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Project Overview ---------------- **This project is hosted on the [Many Lab][1]. This project is complete and no longer accepting new collaborators. Visit the main project page here: [][2] for the report and openly available data.** 1. What is the project? In this project, we'll explore cross-cultural variation in the relationship between one's social environment and core temperature. This idea is based on a recent [theory of thermoregulation in humans][3], and effects that have been detected on [our relationship with homes][4]. Our goal with our project is to understand whether different aspects of our social enviromment play a different role in different cultures. This project is largely an exploratory one and it will be approached via random forest approaches in each dataset. The included questionnaires will include (but not be limited to) a Social Network Index, Attachment to people, homes, and phones, two measurements of core temperature, self control, and self-reported stress and health (for the full file, see document 1 with questionnaires [here][5], document 2 [here][6], and document 3 [here][7]). More recently, we have also added the following two questions: 1. Are you currently in a romantic relationship? Yes/No 2. To what degree do you identify as being monogamous? 1 Not at all - 7 Entirely Please send these in separately. *Please note that participants should complete the questionnaires between 9-11 am and should not have eaten/drunk something warm at least one hour before the study!* To learn more about the project, see the [Full Project Overview][8]. 2. What is required from collaborators? Collaborating labs are primarily responsible for collecting data. - If needed: Translate, backtranslate survey materials and check the original and backtranslation for loyalty of meaning. This document can be found [here][9]. The materials are already available in English. - Check the final Qualtrics version (programmed by our team) - Recruit at least 150 student participants (200 being the ideal) - Check whether participants took the survey between 9-11 am and whether they uploaded a correct picture. - Look up local temperatures using the participant's IP address and a local weatherdatabase - If a participant pool isn't used, identify a payment system - Since the survey will be taken at home by participants via emailed link, no lab space or computers will be needed. Please note that your participants need to have an oral thermometer and smarthpone ready to start the study. Relevant information from the original IRB submission can be found [here][10] and the approval [here][11]. The original IRB submission can be used as a base document for your own IRB submission. E-mail Rodrigo Vergara Ortúzar ( in case an IRB submission is needed with your IRB approval, and also when stating it is not needed when it is not needed. Without a document that explains IRB rules, project cannot be started. More information about the materials and methods are found in the Project Overview. 3. What will collaborators get out of this? The lead authors (Hans IJzerman, Ilker Dalgar, Siegwart Lindenberg, Sophia Weissgerber, and Thomas Pollet) will write up the paper, but will obviously send around drafts for comments/revisions. Author order in publication will be: lead authors and then collaborating researchers (ordered alphabetically). Siegwart Lindenberg will be listed as final author. If collaborators fail to hit the 150-person recruitment minimum, but still provide usable data, then they will still be on the paper, but will be demoted in the authorship order. If they provide no usable data, then they will be dropped from the paper. 4. How do I join this project? Email Sophia Weissgerber ( to join this project. Before committing, review the Project Timeline to make sure that you will be able to meet the project goals. [1]: [2]: [3]: [4]: [5]: [6]: [7]: [8]: [9]: [10]: [11]:
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