Dr Malachi Willis

Honorary Research Fellow (School of Health & Wellbeing)

Biography

Malachi is a Research Associate in the Relationships and Health as well as the Complexity in Health programmes of the MRC/CSO Social and Public Health Unit at the University of Glasgow, working on projects like the National Survey of Sexual Attitudes and Lifestyles and Health Behaviour in School-Aged Children. Outside of these studies, most of his research focuses on how people experience and communicate sexual consent.

Malachi was previously a Lecturer in Psychology at the University of Greenwich. He earned a PhD in Community Health Promotion and MSc in Statistics and Analytics from the University of Arkansas, an MA in Experimental Psychology from the University of North Carolina at Greensboro, and an MA in Forensic Psychology from Marymount University.

ResearchGate

Publications

List by: Type | Date

Jump to: 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017

Number of items: 43.

2025

Hamilton, C. et al. (2025) Evaluating a whole-school approach to addressing gender-based violence in Scottish secondary schools (Equally Safe at School): a study protocol for a type I hybrid effectiveness-implementation trial. BMJ Open, 15(2), e096596. (doi: 10.1136/bmjopen-2024-096596) (PMID:39956602)

2024

Blake, Carolyn ORCID: https://orcid.org/0000-0002-7231-4290, Lewis, Ruth ORCID: https://orcid.org/0000-0002-6768-6188, Riddell, Julie ORCID: https://orcid.org/0000-0002-8084-4566, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Wylie, Laura, Dawson, Kathryn, Moore, Laurence ORCID: https://orcid.org/0000-0003-2182-823X and Mitchell, Kirstin R. ORCID: https://orcid.org/0000-0002-4409-6601 (2024) Prevention of, and response to, sexual harassment at secondary school: a system map. Social Science and Medicine, 358, 117092. (doi: 10.1016/j.socscimed.2024.117092) (PMID:39216136)

Blake, Carolyn ORCID: https://orcid.org/0000-0002-7231-4290, Lewis, Ruth ORCID: https://orcid.org/0000-0002-6768-6188, Riddell, Julie ORCID: https://orcid.org/0000-0002-8084-4566, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Wylie, Laura, Dawson, Kathryn, Moore, Laurence ORCID: https://orcid.org/0000-0003-2182-823X and Mitchell, Kirstin R. ORCID: https://orcid.org/0000-0002-4409-6601 (2024) Briefing: Prevention of, and response to, sexual harassment at secondary school: a system map. Documentation. University of Glasgow.

Alexopoulos, Cassandra, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Park, SunYoung (2024) Sexism, risk perception, and beliefs about sexual consent. Psychology and Sexuality, (doi: 10.1080/19419899.2024.2342438) (Early Online Publication)

Menezes, Dee, Sonnenberg, Pam, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Mercer, Catherine H., Mitchell, Kirstin ORCID: https://orcid.org/0000-0002-4409-6601 and Field, Nigel (2024) Compliance with COVID-19 rules on intimate physical contact between households. Sexually Transmitted Infections, 100, p. 54. (doi: 10.1136/sextrans-2023-055948) (PMID:38071580)

Dema, E. et al. (2024) Methodology of Natsal-COVID Wave 2: a large, quasi-representative, longitudinal survey measuring the impact of COVID-19 on sexual and reproductive health in Britain. Wellcome Open Research, 7, 166. (doi: 10.12688/wellcomeopenres.17850.2) (PMID:37794900) (PMCID:PMC10545983)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Mabelis, Judith ORCID: https://orcid.org/0000-0002-1596-7770, Currie, Dorothy, Brown, Judith ORCID: https://orcid.org/0000-0003-4092-9685 and Inchley, Joanna ORCID: https://orcid.org/0000-0001-8322-8817 (2024) Associations between recent contraceptive use and first sex behaviors of Scottish adolescents: a brief report. International Journal of Sexual Health, 36(2), pp. 199-204. (doi: 10.1080/19317611.2024.2327360) (PMID:38616792) (PMCID:PMC11008538)

2023

Willis, M. et al. (2023) Prevalence and correlates of fearing a partner during the COVID-19 pandemic in Britain: findings from Natsal-COVID. Journal of Family Violence, (doi: 10.1007/s10896-023-00665-w) (Early Online Publication)

