[Data](https://osf.io/6uqxg/) from 9627 18-60 year-olds who completed SRA and SOI questionnaires on the same day (the first completion for each individual). Each row represents one unique participant. ### Demographics `sra`: How attractive do you consider yourself? 1:much less attractive than average 2:less attractive than average 3:slightly less attractive than average 4:of average attractiveness 5:slightly more attractive than average 6:more attractive than average 7:much more attractive than average `sex`: Sex male: Male female: Female na: prefer not to answer `sexpref`: Preferred sex for relationships men: I prefer men women: I prefer women both: I prefer any (e.g., bisexual) neither: I prefer none (e.g., asexual) `age`: Age in years calculated from birthdate and date of questionnaire completion `lab`: what type of sample yes: participants with lab ID codes from in-lab studies no: all others (participated online) ### Sociosexual Orientation Inventory (SOI-R) Items are the 5-point response scale versions (Penke, L., & Asendorpf, J. B. (2008). Beyond global sociosexual orientations: A more differentiated look at sociosexuality and its effects on courtship and romantic relationships. Journal of Personality and Social Psychology, 95, 1113-1135). **NB**: *items that are meant to be reverse-scored (attitude3) are recorded with the reversed coding (i.e., the number on the left of the colon is the recorded number).* `behavior1`: With how many different partners have you had sex within the past 12 months? 1:0 2:1 3:2 to 3 4:4 to 7 5:8 or more `behavior2`: With how many different partners have you had sexual intercourse on one and only one occasion? 1:0 2:1 3:2 to 3 4:4 to 7 5:8 or more `behavior3`: With how many different partners have you had sexual intercourse without having an interest in a long-term committed relationship with this person? 1:0 2:1 3:2 to 3 4:4 to 7 5:8 or more `attitude1`: Sex without love is OK. 1:1 - totally disagree 2:2 3:3 4:4 5:5 - totally agree `attitude2`: I can imagine myself being comfortable and enjoying “casual” sex with different partners. 1:1 - totally disagree 2:2 3:3 4:4 5:5 - totally agree `attitude3`: I do not want to have sex with a person until I am sure that we will have a long-term, serious relationship. 1:5 - totally agree 2:4 3:3 4:2 5:1 - totally disagree `desire1`: How often do you have fantasies about having sex with someone you are not in a committed romantic relationship with? 1:never 2:very seldom 3:about once a month 4:about once a week 5:nearly every day `desire2`: How often do you experience sexual arousal when you are in contact with someone you are not in a committed romantic relationship with? 1:never 2:very seldom 3:about once a month 4:about once a week 5:nearly every day `desire3`: In everyday life, how often do you have spontaneous fantasies about having sex with someone you have just met? 1:never 2:very seldom 3:about once a month 4:about once a week 5:nearly every day