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! 

  • Sexual Decision Making Survey – (University of Kansas) We are seeking volunteers to fill out an anonymous online survey. The topic is how individuals make decisions about having or not having sex. Completing the survey usually takes about 15-20 minutes, although participants can spend as much or as little time as they want. Participants must be at least 18. This study is being conducted as graduate student research at the University of Kansas and has been approved by the university’s institutional review board (IRB). [Added November 5, 2019] 

  • Early Experiences Over Time Study (York University) - Are you interested in participating in a multi-part study about your romantic relationship? We are seeking BOTH members of romantic couples to fill out surveys (approximately 1 hour in length) about their relationship every 3 months for 1.5 years. The purpose of this research is to examine the factors that influence people’s feelings of desire and relationship satisfaction in the early years of their relationship. To participate, you must be 18+ years old, in a relationship with your partner for between 6 months and 1 year, sexually active in your current relationship, residing in Canada or the United States, able to read and understand English, and have daily access to a computer with internet. Each partner will be compensated up to $105 CAD/$84 USD ($210 CAD/$168 USD per couple) in Amazon, Best Buy, or Starbucks gift cards for the full completion of the study. Each person is paid $15 CAD/$12 USD per survey ($30 CAD/$24 USD per couple). This study aims to be inclusive to individuals of all gender identities, bodies, and orientations. [Added October 29, 2019] 

  • Monogamy Maintenance Strategies Across Heterosexual and Homosexual Romantic Relationships (Regent’s University London) - You are invited to take part in a study on monogamy maintenance strategies across heterosexual and homosexual romantic relationships. Monogamy Maintenance refers to strategies being used to maintain a monogamous relationship in the face of opportunities for extra-dyadic involvement. Three main forms of monogamy maintenance are proactive avoidance (actively avoiding the source of temptation), relationship enhancement (actively engaging in the current relationship) and self-monitoring/derogation (reminding self of the negatives of infidelity). Eligibility: You need to be at least 18 years of age, hetero- or homosexual, and be in a non-open relationship for a minimum of 5 years to participate in this study. Your participation in this project will take approximately 10 to 15 minutes. [Added October 28, 2019] 

  • Heterosexual Men’s Desired Reactions to their Genitals in Consensual Sexual Contexts (Kwantlen Polytechnic University) - The purpose of this study is to examine how straight men would like women to respond to their genitals in the context of consensual sexual interactions. Participation will require answering some questions about yourself (e.g., demographic questions such as your age, ethnicity, and relationship status) and about your personality, sexuality beliefs, sexual history, and preferences. This study will take approximately 20 minutes of your time. Eligibility: Self-identified straight men--with a penis--aged 16 years and older. [Added October 16, 2019] 

  • Initiating Sex in New and Long-Term Relationships (University of Kansas) - Seeking individuals, age 18 or over, who are in partnered relationships.  Individuals of any gender and sexual orientation are welcome to participate.  The purpose of this study is to understand how people initiate sex—or try to initiate sex—in ongoing relationships.  Participants will be asked to complete an anonymous survey. [Added October 14, 2019] 

  • Women’s Responses and Reactions to Receiving Unsolicited Genital Images (Kwantlen Polytechnic University) - The purpose of this study is to examine the reactions and responses of women who have received unsolicited pictures of men's genitals (i.e., dick pics). If you have never received a dick pic, you CAN STILL participate in this study.  Participation will require answering some questions about yourself (e.g., demographic questions such as your age, ethnicity, and relationship status), your experiences receiving unsolicited genital images, your personality, and your sexuality beliefs. This study will take approximately 20 minutes of your time. Eligibility - Self-identified women of any sexual orientation aged 16 years and older. [Added October 10, 2019]

  • The Sexual Deception Study (Kwantlen Polytechnic University) - This study examines the use of deception in sexual contexts. It involves a series of questionnaires that will ask you for general information about yourself including, but not limited to age, relationship status, and ethnicity, as well as questions about your sexuality, previous sexual experiences, and sexual attitudes. Specifically, you will be asked to answer a number of questions about how truthful you have been in previous sexual interactions. Your answers will be completely confidential, and in no way linked to any personal information. The entire survey should take no more than 20 minutes of your time. Eligibility: Open to participants of all gender and sexual identities – at least 16 years of age – who have had at least one previous sexual experience. [Added September 22, 2019]

