and warm here in Troms\u00f8 (the warmest it&#8217;s been since I arrived in October), so I&#8217;ll continue with more on a cloudy day. And for the astronomically interested: the <a href=\"https:\/\/www.timeanddate.com\/sun\/norway\/tromso\" target=\"_blank\" rel=\"noopener\">sun rose today at 1:03 AM<\/a> and won&#8217;t set until July 27th! Welcome MIDNIGHT SUN! \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s been a while since I&#8217;ve posted a picture of my wonderful, brilliant,\u00a0 encouraging supervisors, so here&#8217;s &#8220;Team Ellen&#8221; (as they say) at our last meeting before the summer.\u00a0 \ud83d\ude42 They&#8217;re the best! \ud83d\ude42 I passed both of my courses this semester: Quantitative research methods (statistics) and &#8220;Take control of your PhD-journey&#8221; (from the library). &hellip; <a href=\"https:\/\/blogg.uit.no\/eni081\/2019\/05\/18\/115\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">IRT and midnight sun<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":260,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-115","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"featured_image_src":"","featured_image_src_square":false,"author_info":{"display_name":"Ellen Nierenberg","author_link":"https:\/\/blogg.uit.no\/eni081\/author\/ellen-nierenberg\/"},"rbea_author_info":{"display_name":"Ellen Nierenberg","author_link":"https:\/\/blogg.uit.no\/eni081\/author\/ellen-nierenberg\/"},"rbea_excerpt_info":"It&#8217;s been a while since I&#8217;ve posted a picture of my wonderful, brilliant,\u00a0 encouraging supervisors, so here&#8217;s &#8220;Team Ellen&#8221; (as they say) at our last meeting before the summer.\u00a0 \ud83d\ude42 They&#8217;re the best! \ud83d\ude42 I passed both of my courses this semester: Quantitative research methods (statistics) and &#8220;Take control of your PhD-journey&#8221; (from the library). &hellip; <a href=\"https:\/\/blogg.uit.no\/eni081\/2019\/05\/18\/115\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">IRT and midnight sun<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a>","category_list":"<a href=\"https:\/\/blogg.uit.no\/eni081\/category\/uncategorized\/\" rel=\"category tag\">Uncategorized<\/a>","comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/posts\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/users\/260"}],"replies":[{"embeddable":true,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/comments?post=115"}],"version-history":[{"count":10,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/posts\/115\/revisions"}],"predecessor-version":[{"id":349,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/posts\/115\/revisions\/349"}],"wp:attachment":[{"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/media?parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/categories?post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogg.uit.no\/eni081\/wp-json\/wp\/v2\/tags?post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}