READ ME File For 'Uncertainty about the risks associated with microplastics among lay and topic-experienced respondents' Dataset DOI: 10.5258/SOTON/D1379 ReadMe Author: Thiele, C.J., University of Southampton [ORCID ID 0000-0002-3160-1189] This dataset supports the publication: AUTHORS: Thiele, Christina J. and Hudson, Malcolm, D. TITLE: Uncertainty about the risks associated with microplastics among lay and topic-experienced respondents JOURNAL: Scientific Reports PAPER DOI IF KNOWN: https://dx.doi.org/10.1038/s41598-021-86569-5 This dataset contains: Data supporting the above mentioned publication can be found in the excel file 'data for manuscript_survey.xlsx'. The file is divided into tabs. Tab 'Questions' Contains the questions (numbered) that were posed to participants. Tab 'Notes to responses' Provides additional information to evaluate responses in the following tabs. Tabs 'Responses part1' and 'Responses part2' Contain numerical answers to survey questions Particpant information sheet and consent is available as pdf. Date of data collection: from September 2018 to May 2019 Information about geographic location of data collection: global web-based survey collected via University of Southampton, UK Licence: CC BY-NC-SA Related projects: This work was supported by the EPSRC Doctoral Programme, Leverhulme Trust Doctoral Scholarship and the Blue Marine Foundation, London, UK. Date that the file was created: June, 2020