All Stories

  1. Examining the Prevalence and Experiences of Conversion Practices of Sexually and Gender Diverse People in Portugal

    Article • April 2026, Center for Open Science

    Dr Pedro A Costa

  2. Reconstructing Identity after Conversion Practices: An Interpretative Phenomenological Analysis with Gay Men

    Article • April 2026, Center for Open Science

    Dr Pedro A Costa

  3. Trans* People Experiencing Domestic and Intimate Partner Violence: Insights from Professionals Within Portugal’s National Support Network

    Article • February 2026, MDPI AG

    Dr Pedro A Costa

  4. Sexual function and pleasure among Portuguese older adults: an approach based on sexual orientation and gender

    Article • The Journal of Sexual Medicine, January 2026, Oxford University Press (OUP)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  5. ‘Ménage À Moi’: An Analysis of Factors Associated with Masturbation Among Women

    Article • International Journal of Sexual Health, September 2025, Taylor & Francis

    Dr Pedro A Costa

  6. Experiences of Stealth Breeding and Associated Factors to HIV Post-Exposure Prophylaxis Seek Among Gay Men in Brazil

    Article • International Journal of Sexual Health, September 2025, Taylor & Francis

    Dr Pedro A Costa

  7. Kinship and Belonging in “Open Adoption”: How Do Children Make Sense of Their Family Connections Through Visual Representations?

    Article • Adoption Quarterly, July 2025, Taylor & Francis

    Dr Pedro A Costa

  8. A Cross-Cultural Study of Social Support from Family, Friends, and Significant Others and Mental Health Among Italian, Spanish, and Portuguese Gay and Lesbian Young Adults

    Article • International Journal of Environmental Research and Public Health, June 2025, MDPI AG

    Gaetana Affuso, Dr Pedro A Costa

  9. The Experiences of Intimacy, Commitment and Passion Throughout Life: A Qualitative Study of Older Gay and Bisexual Men

    Article • Sexuality & Culture, May 2025, Springer Science + Business Media

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  10. Invisible Victims: Addressing the Sexual and Health Consequences of Stealth Breeding for Brazilian Gay Men

    Article • Journal of Homosexuality, March 2025, Taylor & Francis

    Dr Pedro A Costa

  11. Experiences of Stealth Breeding and Associated Factors to HIV Post-Exposure Prophylaxis Seek Among Gay Men in Brazil

    Article • March 2025, Center for Open Science

    Dr Pedro A Costa

  12. Associations between sexual health and well-being: a systematic review

    Article • Bulletin of the World Health Organization, December 2024, WHO Press

    Mariana Carrito, Dr Pedro A Costa

  13. The Walsh Family Resilience Questionnaire: Validity evidence from Portugal

    Article • Family Relations, September 2024, Wiley

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  14. Sexual Stigma and Mental Health of LGB Older Adults: A Systematic Scoping Review

    Article • Sexuality Research and Social Policy, April 2024, Springer Science + Business Media

    Dr Pedro A Costa

  15. Comfort with LGB people and attitudes toward same-sex parenting in Continental American Hispanic Nations

    Article • Scientific Reports, April 2024, Springer Science + Business Media

    Dr Pedro A Costa

  16. How we survived: older adults’ adjustment to the lockdowns due to the COVID-19 pandemic

    Article • Current Psychology, April 2024, Springer Science + Business Media

    Dr Pedro A Costa

  17. “I feel like I’m living the authenticity of my being”: gender identity developmental trajectories of trans youth in Portugal

    Article • International Journal of Transgender Health, January 2024, Taylor & Francis

    Dr Pedro A Costa

  18. ADULTS’ PERCEPTIONS OF GOVERNMENTAL MANAGEMENT OF THE COVID-19 PANDEMIC: A QUALITATIVE STUDY

    Article • Psicologia Saúde & Doença, January 2024, Sociedad Portuguesa de Psicologia da Saude

    Professor Jose Luis Pais-Ribeiro, Dr Pedro A Costa

  19. A Life Course Approach on Older Portuguese Gay and Bisexual People: The Multifactorial Development of Sexual Identity

    Article • Social Sciences, November 2023, MDPI AG

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  20. Minority stress and mental health in gay and lesbian youth: a cross-cultural comparison

    Article • American Journal of Orthopsychiatry, October 2023, American Psychological Association (APA)

