{"id":"https://openalex.org/W4312411430","doi":"https://doi.org/10.1145/3551708.3551768","title":"Impacts of Video Clarity on Learning Efficiency in Online Learning: the visual occlusion effect","display_name":"Impacts of Video Clarity on Learning Efficiency in Online Learning: the visual occlusion effect","publication_year":2022,"publication_date":"2022-07-13","ids":{"openalex":"https://openalex.org/W4312411430","doi":"https://doi.org/10.1145/3551708.3551768"},"language":"en","primary_location":{"id":"doi:10.1145/3551708.3551768","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3551708.3551768","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 6th International Conference on Education and Multimedia Technology","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/A5016349203","display_name":"Kaifang Yang","orcid":"https://orcid.org/0000-0002-3173-0394"},"institutions":[{"id":"https://openalex.org/I88830068","display_name":"Shaanxi Normal University","ror":"https://ror.org/0170z8493","country_code":"CN","type":"education","lineage":["https://openalex.org/I88830068"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kaifang Yang","raw_affiliation_strings":["School of Computer Science, Shaanxi Normal University, China"],"raw_orcid":"https://orcid.org/0000-0002-3173-0394","affiliations":[{"raw_affiliation_string":"School of Computer Science, Shaanxi Normal University, China","institution_ids":["https://openalex.org/I88830068"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075466712","display_name":"Ziyu Shi","orcid":"https://orcid.org/0000-0002-3805-4501"},"institutions":[{"id":"https://openalex.org/I88830068","display_name":"Shaanxi Normal University","ror":"https://ror.org/0170z8493","country_code":"CN","type":"education","lineage":["https://openalex.org/I88830068"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyu Shi","raw_affiliation_strings":["School of Computer Science, Shaanxi Normal University, China"],"raw_orcid":"https://orcid.org/0000-0002-3805-4501","affiliations":[{"raw_affiliation_string":"School of Computer Science, Shaanxi Normal University, China","institution_ids":["https://openalex.org/I88830068"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101585737","display_name":"Yanchao Gong","orcid":"https://orcid.org/0000-0002-1398-2344"},"institutions":[{"id":"https://openalex.org/I4210136859","display_name":"Xi\u2019an University of Posts and Telecommunications","ror":"https://ror.org/04jn0td46","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210136859"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanchao Gong","raw_affiliation_strings":["School of Communications and Information Engineering, Xi'an University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0002-1398-2344","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Xi'an University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I4210136859"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5016349203"],"corresponding_institution_ids":["https://openalex.org/I88830068"],"apc_list":null,"apc_paid":null,"fwci":0.3843,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.66731323,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"201","last_page":"206"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11516","display_name":"Visual and Cognitive Learning Processes","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11516","display_name":"Visual and Cognitive Learning Processes","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10162","display_name":"Online and Blended Learning","score":0.9950000047683716,"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/T11122","display_name":"Online Learning and Analytics","score":0.9922999739646912,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/clarity","display_name":"CLARITY","score":0.9418691396713257},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.6567027568817139},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6414339542388916},{"id":"https://openalex.org/keywords/cognition","display_name":"Cognition","score":0.44790080189704895},{"id":"https://openalex.org/keywords/video-quality","display_name":"Video quality","score":0.42971518635749817},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.230013906955719},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08197289705276489}],"concepts":[{"id":"https://openalex.org/C2777146004","wikidata":"https://www.wikidata.org/wiki/Q14949826","display_name":"CLARITY","level":2,"score":0.9418691396713257},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.6567027568817139},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6414339542388916},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.44790080189704895},{"id":"https://openalex.org/C103910844","wikidata":"https://www.wikidata.org/wiki/Q2631256","display_name":"Video quality","level":3,"score":0.42971518635749817},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.230013906955719},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08197289705276489},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3551708.3551768","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3551708.3551768","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 6th International Conference on Education and Multimedia Technology","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1997313875","https://openalex.org/W2072022248","https://openalex.org/W2096415318","https://openalex.org/W2249152912","https://openalex.org/W2625051696","https://openalex.org/W2955482923","https://openalex.org/W2966192018","https://openalex.org/W2991485441","https://openalex.org/W2995596930","https://openalex.org/W3020063080","https://openalex.org/W3089426209","https://openalex.org/W3089978092","https://openalex.org/W3126373718","https://openalex.org/W3169625552","https://openalex.org/W3172006205","https://openalex.org/W4213346165"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2086338133","https://openalex.org/W4367679314","https://openalex.org/W225526533","https://openalex.org/W2078361494","https://openalex.org/W2009234990","https://openalex.org/W4244083766","https://openalex.org/W2091016074","https://openalex.org/W2134615400"],"abstract_inverted_index":{"As":[0],"a":[1,101],"multi-dimensional":[2],"pixel":[3],"matrix,":[4],"video":[5,17,19,43,48,71,75,86,95,161],"has":[6],"become":[7],"primary":[8],"instructional":[9,124],"medium":[10],"to":[11,16,38,99,105],"promote":[12],"learning.":[13],"However,":[14],"due":[15],"compression,":[18],"quality":[20],"is":[21,34,82,88,97],"degraded":[22],"in":[23,53,126,134,167],"the":[24,35,40,56,114,122,131],"online":[25],"learning":[26,51,115,132,139],"(OL)":[27],"with":[28],"medium-low":[29],"transmission":[30],"bandwidth.":[31],"This":[32],"paper":[33],"first":[36],"attempt":[37],"explore":[39],"impact":[41],"of":[42,67,137],"clarity":[44,72,76,87,96],"decline":[45],"caused":[46],"by":[47],"compression":[49],"on":[50,121],"efficiency":[52],"OL.":[54,168],"In":[55],"experiment,":[57],"87":[58],"high":[59,70,85],"school":[60],"students":[61],"were":[62],"randomly":[63],"assigned":[64],"into":[65],"one":[66],"three":[68],"groups:":[69],"group,":[73,77],"low":[74,94],"and":[78,93,130,140,163],"audio-only":[79],"group.":[80],"It":[81],"concluded":[83],"that":[84,153],"more":[89],"advantageous":[90],"for":[91],"learning,":[92],"easy":[98],"cause":[100],"new":[102],"effect,":[103],"referred":[104],"as":[106],"visual":[107],"occlusion":[108],"effect":[109],"(VOE)":[110],"which":[111],"significantly":[112],"affects":[113],"efficiency.":[116],"Specifically,":[117],"VOE":[118,154],"shows":[119],"impacts":[120],"existed":[123],"effects":[125],"cognitive":[127,135],"load":[128],"theory":[129,136],"principles":[133],"multimedia":[138],"makes":[141],"them":[142],"weaken,":[143],"disappear,":[144],"reappear,":[145],"severer,":[146],"or":[147],"even":[148],"reverse.":[149],"The":[150],"findings":[151],"suggest":[152],"should":[155],"be":[156],"carefully":[157],"considered":[158],"when":[159],"designing":[160],"content":[162],"using":[164],"dual-channel":[165],"instruction":[166]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}