About my research

Dr. Juan Carlos Sierra is a professor of Psychological Assessment and Human Sexuality at the University of Granada (Spain), where he teaches both disciplines at the undergraduate and graduate levels. He is Director of the Clinical Psychophysiology and Health Promotion Research Group at the University of Granada and Director of the Human Sexuality Laboratory located at the Mind, Brain, and Behavior Research Center (CIMCYC). His main line of research, with more than 25 years of experience, focuses on the field of human sexuality. He is the principal investigator of several competitive research projects related to sexual health, as well as the author of more than a hundred publications in high-impact journals and multiple presentations at international conferences related to sexuality.

All Stories

  1. Article
    Solitary Masturbation and Partnered Sexual Activity: Association with Sexual Functioning
    Dr. Juan Carlos SierraDr. Oscar Cervilla
  2. Article
    Who Masturbates Matters? Gender Biases in the Perception of Masturbation
    Dr. Juan Carlos SierraLaura Elvira Muñoz-García
  3. Article
    Discover the First Model of Sexual Satisfaction in Same-Sex Couples
    Dr. Juan Carlos Sierra
  4. Article
    Aspects Related to Masturbation: Gender and Sexual Orientation do Matter
  5. Article
    Sexual Cognitions Checklist (SCC): A Key Instrument for Assessing Sexual Cognitions
  6. Article
    Exploring the Connection Between Solitary Masturbation and Orgasm in Sexual Relationships
    Dr. Juan Carlos SierraGracia M. Sánchez-Pérez
  7. Article
    Validation of the Sexual Inhibition/Sexual Excitation Scales - Short Form in LGB people
  8. Article
    Research on Sexual Satisfaction in LGBTIQA+ Individuals and Couples
    Dr. Juan Carlos Sierra
  9. Article
    Demystifying Masturbation: Its Role in the Sexual Arousal of LGB Youth
    Dr. Juan Carlos SierraGracia M. Sánchez-Pérez
  10. Article
    Orgasm and Relationship: Keys to Understand Relationship Satisfaction in Same-Sex Couples
    Dr. Juan Carlos SierraCarlos Pérez-Amorós
  11. Article
    Sexual Response Differs in Men and Women Between Masturbation and Sexual Relationships
    Dr. Juan Carlos SierraCarlos Pérez-Amorós
  12. Article
    Propiedades psicométricas del Test de Evaluación Clínica de la Depresión en población general española
    Dr. Juan Carlos Sierra
  13. Article
    Volunteers for Studies in a Sexuality Laboratory: Are They Different from the General Population?
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  14. Article
    Sexual Arousal and Satisfaction in Young Women in Relationships: A Nuanced Association
  15. Article
    Coital Alignment Technique for Female Orgasmic Disorder
  16. Article
    Subjective Orgasm Experience in Different-Sex and Same-Sex Couples
    Dr. Juan Carlos SierraCarlos Pérez-Amorós
  17. Article
    The Association of Sexual Arousal with Orgasmic Experience in Same-Sex Relationships
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  18. Article
    Qualitative Evidence of the Subjective Orgasm Experience
    Dr. Juan Carlos Sierra
  19. Article
    Association Desire-Sexual satisfaction Based on Adherence to the Sexual Double Standard
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  20. Article
    How do LGB people rate their coupled orgasms?
    Dr. Juan Carlos SierraLaura Elvira Muñoz-García
  21. Article
    How Does Masturbation Relate to Sexual Satisfaction?
  22. Article
    Sexual Relations Involve Rewards and Costs: An Analysis by Sex and Sexual Orientation
  23. Article
    Multidimensionality of the Subjective Orgasm Experience in Masturbation
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  24. Article
    Assessing the Propensity for Sexual Excitation and Inhibition in the Spanish Population
  25. Article
    Cultivating Relationship Satisfaction to Enhance Sexuality in Same-Sex Couples
    Dr. Juan Carlos Sierra
  26. Article
    Romantic jealousy: a transcultural comparison between the United States, Colombia, and Mexico
    Dr. Juan Carlos Sierra
  27. Article
    Intimate Partner Violence Negatively Impacts Women´s Sexual Functioning
  28. Article
    Providing Validity Evidence for the MGH-SFQ
  29. Article
    Seeking Measures of Sexual Functioning Unbiased by Sexual Orientation
    Dr. Juan Carlos SierraLaura Elvira Muñoz-García
  30. Article
    Deciphering the Keys to Solitary Sexual Desire
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  31. Article
    Can the Sexual Attitudes of People with Different Sexual Orientations be Compared?