Baxter, A. J. et al. (2023) Contraceptive use and pregnancy planning in Britain during the first year of the COVID-19 pandemic: Findings from a large, quasi-representative survey (Natsal-COVID). BMJ Sexual and Reproductive Health, 49, pp. 260-273. (doi: 10.1136/bmjsrh-2022-201763) (PMID:36958823) (PMCID:PMC10579517)

Mitchell, K. R. et al. (2023) Sexual and reproductive health in Britain during the first year of the COVID-19 pandemic: cross-sectional population survey (Natsal-COVID-Wave 2) and national surveillance data. Sexually Transmitted Infections, 99(6), pp. 386-397. (doi: 10.1136/sextrans-2022-055680) (PMID:36973042) (PMCID:PMC10447381)

Goodfellow, Claire ORCID: https://orcid.org/0000-0001-5990-8150, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Inchley, Joanna ORCID: https://orcid.org/0000-0001-8322-8817, Kharicha, Kalpa, Leyland, Alastair H. ORCID: https://orcid.org/0000-0003-3741-7099, Qualter, Pamela, Simpson, Sharon ORCID: https://orcid.org/0000-0002-6219-1768 and Long, Emily ORCID: https://orcid.org/0000-0003-1512-4471 (2023) Mental health and loneliness in Scottish schools: a multilevel analysis of data from the Health Behaviour in School-aged Children study. British Journal of Educational Psychology, 93(2), pp. 608-625. (doi: 10.1111/bjep.12581) (PMID:36683467)

Inchley, Joanna ORCID: https://orcid.org/0000-0001-8322-8817, Mabelis, Judith ORCID: https://orcid.org/0000-0002-1596-7770, Brown, Judith ORCID: https://orcid.org/0000-0003-4092-9685, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Currie, Dorothy (2023) Health Behaviour in School-aged Children (HBSC) 2022 Survey in Scotland: National Report. Documentation. MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow.

Dema, E. et al. (2023) How did the COVID-19 pandemic affect access to condoms, chlamydia and HIV testing, and cervical cancer screening at a population level in Britain? (Natsal-COVID). Sexually Transmitted Infections, 99(4), pp. 261-267. (doi: 10.1136/sextrans-2022-055516) (PMID:35981863) (PMCID:PMC10313967)

Inchley, Joanna C. ORCID: https://orcid.org/0000-0001-8322-8817, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Mabelis, Judith ORCID: https://orcid.org/0000-0002-1596-7770, Brown, Judith ORCID: https://orcid.org/0000-0003-4092-9685 and Currie, Dorothy B. (2023) Inequalities in health complaints: 20-year trends among adolescents in Scotland, 1998–2018. Frontiers in Psychology, 14, 1095117. (doi: 10.3389/fpsyg.2023.1095117) (PMID:37020907) (PMCID:PMC10067662)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Marcantonio, Tiffany L. (2023) Sexual consent norms in a cross-sectional national sample of the United Kingdom. Journal of Public Health, 45(1), pp. 84-90. (doi: 10.1093/pubmed/fdab361) (PMID:34657961) (PMCID:PMC10017077)

Marcantonio, Tiffany L. and Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 (2023) Examining substance-involved sexual experiences and consent communication by sexual identity. Psychology and Sexuality, 14(1), pp. 279-293. (doi: 10.1080/19419899.2022.2106884)

2022

Marcantonio, Tiffany L., Weese, James and Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 (2022) Rates of forced sexual experiences among high school students from 2001 to 2019. Journal of Interpersonal Violence, 39(21-22), NP21045-NP21069. (doi: 10.1177/08862605211055155) (PMID:34989630)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Smith, Rebecca (2022) Sexual consent across diverse behaviors and contexts: gender differences and nonconsensual sexual experiences. Journal of Interpersonal Violence, 37(19-20), NP18908-NP18934. (doi: 10.1177/08862605211044101) (PMID:34625009) (PMCID:PMC9554284)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Bridges, Ana J. and Sun, Chyng (2022) Pornography use, gender, and sexual objectification: a multinational study. Sexuality and Culture, 26(4), pp. 1298-1313. (doi: 10.1007/s12119-022-09943-z)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Jozkowski, Kristen N. and Marcantonio, Tiffany L. (2022) Testing the internal consent scale for measurement invariance across women and men. Sex Roles, 86(11-12), pp. 711-721. (doi: 10.1007/s11199-022-01287-0)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 (Ed.) (2022) Nuances of Sexual Consent. Routledge: London ; New York. ISBN 9781032231860