  • Polyamory and Identity (Texas Tech University) - The purpose of this study is to examine the relationship between polyamory and identity. Participants will be asked to read a short passage and respond to items about their opinions and identity. This study will take approximately 30-45 minutes to complete. Participants will be entered into a drawing for one of fifteen $30 Amazon gift cards. Eligibility: Self-identify as polyamorous, 18 years or older, currently living in the United States, can read English fluently. [Added September 20, 2019]

  • Sexual Experiences, Mental Health, and Experiences of Discrimination in Stigmatized Sexual Interest Groups (King’s College London) - The goal of this study is to examine experiences of discrimination, mental health correlates, sexual behaviour, and sexual identity in individuals who have sexual interests in one or more of the following: BDSM, pet play, fursuiting/furries/yiff, age regression, AB/DL, and balloons/inflatables. Participants will be asked to respond to questions about sexual interests, mental health, gender, and experiences of discrimination. This study will take around 30 minutes to complete and includes a prize draw of two £50 Amazon gift vouchers. Eligibility: Anyone over 18 who identifies as having one or more of the sexual interests being explored (BDSM, pet play, fursuiting/furries/yiff, age regression, AB/DL, and balloons/inflatables) AND who currently resides in the United Kingdom. [Added September 12, 2019]

  • Parental Ideology in Gender Reveal Parties (Kwantlen Polytechnic University) - The purpose of this study is to examine gender reveal parties and social media use. Participating in this study requires answering some questions about yourself (i.e., your age, sexual orientation, and relationship status), about your own personality, and about your social media use. This study will take approximately 30 minutes of your time. Eligibility: Men and women who are NEW parents (at least one child at/under the age of six) or parents-to-be (currently expecting). Participants must be at least 16 years of age to participate in this study. [Added September 6, 2019]

  • Predictors of Relationship Satisfaction in Kinky Individuals Who Incorporate Power Exchange (Wright State University) - The purpose of this study is to gain a better understanding of the unique factors that contribute to relationship satisfaction among kinky individuals who incorporate power exchange in their kink relationship(s). Participants must be a self-identified kinky individual who is currently or has within the past 12 months been in one or more intimate kink-oriented relationships that involve power exchange. Participants must be 18 years of age, a United State's citizen, and fluent in English. Participants are required to complete an anonymous online survey that takes approximately 25-30 minutes. [Added August 9, 2019]

  • The Relationship between Abstinence-Based Sex Education and Sociosexuality (Xavier University of Louisiana) - Participant Criteria: Participants must be between the ages of 18-26 and in a noncommitted relationship (i.e., single/dating).Procedure: Participants will be asked to complete a demographic questionnaire, The Sociosexual Orientation Inventory, and a personalized questionnaire (compilation of the Sexual Restrictedness Survey and the Sexual Knowledge and Attitude Test for Adolescents). After survey completion, participants have the option of participating in a 15-minute semi-structured qualitative interview assessing home life, community and cultural influences, school, sexual experiences, and personal beliefs. [Added May 20, 2019]

  • Queer and Kinky in Counseling (Indiana University–Purdue University Indianapolis) - The purpose of this study is to examine the experience and outcomes of disclosing a kinky sexuality to mental health professionals. Participants in this study will schedule and complete an interview with the researcher about their experiences: therapists' reactions, their feelings during and afterward, and so on. Interviews should last no more than 90 minutes and can be conducted by phone or Skype. No identifying information will be collected, but the interview topic may be sensitive. This study is open to English-speaking adults who: (1) are not heterosexual (aces welcome) and/or not cisgender; (2) have some form of kinky sexual interests (for example, BDSM); and (3) have discussed those interests in a therapy setting. If you are interested in participating or have any questions about the study, please contact millkelu@iupui.edu for information. [Added April 9, 2019]

  • Sexual Experiences of Gay and Bisexual Men (University of Kansas) – The goal of this research is to understand the unwanted sexual experiences of gay and bisexual men. Participation in this study will require answering some multiple choice and open-ended questions about details surrounding your sexual experiences as well as answering some demographic questions about yourself. You do not have to have had an unwanted sexual experience to participate. This study will take approximately 15-20 minutes to complete. Eligibility: Participants must identify as gay and bisexual adult men (age 18+). [Added April 8, 2019]

  • 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]

  • 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]

  • 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]


  • 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]


  • 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]