{"id":"https://openalex.org/W3002551113","doi":"https://doi.org/10.1145/3369255.3369291","title":"Leveraging Smartwatches to Estimate Students' Perceived Difficulty and Interest in Online Video Lectures","display_name":"Leveraging Smartwatches to Estimate Students' Perceived Difficulty and Interest in Online Video Lectures","publication_year":2019,"publication_date":"2019-10-28","ids":{"openalex":"https://openalex.org/W3002551113","doi":"https://doi.org/10.1145/3369255.3369291","mag":"3002551113"},"language":"en","primary_location":{"id":"doi:10.1145/3369255.3369291","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3369255.3369291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 11th International Conference on Education Technology and Computers","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018077023","display_name":"Jinhan Choi","orcid":"https://orcid.org/0000-0002-5690-5963"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Jinhan Choi","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063572316","display_name":"Jeongyun Han","orcid":"https://orcid.org/0000-0002-0010-098X"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeongyun Han","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084463213","display_name":"Woochang Hyun","orcid":"https://orcid.org/0009-0004-3389-4087"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Woochang Hyun","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005935000","display_name":"Hyunchul Lim","orcid":"https://orcid.org/0000-0001-8397-3534"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunchul Lim","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040063320","display_name":"Sun Huh","orcid":"https://orcid.org/0000-0002-8559-8640"},"institutions":[{"id":"https://openalex.org/I158743462","display_name":"Seoul National University of Education","ror":"https://ror.org/01xts9v65","country_code":"KR","type":"education","lineage":["https://openalex.org/I158743462"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sun Young Huh","raw_affiliation_strings":["Department of Education, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Education, Seoul National University, South Korea","institution_ids":["https://openalex.org/I158743462"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100769423","display_name":"So\u2010Hyun Park","orcid":"https://orcid.org/0009-0005-6925-9349"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"SoHyun Park","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027548665","display_name":"Bongwon Suh","orcid":"https://orcid.org/0000-0001-5610-9265"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Bongwon Suh","raw_affiliation_strings":["Department of Transdisciplinary Studies, Seoul National University, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Transdisciplinary Studies, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5018077023"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":null,"apc_paid":null,"fwci":1.2037,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.84153121,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"171","last_page":"175"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11122","display_name":"Online Learning and Analytics","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11122","display_name":"Online Learning and Analytics","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10162","display_name":"Online and Blended Learning","score":0.980400025844574,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10355","display_name":"Impact of Technology on Adolescents","score":0.9537000060081482,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/smartwatch","display_name":"Smartwatch","score":0.8680379986763},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7182656526565552},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.6029208302497864},{"id":"https://openalex.org/keywords/online-video","display_name":"Online video","score":0.43394118547439575},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.423145592212677},{"id":"https://openalex.org/keywords/wearable-computer","display_name":"Wearable computer","score":0.13002660870552063},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.10025587677955627}],"concepts":[{"id":"https://openalex.org/C29794715","wikidata":"https://www.wikidata.org/wiki/Q5362345","display_name":"Smartwatch","level":3,"score":0.8680379986763},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7182656526565552},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.6029208302497864},{"id":"https://openalex.org/C2988167200","wikidata":"https://www.wikidata.org/wiki/Q16885149","display_name":"Online video","level":2,"score":0.43394118547439575},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.423145592212677},{"id":"https://openalex.org/C150594956","wikidata":"https://www.wikidata.org/wiki/Q1334829","display_name":"Wearable computer","level":2,"score":0.13002660870552063},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.10025587677955627}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3369255.3369291","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3369255.3369291","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2019 11th International Conference on Education Technology and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7699999809265137,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1868073028","https://openalex.org/W1982709543","https://openalex.org/W2018206893","https://openalex.org/W2020386158","https://openalex.org/W2051525497","https://openalex.org/W2053924421","https://openalex.org/W2056250763","https://openalex.org/W2059068900","https://openalex.org/W2095954106","https://openalex.org/W2097576509","https://openalex.org/W2138485144","https://openalex.org/W2161072671","https://openalex.org/W2172071592"],"related_works":["https://openalex.org/W2355862304","https://openalex.org/W2347883734","https://openalex.org/W2757470104","https://openalex.org/W2356108042","https://openalex.org/W2376796979","https://openalex.org/W2762811937","https://openalex.org/W2128428210","https://openalex.org/W2379418341","https://openalex.org/W2000367546","https://openalex.org/W2380054981"],"abstract_inverted_index":{"Online":[0],"videos":[1],"have":[2],"become":[3],"a":[4,127],"popular":[5],"medium":[6],"for":[7,21,39,129],"delivering":[8],"educational":[9,18],"materials.":[10],"Analyzing":[11],"video":[12,66,91,133],"interaction":[13,67],"log":[14,34,68],"can":[15],"provide":[16],"valuable":[17],"insights.":[19],"However,":[20],"small-sized":[22],"online":[23,33,65,90,132],"courses,":[24],"due":[25],"to":[26,49,57,79],"the":[27,51,81,102,120,124],"small":[28],"size":[29],"of":[30,53,60,86,104,126],"samples,":[31],"analyzing":[32],"is":[35],"often":[36],"not":[37],"enough":[38],"modeling":[40],"students'":[41,130],"learning":[42],"behaviors.":[43],"In":[44],"this":[45],"study,":[46],"we":[47],"aim":[48],"explore":[50],"feasibility":[52],"utilizing":[54],"commercial":[55],"smartwatches":[56,75],"augment":[58],"building":[59],"such":[61],"models.":[62],"We":[63,118],"collected":[64],"as":[69,71],"well":[70],"physiological":[72],"data":[73,98],"from":[74],"and":[76,84,111,115],"built":[77],"models":[78],"estimate":[80],"perceived":[82,109],"difficulty":[83,110],"interest":[85,112],"students":[87],"while":[88],"watching":[89],"lectures.":[92],"The":[93],"results":[94],"show":[95],"that":[96],"smartwatch":[97,128],"could":[99,122],"significantly":[100],"improve":[101],"amount":[103],"explained":[105],"variance":[106],"in":[107,131],"their":[108],"by":[113],"100%":[114],"64%":[116],"respectively.":[117],"hope":[119],"result":[121],"inform":[123],"application":[125],"learning.":[134]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
