Want to participate in a sex study?

Listed below are links to ongoing studies of human sexuality by researchers around the world. You are eligible to participate in as many as you would like, depending upon whether you meet the selection criteria. 

If you are a researcher and would like your study added to this page, please email a one-paragraph description modeled after the postings below to drlehmiller@gmail.com. This paragraph should include the title and weblink/contact information for your survey, a sentence about the selection criteria (e.g., age, gender, or sexuality restrictions), and a sentence or two describing what will be asked of participants. Although it will not be posted on this page, please email the anticipated end date for data collection, as well as a note indicating whether your study has been approved by an IRB or ethics committee.

Thank you for your contributions to the science of sex! 

  • The Relationship Visibility Study (Kwantlen Polytechnic University) - This study is interested in how social media usage influences the outcomes of romantic relationships. Participating will require answering some questions about your relationship satisfaction, social media use, and your potential response to relationships troubles. You will also be asked some questions about yourself (i.e., demographic questions such as your age, sexual orientation, and self-perceptions). This study will take approximately 20 minutes to complete. Eligibility: open to individuals of all gender and sexual orientation identities who are currently in a relationship. [Added March 16, 2019]

  • The Influence of Body Shape on Impressions of Traits (Kwantlen Polytechnic University) - The purpose of this study is to gather opinions on the traits associated with different body types. Participating in this study requires answering some questions about yourself (i.e., demographic questions such as your age, sexual orientation, and relationship status). You will then be exposed to 3D-modelled bodies of various shapes and sizes and asked your opinion regarding their traits. This study will take approximately 25 minutes of your time. Eligibility - open to individuals of all gender and sexual orientation identities. [Added February 15, 2019]

  • Cognition and Arousal Study (Queen’s University) - The goal of this research is to better understand factors influencing genital arousal sensations and perceptions. Completion of online questionnaires asking about bodily sensations and perceptions following 2 brief videos will take approximately 20 to 30 minutes. We are currently looking for individuals 18+ who do not experience sexual difficulties, are comfortable watching videos that contain sexually explicit material, and are able to read and write in English. [Added February 11, 2019]

  • Perceptions of Variation in Female Genitalia (Kwantlen Polytechnic University) - The purpose of this study is to gather opinions about the appearance of female genitalia. Participating in this study requires answering some questions about yourself (i.e., demographic questions such as your age, sexual orientation, and relationship status) and about your personal viewing habits (if any) of sexually explicit material. You will then be exposed to various images of vulvas and asked your opinion regarding their appearance. This study will take approximately 15 minutes of your time. Eligibility: open to individuals of all gender and sexual orientation identities [Added January 16, 2019]

  • Sexual Consent and Sexual Orientation Study (Western University) - We are looking for volunteers to take part in an online study that examines sexual consent behaviours. The study is expected to take less than an hour to complete. You may take part in the study if you: (1) Are 18 years or older, (2) Speak English, and (3) Have had at least one sexual partner. If you are interested and would like to participate you will be asked to complete an online questionnaire. [Added January 10, 2019]

  • The Influence of Irregular Menstrual Status on Attitudes Toward Sexuality (Kwantlen Polytechnic University)- The purpose of this study is to examine whether the consistency and severity of women's menstruation impacts psychosexual variables such as genital self-esteem, attitudes toward sex and sexuality, quality of sex life, and sexual behaviors.  Our online survey is completely anonymous and will take approximately 20 minutes of time to complete. Eligibility: Female participants 16 years of age or older. [Added January 8, 2019]

  • Online Writing Intervention for Sexual Distress in Women (University of Texas at Austin) - The Sexual Psychophysiology Lab at the University of Texas at Austin is recruiting women from across the U.S. who have had nonconsensual or abusive sexual experiences in their childhood or adolescence to participate in a study assessing a novel treatment aimed at reducing sexual distress. Study participation is done entirely online(aside from a phone screen for eligibility) and involves completing questionnaires three times and engaging in expressive writing sessions five times over the course of three weeks. Participants will be compensated $40 in Visa e-gift cards across the sessions. All data collected is completely confidential. Women (cis- and trans- inclusive) who are over the age of 18, able to read and write in English, residing in the U.S. may be eligible to participate. If you are interested in the study, please contact the Sexual Psychophysiology Lab for more information about the SEADS Study at (512) 232-4805, or mestonlab@utexas.edu. [Added October 28, 2018]

