{"id":"https://openalex.org/W2338582311","doi":"https://doi.org/10.1145/2858036.2858319","title":"To Sign Up, or not to Sign Up?","display_name":"To Sign Up, or not to Sign Up?","publication_year":2016,"publication_date":"2016-05-05","ids":{"openalex":"https://openalex.org/W2338582311","doi":"https://doi.org/10.1145/2858036.2858319","mag":"2338582311"},"language":"en","primary_location":{"id":"doi:10.1145/2858036.2858319","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2858036.2858319","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.research.manchester.ac.uk/portal/en/publications/to-sign-up-or-not-to-sign-up-maximizing-citizen-science-contribution-rates-through-optional-registration(baa40a65-e24d-46d6-a40a-c9b43cdc36ea).html","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073224837","display_name":"Caroline Jay","orcid":"https://orcid.org/0000-0002-6080-1382"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Caroline Jay","raw_affiliation_strings":["University of Manchester, Manchester, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Manchester, Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030154492","display_name":"Robert Dunne","orcid":"https://orcid.org/0000-0001-8253-8477"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Robert Dunne","raw_affiliation_strings":["University of Manchester, Manchester, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Manchester, Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044088059","display_name":"David Gelsthorpe","orcid":null},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David Gelsthorpe","raw_affiliation_strings":["University of Manchester, Manchester, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Manchester, Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083965427","display_name":"Markel Vigo","orcid":"https://orcid.org/0000-0003-4768-7623"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Markel Vigo","raw_affiliation_strings":["University of Manchester, Manchester, United Kingdom"],"affiliations":[{"raw_affiliation_string":"University of Manchester, Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5073224837"],"corresponding_institution_ids":["https://openalex.org/I28407311"],"apc_list":null,"apc_paid":null,"fwci":4.547,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.94697824,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1827","last_page":"1832"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9994000196456909,"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9994000196456909,"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/T10895","display_name":"Species Distribution and Climate Change","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2302","display_name":"Ecological Modeling"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11675","display_name":"Open Source Software Innovations","score":0.9901000261306763,"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/sign","display_name":"Sign (mathematics)","score":0.877704381942749},{"id":"https://openalex.org/keywords/ask-price","display_name":"Ask price","score":0.7789772748947144},{"id":"https://openalex.org/keywords/register","display_name":"Register (sociolinguistics)","score":0.7454066872596741},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.7124655246734619},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.6775202751159668},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6487132906913757},{"id":"https://openalex.org/keywords/interface","display_name":"Interface (matter)","score":0.5535078644752502},{"id":"https://openalex.org/keywords/single-sign-on","display_name":"Single sign-on","score":0.45470672845840454},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.37520018219947815},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2570812702178955},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.2356952726840973},{"id":"https://openalex.org/keywords/finance","display_name":"Finance","score":0.0815277099609375},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.07150200009346008}],"concepts":[{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.877704381942749},{"id":"https://openalex.org/C90329073","wikidata":"https://www.wikidata.org/wiki/Q914232","display_name":"Ask price","level":2,"score":0.7789772748947144},{"id":"https://openalex.org/C2779235478","wikidata":"https://www.wikidata.org/wiki/Q286576","display_name":"Register (sociolinguistics)","level":2,"score":0.7454066872596741},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.7124655246734619},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.6775202751159668},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6487132906913757},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.5535078644752502},{"id":"https://openalex.org/C2776362682","wikidata":"https://www.wikidata.org/wiki/Q568494","display_name":"Single sign-on","level":3,"score":0.45470672845840454},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.37520018219947815},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2570812702178955},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.2356952726840973},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0815277099609375},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.07150200009346008},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C129307140","wikidata":"https://www.wikidata.org/wiki/Q6795880","display_name":"Maximum bubble pressure