    Dr. Juan Carlos SierraLaura Elvira Muñoz-García
  32. Article
    Does Sexual Double Standard Harm Sexual Satisfaction?
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  33. Article
    The Promise of Query Answering Systems in Sexuality Studies: Current State, Challenges and Limitations
    Dr. Juan Carlos Sierra
  34. Article
    Subjective Orgasmic Experience Across Context, Gender and Sexual Orientation
    Dr. Juan Carlos SierraLaura Elvira Muñoz-García
  35. Article
    Sexual double standard: A gender-based prejudice referring to sexual freedom and sexual shyness
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  36. Article
    Network and Exploratory Factorial Analysis of the Depression Clinical Evaluation Test
    Dr. Juan Carlos Sierra
  37. Article
    The Bem Sex-Role Inventory: Proposal of a short version in Spanish
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  38. Article
    Masturbation is Associated With Orgasm Satisfaction in Sexual Relationships
    Dr. Juan Carlos Sierra
  39. Article
    Propiedades psicométricas del Massachusetts General Hospital-Sexual Functioning Questionnaire en personas mayores
    Dr. Juan Carlos Sierra
  40. Article
    Sexual Arousal in People With Different Typologies of Adherence to the Sexual Double Standard
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  41. Article
    The Sexual Double Standard in Spanish-Speaking Countries
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  42. Article
    How do Men and Women Describe Their Orgasms Within the Heterosexual Relationship?
    Dr. Juan Carlos Sierra
  43. Article
    Sexual Activity in Peruvian Adolescents
  44. Article
    Measuring the Subjective Orgasm Experience in Masturbation
    Dr. Juan Carlos Sierra
  45. Article
    Masturbation in People Over 50 Years old: Taboo or Indicator of Sexual Health?
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  46. Article
    Subjective Experience of Orgasm in Gays and Lesbians
    Dr. Juan Carlos Sierra
  47. Article
    The Role of Sexual Attitudes in Sexual Functioning: Are General or Specific Attitudes More Relevant?
    Dr. Juan Carlos Sierra
  48. Article
    FUNCIÓN SEXUAL Y ACTIVIDAD FÍSICA EN PERSONAS MAYORES DEL NORESTE DE MÉXICO
    Dr. Juan Carlos Sierra
  49. Article
    How and Why Measure the Attitude Towards Masturbation?
    Dr. Juan Carlos Sierra
  50. Article
    Characterizing orgasmic experience in masturbation
    Dr. Juan Carlos Sierra
  51. Article
    Sexual response in young people with psychopathological symptoms
  52. Article
    How does intimate partner violence affect sexuality?
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  53. Article
    Study of sexual satisfaction through typologies of adherence to the sexual double standard
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  54. Article
    What is the relationship between sexual double standards and sexual victimization/aggression?
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  55. Article
    Prevalence of adherence to sexual double standard in Spanish society
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  56. Article
    What is the role of sexual desire in the subjective experience of orgasm?
    Dr. Juan Carlos Sierra
  57. Article
    The attitude towards sexual fantasies as an indicator of sexual health
    Dr. Juan Carlos Sierra
  58. Article
    The role of sexual excitation/inhibition and the ability to negotiate the sexual relationships
    Dr. Juan Carlos Sierra
  59. Article
    What factors influence the sexual satisfaction of gays and lesbians?
  60. Article
    IEMSSQ: An instrument to assess sexual satisfaction in the Hispanic LGBT population
  61. Article
    Validación de la Versión Breve de la Experiences in Close Relationship en Adultos con Pareja del mismo Sexo
  62. Article
    Female Sexual Arousal: How do Women React to a Threat to Their Sexual Performance?
    Dr. Juan Carlos Sierra
  63. Article
    Exploring News Contexts and News Forms of Sexual Double Standard
  64. Article
    What is the relationship between desire and sexual arousal?