    Nicola Picone, Gaetana Affuso, Dr Pedro A Costa, Marta Aparicio

  21. Double Stigma in Portuguese Lesbian, Gay, and Bisexual Older Adults: A Study of Health Status

    Article • Journal of Sex & Marital Therapy, May 2023, Taylor & Francis

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  22. Construct-related validity of the strengths and difficulties questionnaires with three and five dimensions: A multitrait-multimethod analysis

    Article • Clinical Child Psychology and Psychiatry, April 2023, SAGE Publications

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  23. Loneliness, ageism, and mental health: The buffering role of resilience in seniors

    Article • International Journal of Clinical and Health Psychology, January 2023, Elsevier

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  24. Are the children alright? A systematic review of psychological adjustment of children conceived by assisted reproductive technologies

    Article • European Child & Adolescent Psychiatry, December 2022, Springer Science + Business Media

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  25. Parental secure base support and child secure base use in mexican same-sex families

    Article • Interpersona An International Journal on Personal Relationships, December 2022, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa

  26. DEVELOPMENT AND VALIDATION OF THE APPEARANCE BELIEFS SCALE IN MIDDLE-AGE

    Article • Psicologia Saúde & Doença, November 2022, Sociedad Portuguesa de Psicologia da Saude

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  27. “This is not What God Intended”: Attitudes Toward Adoption by Same-sex Couples in Ecuador

    Article • Sexuality Research and Social Policy, June 2022, Springer Science + Business Media

    Dr Pedro A Costa

  28. Assessing Implicit and Explicit Sexual Double Standards Among Young Portuguese Adults

    Article • Sexuality & Culture, June 2022, Springer Science + Business Media

    Dr Pedro A Costa

  29. Coming out Experiences and Disclosure gap in Three Age Cohorts of Portuguese Cisgender Sexual Minority Men

    Article • Sexuality Research and Social Policy, May 2022, Springer Science + Business Media

    Dr Pedro A Costa

  30. ANDROPAUSE REPRESENTATIONS: A MIXED-METHODS STUDY WITH PORTUGUESE WOMEN

    Article • Psicologia Saúde & Doença, March 2022, Sociedad Portuguesa de Psicologia da Saude

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  31. PSYCHOMETRIC PROPERTIES OF THE PARENTING DAILY HASSLES IN A SAMPLE OF PORTUGUESE PARENTS

    Article • Psicologia Saúde & Doença, November 2021, Sociedad Portuguesa de Psicologia da Saude

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  32. PSYCHOTHERAPY EXPERIENCES OF HETEROSEXUAL CISGENDER AND LGBT+ PEOPLE: PRELIMINARY FINDINGS

    Article • Psicologia Saúde & Doença, November 2021, Sociedad Portuguesa de Psicologia da Saude

    Dr Pedro A Costa

  33. Intentional Kinship through Caring Relationships, Heritage, and Identity: Adoptive Parents’ Inclusion of Non-Biological and Non-Affinal Relationships on Family Maps

    Article • Genealogy, September 2021, MDPI AG

    Dr Pedro A Costa

  34. ‘The War Made Me a Better Person’: Syrian Refugees’ Meaning-Making Trajectories in the Aftermath of Collective Trauma

    Article • International Journal of Environmental Research and Public Health, August 2021, MDPI AG

    Dr Pedro A Costa

  35. Attitudes Toward Lesbians, Gay Men, and Their Rights in a Sample of Ecuadorian Cisgender Men and Women

    Article • Journal of Homosexuality, July 2021, Taylor & Francis

    Dr Pedro A Costa

  36. Predictors of Attitudes toward Lesbian and Gay Parenting in an Ecuadorian Sample

    Article • Journal of GLBT Family Studies, June 2021, Taylor & Francis

    Dr Pedro A Costa

  37. Attitudes Toward LGBTQ+ People and LGBTQ+ Rights in Continental American-Hispanic Nations

    Article • January 2021, Springer Science + Business Media

    Dr Pedro A Costa

  38. Adaptação das versões completa e breve da Escala de Relação Coparental (ERC) em uma amostra comunitária de pais e mães portugueses

    Article • Psicologia, August 2020, Associacao Portuguesa de Psicologia

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  39. Pathways to Fatherhood: Psychological Well-Being Among Israeli Gay Fathers Through Surrogacy, Gay Fathers Through Previous Heterosexual Relationships, and Heterosexual Fathers

    Article • Frontiers in Psychology, January 2020, Frontiers

    Dr Pedro A Costa

  40. LGBTQ-Parent Families in Non-Western Contexts

    Article • January 2020, Springer Science + Business Media

    Dr Pedro A Costa

  41. Psychometric properties of the parent’s versions of the SDQ and the PANAS-X in a community sample of Portuguese parents

