{"id":"https://openalex.org/W1993640684","doi":"https://doi.org/10.1145/2133806.2133824","title":"Sample size in usability studies","display_name":"Sample size in usability studies","publication_year":2012,"publication_date":"2012-03-23","ids":{"openalex":"https://openalex.org/W1993640684","doi":"https://doi.org/10.1145/2133806.2133824","mag":"1993640684"},"language":"en","primary_location":{"id":"doi:10.1145/2133806.2133824","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2133806.2133824","pdf_url":null,"source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ris.utwente.nl/ws/files/6588743/p64-schmettow.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038134940","display_name":"Martin Schmettow","orcid":"https://orcid.org/0000-0003-0240-4087"},"institutions":[{"id":"https://openalex.org/I94624287","display_name":"University of Twente","ror":"https://ror.org/006hf6230","country_code":"NL","type":"education","lineage":["https://openalex.org/I94624287"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Martin Schmettow","raw_affiliation_strings":["University of Twente, Enschede, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Twente, Enschede, The Netherlands","institution_ids":["https://openalex.org/I94624287"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5038134940"],"corresponding_institution_ids":["https://openalex.org/I94624287"],"apc_list":null,"apc_paid":null,"fwci":10.35,"has_fulltext":true,"cited_by_count":135,"citation_normalized_percentile":{"value":0.98267237,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"55","issue":"4","first_page":"64","last_page":"70"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11719","display_name":"Data Quality and Management","score":0.9787999987602234,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11719","display_name":"Data Quality and Management","score":0.9787999987602234,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10470","display_name":"Usability and User Interface Design","score":0.95660001039505,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/usability","display_name":"Usability","score":0.7462296485900879},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.61320960521698},{"id":"https://openalex.org/keywords/sample","display_name":"Sample (material)","score":0.5873540639877319},{"id":"https://openalex.org/keywords/sample-size-determination","display_name":"Sample size determination","score":0.42525485157966614},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.26158690452575684},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20480668544769287},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14854669570922852},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.07475408911705017}],"concepts":[{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.7462296485900879},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.61320960521698},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.5873540639877319},{"id":"https://openalex.org/C129848803","wikidata":"https://www.wikidata.org/wiki/Q2564360","display_name":"Sample size determination","level":2,"score":0.42525485157966614},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.26158690452575684},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20480668544769287},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14854669570922852},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.07475408911705017},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2133806.2133824","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2133806.2133824","pdf_url":null,"source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"},{"id":"pmh:oai:ris.utwente.nl:openaire_cris_publications/6572c059-354a-4db2-ae00-87f426d6ba2d","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/6572c059-354a-4db2-ae00-87f426d6ba2d","pdf_url":"https://ris.utwente.nl/ws/files/6588743/p64-schmettow.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schmettow, M 2012, 'Sample size in usability studies', Communications of the ACM, vol. 55, no. 4, pp. 64-70. https://doi.org/10.1145/2133806.2133824","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:ris.utwente.nl:openaire_cris_publications/6572c059-354a-4db2-ae00-87f426d6ba2d","is_oa":true,"landing_page_url":"https://research.utwente.nl/en/publications/6572c059-354a-4db2-ae00-87f426d6ba2d","pdf_url":"https://ris.utwente.nl/ws/files/6588743/p64-schmettow.pdf","source":{"id":"https://openalex.org/S4406922991","display_name":"University of Twente Research Information","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schmettow, M 2012, 'Sample size in usability studies', Communications of the ACM, vol. 55, no. 4, pp. 64-70. https://doi.org/10.1145/2133806.2133824","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.4300000071525574}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1993640684.pdf","grobid_xml":"https://content.openalex.org/works/W1993640684.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W158000699","https://openalex.org/W1564790563","https://openalex.org/W1596097681","https://openalex.org/W1596953637","https://openalex.org/W2007144265","https://openalex.org/W2008522363","https://openalex.org/W2016022053","https://openalex.org/W2029540050","https://openalex.org/W2030028822","https://openalex.org/W2035081519","https://openalex.org/W2039837445","https://openalex.org/W2045203569","https://openalex.org/W2049671505","https://openalex.org/W2082426156","https://openalex.org/W2085845734","https://openalex.org/W2099473180","https://openalex.org/W2112136322","https://openalex.org/W2142031697","https://openalex.org/W2150341975","https://openalex.org/W2158196600","https://openalex.org/W2165921013","https://openalex.org/W2308373634","https://openalex.org/W2526314773","https://openalex.org/W4243176645","https://openalex.org/W4285719527","https://openalex.org/W6727553160"],"related_works":["https://openalex.org/W2100369842","https://openalex.org/W4293088233","https://openalex.org/W2162280767","https://openalex.org/W2999104021","https://openalex.org/W2774950576","https://openalex.org/W1951942432","https://openalex.org/W1986523067","https://openalex.org/W3082212156","https://openalex.org/W4225831730","https://openalex.org/W1570799877"],"abstract_inverted_index":{"Magic":[0],"numbers":[1],"are":[2],"strictly":[3],"hocus-pocus,":[4],"so":[5],"usability":[6],"studies":[7],"must":[8],"test":[9],"many":[10],"more":[11],"subjects":[12],"than":[13],"is":[14],"usually":[15],"assumed.":[16]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":3}],"updated_date":"2026-06-12T08:23:45.883708","created_date":"2025-10-10T00:00:00"}