    Dr. Juan Carlos Sierra
  65. Article
    SOS-6: An instrument for measuring erotophilia in Spain
    Dr. Juan Carlos SierraPhD Ana Álvarez-Muelas
  66. Article
    Factors associated with orgasm intensity in sexual relationships
    Dr. Juan Carlos Sierra
  67. Article
    Negative effects of the sexual double standard on sexual functioning and risk sexual behaviors
    Dr. Juan Carlos Sierra
  68. Article
    Invariance of Spanish version of Sexual Double Standard Scale across sex, age, and education level
    Dr. Juan Carlos Sierra
  69. Article
    Sexual Double Standard: A Psychometric Study From a Macropsychological Perspective Among the Spanish Heterosexual Population
    Dr. Juan Carlos Sierra
  70. Article
    Factores interpersonales como predictores de la autoestima sexual en mujeres del noreste de México
    Dr. Juan Carlos Sierra
  71. Article
    Relación entre la excitación sexual subjetiva y la respuesta genital: diferencias entre hombres y mujeres
    Dr. Juan Carlos Sierra
  72. Article
    Factorial invariance, differential item functioning, and norms of the Orgasm Rating Scale
    Dr. Juan Carlos Sierra
  73. Article
    Evidencias de Validez de la Versión Española de las Sexual Inhibition/Sexual Excitation Scales-Short Form (SIS/SES-SF)
  74. Article
    La autoestima sexual: su relación con la excitación sexual
    Dr. Juan Carlos Sierra
  75. Article
    Relationship between orgasm experience and sexual excitation: validation of the model of the subjective orgasm experience
    Dr. Juan Carlos Sierra
  76. Article
    Psychometric Study of the Interpersonal Jealousy Scale in Colombian Samples
    Dr. Juan Carlos Sierra
  77. Article
    What are the factors that contribute to the development of sexual dysfunction in breastfeeding women? A systematic scoping review protocol
    Dr. Juan Carlos Sierra
  78. Article
    Revisión sistemática sobre la experiencia subjetiva del orgasmo
    Dr. Juan Carlos Sierra
  79. Article
    Psychometric Properties of the Orgasm Rating Scale in Context of Sexual Relationship in a Spanish Sample
    Dr. Juan Carlos Sierra
  80. Article
    An abridged Spanish version of Sexual Double Standard Scale: Factorial structure, reliability and validity evidence
    Dr. Juan Carlos Sierra
  81. Article
    Revisión sistemática sobre la satisfacción sexual en parejas del mismo sexo
  82. Article
    A systematic review of romantic jealousy in relationships
    Dr. Juan Carlos Sierra
  83. Article
    Escalas de Valoración de Excitación Sexual y Valoración de Sensaciones Genitales: propiedades psicométricas en muestras españolas
  84. Article
    Validation of the Sexual Sensation Seeking Scale in Spanish Samples
    Dr. Juan Carlos Sierra
  85. Article
    Psychometric Properties of the Spanish Version of the Sexual Inhibition/Sexual Excitation Scales for Men
    Dr. Juan Carlos Sierra
  86. Article
    Validation of the Spanish Version of the Arizona Sexual Experience Scale (ASEX) Using Self-Reported and Psychophysiological Measures
  87. Article
    Predictors of sexual aggression in adolescents: Gender dominance vs. rape supportive attitudes
    Dr. Juan Carlos Sierra
  88. Article
    Factores psicosociales del consumo de verduras en niños escolarizados mexicanos de poblaciones urbanas y semi-urbanas
    Dr. Juan Carlos Sierra
  89. Article
    Spanish version of the Sexual Excitation/Sexual Inhibition Inventory for Women: Factorial structure, reliability and validity evidences
    Dr. Juan Carlos Sierra
  90. Article
    Validación de la Sexual Assertiveness Scale en mujeres mexicanas
    Dr. Juan Carlos Sierra
  91. Article
    Adaptation and Validation of the Brief Sexual Opinion Survey (SOS) in a Colombian Sample and Factorial Equivalence with the Spanish Version
    Dr. Juan Carlos Sierra
  92. Article
    Excitación sexual: una revisión sobre su relación con las conductas sexuales de riesgo
    Dr. Juan Carlos Sierra
  93. Article
    Use of an Ecological Model to Study Sexual Satisfaction in a Heterosexual Spanish Sample
  94. Article
    Sexual Desire Inventory: Two or Three Dimensions?