method","level":3,"score":0.0},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C157915830","wikidata":"https://www.wikidata.org/wiki/Q2928001","display_name":"Bubble","level":2,"score":0.0},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2858036.2858319","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2858036.2858319","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:publications/baa40a65-e24d-46d6-a40a-c9b43cdc36ea","is_oa":true,"landing_page_url":"https://research.manchester.ac.uk/en/publications/baa40a65-e24d-46d6-a40a-c9b43cdc36ea","pdf_url":"https://www.research.manchester.ac.uk/portal/en/publications/to-sign-up-or-not-to-sign-up-maximizing-citizen-science-contribution-rates-through-optional-registration(baa40a65-e24d-46d6-a40a-c9b43cdc36ea).html","source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Jay, C, Dunne, R, Gelsthorpe, D & Vigo, M 2016, To Sign Up, or not to Sign Up?: Maximizing Citizen Science Contribution Rates through Optional Registration. in Proceedings of the 34th Annual ACM Conference on Human Factors in Computing Systems, CHI \u201916. Proceedings of the 34th Annual ACM Conference on Human Factors in Computing Systems, CHI \u201916, Association for Computing Machinery, pp. 1827-1832, 34th Annual ACM Conference on Human Factors in Computing Systems, 1/01/24. https://doi.org/10.1145/2858036.2858319","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:pure.atira.dk:publications/baa40a65-e24d-46d6-a40a-c9b43cdc36ea","is_oa":true,"landing_page_url":"https://research.manchester.ac.uk/en/publications/baa40a65-e24d-46d6-a40a-c9b43cdc36ea","pdf_url":"https://www.research.manchester.ac.uk/portal/en/publications/to-sign-up-or-not-to-sign-up-maximizing-citizen-science-contribution-rates-through-optional-registration(baa40a65-e24d-46d6-a40a-c9b43cdc36ea).html","source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Jay, C, Dunne, R, Gelsthorpe, D & Vigo, M 2016, To Sign Up, or not to Sign Up?: Maximizing Citizen Science Contribution Rates through Optional Registration. in Proceedings of the 34th Annual ACM Conference on Human Factors in Computing Systems, CHI \u201916. Proceedings of the 34th Annual ACM Conference on Human Factors in Computing Systems, CHI \u201916, Association for Computing Machinery, pp. 1827-1832, 34th Annual ACM Conference on Human Factors in Computing Systems, 1/01/24. https://doi.org/10.1145/2858036.2858319","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2338582311.pdf","grobid_xml":"https://content.openalex.org/works/W2338582311.grobid-xml"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W124884934","https://openalex.org/W323338930","https://openalex.org/W1541799494","https://openalex.org/W1923683532","https://openalex.org/W1966114254","https://openalex.org/W1976966855","https://openalex.org/W1978409809","https://openalex.org/W1985095406","https://openalex.org/W1994927185","https://openalex.org/W1998235746","https://openalex.org/W2002616861","https://openalex.org/W2022120424","https://openalex.org/W2023645166","https://openalex.org/W2025280459","https://openalex.org/W2033354470","https://openalex.org/W2038335849","https://openalex.org/W2064610985","https://openalex.org/W2066890700","https://openalex.org/W2068671681","https://openalex.org/W2072188275","https://openalex.org/W2073338313","https://openalex.org/W2073777525","https://openalex.org/W2078207801","https://openalex.org/W2095581768","https://openalex.org/W2097643062","https://openalex.org/W2100934737","https://openalex.org/W2109676597","https://openalex.org/W2110228583","https://openalex.org/W2112193291","https://openalex.org/W2123607953","https://openalex.org/W2124793952","https://openalex.org/W2125545976","https://openalex.org/W2141282920","https://openalex.org/W2150664314","https://openalex.org/W2295675274","https://openalex.org/W4256346759","https://openalex.org/W4300107936"],"related_works":["https://openalex.org/W2493320815","https://openalex.org/W2168627904","https://openalex.org/W2515552481","https://openalex.org/W156769215","https://openalex.org/W1570348318","https://openalex.org/W4312941541","https://openalex.org/W4249335231","https://openalex.org/W1533758957","https://openalex.org/W579042414","https://openalex.org/W2315060393"],"abstract_inverted_index":{"Many":[0],"citizen":[1],"science":[2],"projects":[3,127],"ask":[4],"people":[5,47,97],"to":[6,48,55,58,67,74,78,100,123,132,144],"create":[7,133],"an":[8,43,134],"account":[9],"before":[10],"they":[11],"participate":[12,49],"-":[13],"some":[14],"require":[15],"it.":[16],"What":[17],"effect":[18],"does":[19],"the":[20,25,37,65,70,75,79,94,109,130,137],"registration":[21,41],"process":[22,138],"have":[23],"on":[24],"number":[26,71],"and":[27,102],"quality":[28],"of":[29,39,72],"contributions?":[30],"We":[31,61,87],"present":[32],"a":[33,142],"controlled":[34],"study":[35,119],"comparing":[36],"effects":[38],"mandatory":[40],"with":[42],"interface":[44,110],"that":[45,63,90,108,122],"enables":[46],"without":[50,83],"registering,":[51],"but":[52,136],"allows":[53],"them":[54],"sign":[56],"up":[57],"'claim'":[59],"contributions.":[60],"demonstrate":[62],"removing":[64],"requirement":[66],"register":[68],"increases":[69],"visitors":[73],"site":[76],"contributing":[77],"project":[80],"by":[81],"62%,":[82],"reducing":[84],"data":[85],"quality.":[86],"also":[88],"discover":[89],"contribution":[91,125],"rates":[92],"are":[93],"same":[95],"for":[96,113],"who":[98,104],"choose":[99],"register,":[101],"those":[103],"remain":[105],"anonymous,":[106],"indicating":[107],"should":[111,128,139,148],"cater":[112],"differences":[114],"in":[115],"participant":[116],"motivation.":[117],"The":[118],"provides":[120],"evidence":[121],"maximize":[124],"rates,":[126],"offer":[129],"option":[131],"account,":[135],"not":[140],"be":[141,150],"barrier":[143],"immediate":[145],"contribution,":[146],"nor":[147],"it":[149],"required.":[151]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
