{"id":294622,"date":"2016-10-13T02:00:00","date_gmt":"2016-10-12T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=25d4243d4c29b5832cd034a52b3c9a62"},"modified":"2016-10-13T02:00:00","modified_gmt":"2016-10-12T23:00:00","slug":"students-common-difficulties-and-approaches-while-solving-conceptual-problems-with-non-identicallight-bulbs-in-series-and-parallel","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=294622","title":{"rendered":"Students\u2019 common difficulties and approaches while solving conceptual problems with non-identical\r\nlight bulbs in series and parallel"},"content":{"rendered":"<p>We discuss a study of student reasoning difficulties and approaches while solving problems about the<br \/>\nbrightness of non-identical light bulbs connected in series and parallel. The questions about the<br \/>\nlight bulbs can be solved quantitatively even though they were posed as conceptual problems. We<br \/>\ncompare the performance of introductory physics students with that of a set of physics PhD students<br \/>\nand find that these problems related to non-identical light bulbs are difficult even for PhD<br \/>\nstudents. We also conducted individual interviews with six introductory students to obtain an<br \/>\nin-depth understanding of their approaches and rationale for solving the problems in a particular<br \/>\nway. We discuss the conceptual difficulties displayed in the interviews and in the written responses<br \/>\nin which introductory physics students were asked to explain their reasoning. In addition to<br \/>\nconfirming some misconceptions which have previously been observed in the context of equal wattage<br \/>\nlight bulbs, use of &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We discuss a study of student reasoning difficulties and approaches while solving problems about the<br \/>\nbrightness of non-identical light bulbs connected in series and parallel. The questions about the<br \/>\nlight bulbs can be solved quantitatively even thoug&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-294622","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/294622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=294622"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/294622\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=294622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=294622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=294622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}