    Dr. Juan Carlos Sierra
  95. Article
    Content and Valence of Sexual Cognitions and Their Relationship With Sexual Functioning in Spanish Men and Women
    Dr. Juan Carlos Sierra
  96. Article
    Validation of the Interpersonal Exchange Model of Sexual Satisfaction Questionnaire in a Spanish Sample
  97. Article
    Relationship between drug use and sexual assertiveness in a Spanish male drug-dependent sample
    Dr. Juan Carlos Sierra
  98. Article
    Sexual victimisation, sexual cognitions, desire and excitation/inhibition in community Spanish male and female sexual aggressors
    Dr. Juan Carlos Sierra
  99. Article
    Adaptation and Validation of the Sexual Assertiveness Scale (SAS) in a Sample of Male Drug Users
    Pablo MedinaDr. Juan Carlos Sierra
  100. Article
    Sexual Cognitions in Victims of Childhood and Adolescence/Adulthood Sexual Abuse
    Dr. Juan Carlos Sierra
  101. Article
    Binge drinking: conductas sexuales de riesgo y drogas facilitadoras del asalto sexual en jóvenes españoles
    Dr. Juan Carlos Sierra
  102. Article
    Productividad y eficiencia en investigación por comunidades autónomas españolas según la financiación (2012)
    Dr. Juan Carlos Sierra
  103. Article
    Validación de una escala de conocimiento sobre el VIH y otras infecciones de transmisión sexual en población adolescente
    Dr. Juan Carlos Sierra
  104. Article
    Sexual satisfaction in a heterosexual and homosexual Spanish sample: the role of socio-demographic characteristics, health indicators, and relational factors
  105. Article
    Funcionamiento sexual en hombres y mujeres víctimas de abuso sexual en la infancia y en la adolescencia/adultez
    Dr. Juan Carlos Sierra
  106. Article
    Positive and negative sexual cognitions: similarities and differences between men and women from southern Spain
    Dr. Juan Carlos Sierra
  107. Article
    Ranking 2012 de investigación de las universidades públicas españolas
    Dr. Juan Carlos Sierra
  108. Article
    Propuesta y validación de una versión breve del Sexual Opinion Survey en población española
    Dr. Juan Carlos Sierra
  109. Article
    Funcionamiento sexual en personas mayores: influencia de la edad y de factores psicosexuales
  110. Article
    Cognitive behavioral treatment for narcolepsy: can it complement pharmacotherapy?
  111. Article
    A systematic review of sexual satisfaction
  112. Article
    Equivalencia y Baremos del Hurlbert Index of Sexual Assertiveness Entre Hombres y Mujeres Españoles.
    Dr. Juan Carlos Sierra
  113. Article
    Construcción de un índice de riesgo para la infección por el VIH y su relación con la doble moral y el poder diádico en adolescentes
    Dr. Juan Carlos Sierra
  114. Article
    Relationships between personality traits and positive/negative sexual cognitions
    Dr. Juan Carlos Sierra
  115. Article
    Predicción del tipo de experiencia sexual en función de variables psicológicas y sociodemográficas en adolescentes panameños
    Dr. Juan Carlos Sierra
  116. Article
    Propiedades psicométricas del index of spouse abuse en una muestra de varones españoles
    Dr. Juan Carlos Sierra
  117. Article
    Adaptation, Equivalence, and Validation of the Changes in Sexual Functioning Questionnaire-Drugs in a Sample of Drug-Dependent Men
    Dr. Juan Carlos Sierra
  118. Article
    Effect of Drug Use and Influence of Abstinence on Sexual Functioning in a Spanish Male Drug-Dependent Sample: A Multisite Study
    Dr. Juan Carlos Sierra
  119. Article
    A further examination of Levine's model of sexual desire
    Dr. Juan Carlos Sierra
  120. Article
    Validación de la versión española del Sexual Cognitions Checklist (SCC)
    Dr. Juan Carlos Sierra
  121. Article
    Validación del Massachusetts General Hospital-Sexual Functioning Questionnaire (MGH-SFQ) en población española
    Dr. Juan Carlos Sierra
  122. Article
    Predictors of Sexual Assertiveness: The Role of Sexual Desire, Arousal, Attitudes, and Partner Abuse
    Dr. Juan Carlos Sierra
  123. Article
