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Researchers may apply for access to the restricted files. Researchers requesting access will receive an email with the request to state their affiliation and provide a motivation for the request.","confidentialityDeclaration":"The signing of a Data Transfer Agreement may be part of the process of the procedure for re-use of the data.","citationRequirements":"According to Community norms","termsOfAccess":"Permission for re-use can be granted by the University of Groningen Digital Competence Centre on behalf of the researchers responsible for this dataset after assessment of credentials and the reason for request. \nThe procedure starts with a request for access via this dataset at DataverseNL (https://doi.org/10.34894/IKK245). Signing of a Data Transfer Agreement may be part of the procedure for re-use of the data.\n","availabilityStatus":"Restricted Access to datafiles","contactForAccess":"Via the contact details in the following dataset: https://doi.org/10.34894/IKK245","fileAccessRequest":true,"metadataBlocks":{"citation":{"displayName":"Citation Metadata","name":"citation","fields":[{"typeName":"title","multiple":false,"typeClass":"primitive","value":"ZonMW Microplastics & Citizens"},{"typeName":"author","multiple":true,"typeClass":"compound","value":[{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Maltagliati, Irene"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}},"authorIdentifierScheme":{"typeName":"authorIdentifierScheme","multiple":false,"typeClass":"controlledVocabulary","value":"ORCID"},"authorIdentifier":{"typeName":"authorIdentifier","multiple":false,"typeClass":"primitive","value":"0000-0002-8679-8636"}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Geiger, Josefine"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Melgert, Barbro"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}},"authorIdentifierScheme":{"typeName":"authorIdentifierScheme","multiple":false,"typeClass":"controlledVocabulary","value":"ORCID"},"authorIdentifier":{"typeName":"authorIdentifier","multiple":false,"typeClass":"primitive","value":"0000-0001-7091-907X"}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Graça, João"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}},"authorIdentifierScheme":{"typeName":"authorIdentifierScheme","multiple":false,"typeClass":"controlledVocabulary","value":"ORCID"},"authorIdentifier":{"typeName":"authorIdentifier","multiple":false,"typeClass":"primitive","value":"0000-0001-6868-9420"}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Kirimer, Fulya"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}}},{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Wieringa, Marieke"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"https://ror.org/012p63287","expandedvalue":{"scheme":"http://www.grid.ac/ontology/","termName":"University of Groningen","@type":"https://schema.org/Organization"}}}]},{"typeName":"datasetContact","multiple":true,"typeClass":"compound","value":[{"datasetContactName":{"typeName":"datasetContactName","multiple":false,"typeClass":"primitive","value":"Groningen Digital Competence Centre"},"datasetContactAffiliation":{"typeName":"datasetContactAffiliation","multiple":false,"typeClass":"primitive","value":"University of Groningen"}}]},{"typeName":"dsDescription","multiple":true,"typeClass":"compound","value":[{"dsDescriptionValue":{"typeName":"dsDescriptionValue","multiple":false,"typeClass":"primitive","value":"Four datafiles are present here linked with four studies:<br>\n(1) A survey with a Dutch Representative sample to investigate people's knowledge on microplastics (MPs), acceptance towards policies aimed to tackle MP pollution, habits related to MPs emission and exposure and psychological drivers related to intention to engage in MP-protective behaviors <br>\n(2) A survey with experts on MPs to investigate their perceived effectiveness of different indoor MP-preventive actions and their concern about indoor MP pollution<br>\n(3) An online experiment on the effect of playing a game on MPs (control vs experimental group) on several psychological drivers related to intention to engage in MP-protective behaviors <br>\n(4) A follow-up of the online experiment two weeks after game play to investigate people's reported changes and feedback on the game <br><br>\n\nAll data have been collected on Qualtrics. The raw data here have been anonymized and variables have been renamed to improve clarity. In the first dataset five variables (indicated with “_R”) have been recoded to account for reverse-worded scale items. In the second dataset (with experts) gender and country of residence were also removed to prevent participants from being re-identifiable."},"dsDescriptionDate":{"typeName":"dsDescriptionDate","multiple":false,"typeClass":"primitive","value":"2026"}}]},{"typeName":"subject","multiple":true,"typeClass":"controlledVocabulary","value":["Arts and Humanities","Social Sciences"]},{"typeName":"keyword","multiple":true,"typeClass":"compound","value":[{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Microplastics"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Nanoplastics"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Serious Game"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Policy acceptance"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Experts' perceptions"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Habits"}}]},{"typeName":"language","multiple":true,"typeClass":"controlledVocabulary","value":["Dutch","English"]},{"typeName":"grantNumber","multiple":true,"typeClass":"compound","value":[{"grantNumberAgency":{"typeName":"grantNumberAgency","multiple":false,"typeClass":"primitive","value":"ZonMW"},"grantNumberValue":{"typeName":"grantNumberValue","multiple":false,"typeClass":"primitive","value":"04580012320018"}}]},{"typeName":"distributor","multiple":true,"typeClass":"compound","value":[{"distributorName":{"typeName":"distributorName","multiple":false,"typeClass":"primitive","value":"DataverseNL Network"},"distributorAffiliation":{"typeName":"distributorAffiliation","multiple":false,"typeClass":"primitive","value":"DANS"},"distributorAbbreviation":{"typeName":"distributorAbbreviation","multiple":false,"typeClass":"primitive","value":"DVNL"},"distributorURL":{"typeName":"distributorURL","multiple":false,"typeClass":"primitive","value":"https://dataverse.nl"}}]},{"typeName":"depositor","multiple":false,"typeClass":"primitive","value":"Elsenga, Christina"},{"typeName":"dateOfDeposit","multiple":false,"typeClass":"primitive","value":"2026-03-03"}]},"dansDataVaultMetadata":{"displayName":"Data Vault Metadata","name":"dansDataVaultMetadata","fields":[{"typeName":"dansDataversePid","multiple":false,"typeClass":"primitive","value":"doi:10.34894/IKK245"},{"typeName":"dansDataversePidVersion","multiple":false,"typeClass":"primitive","value":"1.1"},{"typeName":"dansBagId","multiple":false,"typeClass":"primitive","value":"urn:uuid:a7aace63-9f22-4fd0-8632-15958f557bff"},{"typeName":"dansNbn","multiple":false,"typeClass":"primitive","value":"urn:nbn:nl:ui:13-c71938c2-90a6-402c-a0ad-8c5b6ab8e404"}]}},"files":[{"description":"Dataset of participants contacted for a follow-up survey two weeks after playing the game. 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