  • Extra-Pair Interests: The Design of a New Questionnaire (University of Sunderland) - We are seeking participants aged over the age of 18 to participate in this online research lasting 10-20 minutes. You must be in a relationship with at least one person to be eligible to take part. There is no hypothesis testing; the research is concerned with your perception and understanding of what constitutes extrapair interests, therefore you will be asked some sensitive questions. You do not have to respond though it is important that we ask you these questions. No personal or identifying information will be collected so none of your responses can be connected to you. The research has been approved by the University of Sunderland Research Ethics Group. [Added September 12, 2018]

  • Demographic factors in fidelity amongst couples (Regent's University London) – In this study, you will be asked to answer three surveys about your current relationship satisfaction, attitudes towards marriage, and fidelity. The data we collect do not contain any personal information about you. No one will link the data you provided to the identifying information you supplied (e.g., name, address, email). The participants should be in their current relationship for a minimum of 5 years. [Added September 4, 2018]


  • The Relationship Style Survey (James Cook University) – This is a quick online survey investigating individuals’ attitudes and behaviours in romantic relationships. People of all ages, backgrounds, sexual orientations, and relationship status are invited to participate. [Added August 19, 2018]


  • A Couples Study: Men Coping with Low Sexual Desire (Dalhousie University) - We are looking for men who experience problems with sexual desire, and their partners, to participate in research about couples’ romantic and sexual relationships. To be eligible to participate, both partners must agree and: be in a committed romantic relationship together for at least 6 months; see each other in-person at least 4 times a week; be 18 years or older; have previous sexual experience; reside in Canada or the United States; and be able to read and understand English. If eligible, then we will send both you and your partner a survey by email, which can be completed online and should take 60-75 minutes to complete. One year later, we will send you another shorter survey by email. [Added June 11, 2018]


  • Investigating Attitudes toward Sexual Orientation and Casual Sex (Kwantlen Polytechnic University) - Eligibility: Open to individuals of all gender and sexual identities over the age of 16 years. Description: The purpose of this study is to examine the relationship between sexual history and attitudes about sex in order to better our understanding of human sexuality. Participants will read about a sexual scenario involving a fictitious person and will then answer questions about what they have read. The online survey is anonymous and confidential and should take only 15 minutes to complete. [Added May 9, 2018]


  • Development and Validation of Sexual Quality of Life Questionnaire for Men-Who-Have-Sex-with-Men with Prostate Cancer (British Columbia Cancer Agency) – Eligibility: 1) are between the age of 18 and 75, 2) have previous sexual experience with men, and 3) have been previously treated for prostate cancer with surgery, external beam radiation, or brachytherapy, with/without hormone therapy. Description: The goal of this study is to develop a survey to assess sexual function after prostate cancer treatment specific for gay or bisexual men. Participation involves completion of a set of questions online with focus on sexual quality of life. There are also questions regarding general demographics and prostate cancer diagnosis. This study will take about 20-60 minutes. [Added April 15, 2018]


  • Willingness to Engage in Sexual Behavior (University of Arkansas) – Eligibility: You must be 18 or older to participate. Description: The purpose of this online study is to better understand how the process of willingness to engage in sexual behavior unfolds. Participation will take approximately 30 minutes. [Added March 31, 2018]


  • Daily Relationship Experience Study (York University) - We are looking for couples over the age of 18 who have have been in a relationship for 2+ years and currently live together and are sexually active. Participants must have daily access to a computer with internet to participate in a brief survey every day for 21 days regarding their relationship experiences. Participants are rewarded a $60CAD/$48USD Amazon gift card for completion. Email dresstudy@gmail.com for more information. [Added March 11, 2018]


  • Insider vs. Outsider's Views of Romantic Relationships (Acadia University and St. Francis Xavier University) - Restrictions: (1) At least 18 years or older and (2) currently in a romantic relationship. We are interested in learning more about how a person's own perception of their romantic relationship compares to their friends' and family members' perceptions. The objective of this research project is to attempt to understand how people give feedback to, and receive feedback from, their friends and family about different romantic relationships. To participate, you'll complete an hour long online survey about your perceptions of what others think about your romantic relationship and how you respond to those opinions. [Added January 22, 2018]