Marcantonio, Tiffany L., Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kirsten N. (2022) Effects of typical and binge drinking on sexual consent perceptions and communication. Journal of Sex and Marital Therapy, 48(3), pp. 273-284. (doi: 10.1080/0092623X.2021.1986445) (PMID:34615443)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2022) Momentary versus retrospective sexual consent perceptions. Archives of Sexual Behavior, 51(2), pp. 811-819. (doi: 10.1007/s10508-021-02182-7) (PMID:34853977) (PMCID:PMC8888468)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2022) Sexual consent perceptions of a fictional vignette: a latent growth curve model. Archives of Sexual Behavior, 51(2), pp. 797-809. (doi: 10.1007/s10508-021-02048-y) (PMID:34761343) (PMCID:PMC8888400)

Riddell, J. et al. (2022) Sexual and Reproductive Health in Scotland During the First Year of the COVID Pandemic (March 2020-March 2021). Natsal-COVID study Scotland report. Documentation. Natsal Resource.

Bosó Pérez, Raquel ORCID: https://orcid.org/0000-0001-7342-4566, Lewis, Ruth ORCID: https://orcid.org/0000-0002-6768-6188, Littlejohn, Jennifer, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Mitchell, Kirstin R. ORCID: https://orcid.org/0000-0002-4409-6601 (2022) Young people’s sexual wellbeing: a qualitative evidence synthesis protocol. International Journal of Qualitative Methods, 21, p. 16094069221123674. (doi: 10.1177/16094069221123674)

2021

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Bridges, Ana J. and Jozkowski, Kristen N. (2021) Gender and racial/ethnic disparities in rates of publishing and inclusion in scientific-review processes. Translational Issues in Psychological Science, 7(4), pp. 451-461. (doi: 10.1037/tps0000253)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Jozkowski, Kristen N., Bridges, Ana J., Veilleux, Jennifer C. and Davis, Robert E. (2021) Assessing the within-person variability of internal and external sexual consent. Journal of Sex Research, 58(9), pp. 1173-1183. (doi: 10.1080/00224499.2021.1913567) (PMID:33929282)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Jozkowski, Kristen N., Bridges, Ana J., Davis, Robert E. and Veilleux, Jennifer C. (2021) Developing valid and feasible measures of sexual consent for experience sampling methodology. Journal of Sex Research, 58(8), pp. 996-1007. (doi: 10.1080/00224499.2021.1907526) (PMID:33891521)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Murray, Kelli N. and Jozkowski, Kristen N. (2021) Sexual consent in committed relationships: a dyadic study. Journal of Sex and Marital Therapy, 47(7), pp. 669-686. (doi: 10.1080/0092623X.2021.1937417) (PMID:34279182)

Jozkowski, Kristen N., Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Hurd, Lauren E., Ham, Lindsay S., Bridges, Ana J. and Wiersma-Mosley, Jacquelyn D. (2021) The interaction of rape myth acceptance and alcohol intoxication on bystander intervention. Journal of Interpersonal Violence, 36(17-18), NP10066-NP10076. (doi: 10.1177/0886260519863720) (PMID:31315505)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Marcantonio, Tiffany L. and Jozkowski, Kristen N. (2021) Momentary versus retrospective reports of alcohol or cannabis use, sexual activity, and their co-occurrence. Addictive Behaviors, 119, 106932. (doi: 10.1016/j.addbeh.2021.106932) (PMID:33892310)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Marcantonio, Tiffany L. and Jozkowski, Kristen N. (2021) Internal and external sexual consent during events that involved alcohol, cannabis, or both. Sexual Health, 18(3), pp. 260-268. (doi: 10.1071/SH21015) (PMID:34134817)