    Article • Clinical Child Psychology and Psychiatry, December 2019, SAGE Publications

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  42. Parenting Aspiration among Diverse Sexual Orientations and Gender Identities in Mexico, and Its Association with Internalized Homo/Transnegativity and Connectedness to the LGBTQ Community

    Article • Journal of Family Issues, October 2019, SAGE Publications

    Dr Pedro A Costa

  43. Psychological Distress in Older Portuguese Gay and Bisexual Men: The Mediating Role of LGBT Community Connectedness

    Article • International Journal of Sexual Health, September 2019, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  44. Self-regulation model applied to menopause: a mixed-methods study

    Article • Climacteric, July 2019, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  45. Self-regulation model applied to menopause: a mixed-methods study

    Article • Maturitas, June 2019, Elsevier

    Dr Pedro A Costa

  46. Reactions from family of origin to the disclosure of lesbian motherhood via donor insemination

    Article • Journal of Lesbian Studies, May 2019, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  47. FROM REHABILITATION TO RECOVERY: A SELF-HELP EXPERIENCE TO REGAIN QUALITY OF LIFE AFTER VIOLENCE

    Article • Journal of Special Education and Rehabilitation, April 2019, Journal of Special Education and Rehabilitation

    Dr Pedro A Costa

  48. Minority Stress in Older Portuguese Gay and Bisexual Men and Its Impact on Sexual and Relationship Satisfaction

    Article • Sexuality Research and Social Policy, March 2019, Springer Science + Business Media

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  49. Late-onset hypogonadism (LOH), masculinity and relationship and sexual satisfaction: are sexual symptoms of LOH mediators of traditional masculinity on relationship and sexual satisfaction?

    Article • Sexual Health, January 2019, CSIRO Publishing

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  50. An Item-Level Analysis of the Posttraumatic Stress Disorder Checklist and the Posttraumatic Growth Inventory and Its Associations With Challenge to Core Beliefs and Rumination

    Article • Frontiers in Psychology, December 2018, Frontiers

    Professor Isabel Pereira Leal, Dr Pedro A Costa

  51. Can Children Have Ordinary Expectable Caregiving Environments in Unconventional Contexts? Quality of Care Organization in Three Mexican Same-Sex Planned Families

    Article • Frontiers in Psychology, November 2018, Frontiers

    Dr Pedro A Costa

  52. “We Wanted a Forever Family”: Altruistic, Individualistic, and Motivated Reasoning Motivations for Adoption Among LGBTQ Individuals

    Article • Journal of Family Issues, November 2018, SAGE Publications

    Dr Pedro A Costa

  53. A Comparative Study of Attitudes Toward Same-Gender Parenting and Gay and Lesbian Rights in Portugal and in Mexico

    Article • Journal of Homosexuality, September 2018, Taylor & Francis

    Dr Pedro A Costa

  54. THE QUALITY OF PARENTAL LIVING IN THREE PORTUGUESE HOMOPARENT FAMILIES

    Article • Psicologia Saúde & Doença, March 2018, Sociedad Portuguesa de Psicologia da Saude

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  55. PERCEIVED REPRESENTATIONS AND CONSEQUENCES OF MENOPAUSA AND ANDROPAUSA: EVISA PRELIMINARY RESULTS

    Article • Psicologia Saúde & Doença, March 2018, Sociedad Portuguesa de Psicologia da Saude

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  56. SILVER RAINBOW: ESTIGMA IN OLD GAY MEN, A PERSPECTIVE OF MINORITY STRESS

    Article • Psicologia Saúde & Doença, March 2018, Sociedad Portuguesa de Psicologia da Saude

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  57. Through the Lens of Sexual Stigma: Attitudes Toward Lesbian and Gay Parenting

    Article • Journal of GLBT Family Studies, February 2018, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  58. Are the Fathers Alright? A Systematic and Critical Review of Studies on Gay and Bisexual Fatherhood

    Article • Frontiers in Psychology, September 2017, Frontiers

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  59. The effectiveness of a group intervention to facilitate posttraumatic growth among women with breast cancer

    Article • Psycho-Oncology, August 2017, Wiley

    TANIA RUDNICKI, Dr Pedro A Costa, Catarina Ramos, Professor Isabel Pereira Leal

  60. Sexual Prejudice in Portugal: Results from the First Wave European Study on Heterosexual’s Attitudes Toward Same-Gender Marriage and Parenting