    Is Psychology a Health Profession? An Opinion of a Sample of Psychologists Worldwide
    Dr. Juan Carlos Sierra
  124. Article
    Sexual Victimization among Spanish College Women and Risk Factors for Sexual Revictimization
    Dr. Juan Carlos Sierra
  125. Article
    Análisis del deseo sexual en una muestra de drogodependientes en periodo de abstinencia
    Dr. Juan Carlos Sierra
  126. Article
    Análisis del rendimiento en el doctorado en función de las becas de Formación de Profesorado Universitario y de Formación de Personal Investigador
    Dr. Juan Carlos Sierra
  127. Article
    Análisis del rendimiento en el doctorado en función de las normativas de los estudios de doctorado en las universidades españolas
    Dr. Juan Carlos Sierra
  128. Article
    Reliability and Validity of the Spanish Version of the Minnesota Multiphasic Personality Inventory–Adolescent (MMPI–A)
    Dr. Juan Carlos Sierra
  129. Article
    Hurlbert Index of Sexual Assertiveness: A Study of Psychometric Properties in a Spanish Sample
    Dr. Juan Carlos Sierra
  130. Article
    Factors Associated with Rape-Supportive Attitudes: Sociodemographic Variables, Aggressive Personality, and Sexist Attitudes
    Dr. Juan Carlos Sierra
  131. Article
    Psychometric Properties of the Spanish Version of the Changes in Sexual Functioning Questionnaire-Short-Form (CSFQ-14) in a Sample of Males with Drug Abuse History
    Dr. Juan Carlos Sierra
  132. Article
    A validation study of the double standard scale and the rape supportive attitude scale in Brazilian women
    Dr. Juan Carlos Sierra
  133. Article
    Opinión de Profesores Titulares y Catedráticos de Universidad acerca de criterios y estándares para la acreditación del profesorado universitario
    Dr. Juan Carlos Sierra
  134. Article
    Análisis psicométrico de la versión española del Brief Sexual Function Inventory (BSFI) en una muestra de hombres con historia de abuso de drogas
    Dr. Juan Carlos Sierra
  135. Article
    Male Sexual Coercion: Analysis of a Few Associated Factors
    Dr. Juan Carlos Sierra
  136. Article
    Exploration of the psychometric characteristics of the Liebowitz Social Anxiety Scale in a Spanish adolescent sample
    Dr. Juan Carlos Sierra
  137. Article
    Knowledge and skills that facilitate the personal support dimension of citizenship.
    Dr. Juan Carlos Sierra
  138. Article
    Insomnia Severity Index: algunos indicadores acerca de su fiabilidad y validez en una muestra de personas mayores
    Dr. Juan Carlos Sierra
  139. Article
    Distress in Response to Emotional and Sexual Infidelity: Evidence of Evolved Gender Differences in Spanish Students
    Dr. Juan Carlos Sierra
  140. Article
    Psychometric properties of the Social Interaction Anxiety Scale and separation criterion between Spanish youths with and without subtypes of social anxiety
    Dr. Juan Carlos Sierra
  141. Article
    Further Examination of Measurement Properties of Spanish Version of the Sexual Desire Inventory with Undergraduates and Adolescent Students
    Dr. Juan Carlos Sierra
  142. Article
    Sex Differences in Response to Sexual and Emotional Infidelity Among Spanish and Chilean Students
    Dr. Juan Carlos Sierra
  143. Article
    Confirmatory Factor Analysis of a Spanish Version of the Sex Fantasy Questionnaire: Assessing Gender Differences
    Dr. Juan Carlos Sierra
  144. Article
    Estructura interna de la Dysfunctional Beliefs and Attitudes about Sleep Scale en una muestra española de trabajadores con turnos rotatorios
    Dr. Juan Carlos Sierra
  145. Article
    The assessment of residual effects of a single dose of diazepam on visually defined EEG patterns
    Dr. Juan Carlos Sierra
  146. Article
    The effects of diazepam on self-informed arousal and sustained attention
    Dr. Juan Carlos Sierra
  147. Article
    Personality differences between short and long sleepers
    Dr. Juan Carlos Sierra
  148. Article
    Actitud hacia la masturbación en adolescentes: propiedades psicométricas de la versión española del attitudes toward masturbation inventory
    Dr. Juan Carlos Sierra