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The questionnaire and tasks are completed anonymously, and all data collected in this study will be kept completely confidential and stored electronically.   Only members of the Social and Evolutionary Neuroscience Research Group, Department of Experiemental Psychology, University of Oxford will have access to the data for the purpose of analysis.

There are no risks involved in this study.


You are welcome to ask questions about the study before deciding whether or not to participate. If you choose to participate in this research, you are free to withdraw at any time, no questions asked and without any penalty.

This research is being conducted by Dr Anna Machin (Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford, OX1 3UD).

If you have a question about any aspect of this study, please contact Dr Machin ( who will answer your query.

This study has been reviewed and approved by the University of Oxford Central University Research Ethics Committee.



If you have a concern about any aspect of this project please speak to Dr Anna Machin (01865 271413; who will do her best to answer your query. If you remain unhappy and wish to make a formal complaint, please contact the Research Ethics Committee at the University of Oxford (; Medical Sciences Inter-Divisional Research Ethics Committee, Medical Sciences Divisional Office, Level 3 John Radcliffe Hospital, Oxford, OX3 9DU, UK).



Before proceeding please read and sign the consent form by marking your agreement next to each statement:

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