    Article • Sexuality Research and Social Policy, June 2017, Springer Science + Business Media

    Dr Pedro A Costa

  61. Andropause symptoms severity inventory (ASSI): Preliminary study with a Portuguese sample

    Article • Maturitas, June 2017, Elsevier

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  62. Menopause Symptoms Severity Inventory (MSSI) revised: Preliminary study for the adaptation with a Portuguese sample

    Article • Maturitas, June 2017, Elsevier

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  63. Psychology, Community and Health: Consolidation and transformation

    Article • Psychology Community & Health, May 2017, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa

  64. Modern Families

    Article • Journal of Family Issues, December 2016, SAGE Publications

    Dr Pedro A Costa

  65. Voices of Nigerian Women Survivors of Trafficking Held in Italian Centres for Identification and Expulsion

    Article • International Migration, May 2016, Wiley

    Dr Pedro A Costa

  66. The Impact of Body Dissatisfaction on Distressing Sexual Difficulties Among Men and Women: the Mediator Role of Cognitive Distraction

    Article • The Journal of Sex Research, April 2016, Taylor & Francis

    Dr Pedro A Costa

  67. Modeling the impact of social discrimination on the physical and mental health of Portuguese gay, lesbian and bisexual people

    Article • Innovation The European Journal of Social Science Research, March 2016, Taylor & Francis

    Dr Pedro A Costa

  68. The impact of relational factors on sexual satisfaction among heterosexual and homosexual men

    Article • Sexual & Relationship Therapy, May 2015, Taylor & Francis

    Dr Pedro A Costa

  69. Adaptação dos inventários de sexismo moderno para Portugal: o inventário de sexismo ambivalente e o inventário de ambivalência em relação aos homens

    Article • Psicologia Reflexão e Crítica, March 2015, FapUNIFESP (SciELO)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  70. University Students’ Attitudes Toward Same-Sex Parenting and Gay and Lesbian Rights in Portugal

    Article • Journal of Homosexuality, September 2014, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  71. “The Contact Hypothesis” and Attitudes Toward Same-Sex Parenting

    Article • Sexuality Research and Social Policy, September 2014, Springer Science + Business Media

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  72. Religious and Political Conservatism and Beliefs About Same-Sex Parenting in Portugal

    Article • Psychology Community & Health, March 2014, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  73. Attitudes Toward Gay and Lesbian Civil Rights Scale

    Article • January 2014, American Psychological Association (APA)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  74. Attitudes Toward Gay and Lesbian Parenting Scale

    Article • January 2014, American Psychological Association (APA)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  75. Homoparentalidade: O estado da investigação e a procura de normalização

    Article • Psicologia, December 2013, Associacao Portuguesa de Psicologia

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  76. Symposia

    Article • Psychology Community & Health, June 2013, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa

  77. Editorial

    Article • Psychology Community & Health, June 2013, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa

  78. Internalized Homonegativity, Disclosure, and Acceptance of Sexual Orientation in a Sample of Portuguese Gay and Bisexual Men, and Lesbian and Bisexual Women

    Article • Journal of Bisexuality, April 2013, Taylor & Francis

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  79. Atitudes da população portuguesa em relação à homoparentalidade

    Article • Psicologia Reflexão e Crítica, January 2013, FapUNIFESP (SciELO)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  80. Psychosomatic Assessment and Integrative Care: 22nd World Congress on Psychosomatic Medicine Lisboa, September 12–14, 2013

    Article • Psychotherapy and Psychosomatics, January 2013, Karger Publishers

    Dr Pedro A Costa, Dr Francisco José Eiroa-Orosa, Fernando Ribeiro

  81. Portuguese Adolescents' Attitudes Toward Sexual Minorities: Transphobia, Homophobia, and Gender Role Beliefs

    Article • Journal of Homosexuality, November 2012, Taylor & Francis

    Dr Pedro A Costa

  82. Adaptation and development of a Parenting Behaviours Inventory

    Article • Psychology Community & Health, March 2012, Leibniz-Institute of Psychology Information (ZPID)

    Dr Pedro A Costa, Professor Isabel Pereira Leal

  83. Research Area: Sexuality

    Article • International Journal of Psychology, January 2012, Wiley

    Dr Pedro A Costa

  84. Research Area: Health

    Article • International Journal of Psychology, January 2012, Wiley

    Dr Pedro A Costa

  85. Research Area: Trauma

    Article • International Journal of Psychology, January 2012, Wiley

    Dr Pedro A Costa