To support our work in understanding changes in sexual orientation identity and attractions, please visit this page.
Primary Faculty
Allegra Gordon
Kim Nelson
Lynsie Ranker
Ziming Xuan
Staff & Trainees
Jenn Conti
Eli Godwin
Sam Haiken
R. Korkodilos
Iris Olson
Naveen Pednekar
Sid Seenivasa
Kieran Todd
The SO*FLY Study was previously funded by an R21 grant from NIH, awarded to Dr. Katz-Wise.
This grant has ended, but we are continuing to work on this project. Please visit this page if you are interested in supporting this continued work.
We have finished data collection and are continuing to analyze data and write manuscripts.
If you are interested in collaborating on a project using data from the SO*FLY Study, please visit this page.
Our team is committed to sharing findings from our research with community members through brief non-academic summaries of the academic papers we've published.
We have published several academic journal articles using data from the SO*FLY Study. If you would like to read any of the papers listed below and do not have access, please contact us with the paper title and we can send you the PDF.
We have additional articles in progress so please check back.
(From Newest to Oldest)
Ranker LR, Katz-Wise SL, Gordon AR, Korkodilos R, Xuan Z, Nelson KM. Sexual orientation identity and attraction changes among youth: prospective versus retrospective measurement. Annals of Epidemiology. 2025;112:8-14. https://doi.org/10.1016/j.annepidem.2025.10.006
Ranker LR, Korkodilos R, Conti J, et al. One-in-ten adolescents and young adults report changes in their sexual orientation identity over 2-month follow-up: Results from a longitudinal cohort study. Psychol Sex Orientat Gend Divers. Published online January 2, 2025. https://doi.org/10.1037/sgd0000782
Katz-Wise SL, Ranker LR, Korkodilos R, Conti J, Nelson KM, Xuan Z, Gordon AR. Will all youth answer sexual orientation and gender-related survey questions? An analysis of missingness in a large US survey of adolescents and young adults. Psychological Methods. 2024. Advance online publication. https://doi.org/10.1037/met0000652
Katz-Wise SL, Ranker LR, Gordon AR, Xuan Z, Nelson KM. Sociodemographic patterns in sexual orientation identity and attraction change in the Sexual Orientation Fluidity in Youth (SO*FLY) Study. Journal of Adolescent Health; 72: 437-443. 2023. https://doi.org/10.1016/j.jadohealth.2022.10.015
Katz-Wise SL, Todd KP. The current state of sexual fluidity research. Current Opinion in Psychology. 2022; 48: 101497. https://doi.org/10.1016/j.copsyc.2022.101497