2020

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Jozkowski, Kristen N., Canan, Sasha N., Rhoads, Kelley E. and Hunt, Mary E. (2020) Models of sexual consent communication by film rating: a content analysis. Sexuality and Culture, 24(6), pp. 1971-1986. (doi: 10.1007/s12119-020-09731-7)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 (2020) Introduction to the special issue on sexual consent. Psychology and Sexuality, 11(4), pp. 266-269. (doi: 10.1080/19419899.2020.1765412)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2020) Linguistic sexism in peer-reviewed research influences recall but not perceptions. Journal of Sex Research, 57(3), pp. 273-277. (doi: 10.1080/00224499.2019.1568378) (PMID:30724634)

2019

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Blunt-Vinti, Heather D. and Jozkowski, Kristen N. (2019) Associations between internal and external sexual consent in a diverse national sample of women. Personality and Individual Differences, 149, pp. 37-45. (doi: 10.1016/j.paid.2019.05.029)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2019) Sexual precedent’s effect on sexual consent communication. Archives of Sexual Behavior, 48(6), pp. 1723-1734. (doi: 10.1007/s10508-018-1348-7) (PMID:31016491)

2018

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2018) Using smartphones to collect daily sexual behavior data from college students. Journal of American College Health, 66(7), pp. 529-532. (doi: 10.1080/07448481.2018.1440577) (PMID:29447620)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Jozkowski, Kristen N., Lo, Wen-Juo and Sanders, Stephanie A. (2018) Are women’s orgasms hindered by phallocentric imperatives? Archives of Sexual Behavior, 47(6), pp. 1565-1576. (doi: 10.1007/s10508-018-1149-z) (PMID:29464449)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Jozkowski, Kristen N. (2018) Ladies first? Not so fast: linguistic sexism in peer-reviewed research. Journal of Sex Research, 55(2), pp. 137-145. (doi: 10.1080/00224499.2017.1346058) (PMID:28753394)

2017

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Birthrong, Alex, King, Jake S., Nelson-Gray, Rosemery O. and Latzman, Robert D. (2017) Are infidelity tolerance and rape myth acceptance related constructs? An association moderated by psychopathy and narcissism. Personality and Individual Differences, 117, pp. 230-235. (doi: 10.1016/j.paid.2017.06.015)

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 and Nelson-Gray, Rosemery O. (2017) Borderline personality disorder traits and sexual compliance: a fear of abandonment manipulation. Personality and Individual Differences, 117, pp. 216-220. (doi: 10.1016/j.paid.2017.06.012)

This list was generated on Mon Jun 16 00:38:55 2025 BST.

Jump to: Articles | Edited Books | Research Reports or Papers

Number of items: 43.

Articles

Edited Books

Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990 (Ed.) (2022) Nuances of Sexual Consent. Routledge: London ; New York. ISBN 9781032231860

Research Reports or Papers

Blake, Carolyn ORCID: https://orcid.org/0000-0002-7231-4290, Lewis, Ruth ORCID: https://orcid.org/0000-0002-6768-6188, Riddell, Julie ORCID: https://orcid.org/0000-0002-8084-4566, Willis, Malachi ORCID: https://orcid.org/0000-0002-3173-3990, Wylie, Laura, Dawson, Kathryn, Moore, Laurence ORCID: https://orcid.org/0000-0003-2182-823X and Mitchell, Kirstin R. ORCID: https://orcid.org/0000-0002-4409-6601 (2024) Briefing: Prevention of, and response to, sexual harassment at secondary school: a system map. Documentation. University of Glasgow.

This list was generated on Mon Jun 16 00:38:55 2025 BST.

Supervision

Littlejohn, Jennifer
.

Professional activities & recognition

Prizes, awards & distinctions

2020: Excellence in Research (Graduate Professional Student Congress)
2018: Rising Scholar (Society for the Scientific Study of Sexuality)

Research fellowships

2016 - 2020: Doctoral Academy Fellowship at the University of Arkansas

Editorial boards

2019 - 2021: Journal of Sex Research
2020 - 2021: Archives of Sexual Behavior
2020 - 2021: Psychology & Sexuality

Professional & learned societies

2019: Scientific Planning Committee, International Academy of Sex Research
2018: Scientific Review Committee, Society for the Scientific Study of Sexuality
2018: Science Writer, Society for Personality and Social Psychology

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