Description

The Hurlbert Index of Sexual Compatibility Scale (HISCS) is a psychometric instrument designed to assess the degree of sexual compatibility between intimate partners. The scale evaluates how closely partners’ sexual interests, desires, expectations, preferences, and attitudes align, providing a comprehensive assessment of sexual harmony within a relationship.

Sexual compatibility is recognized as an important component of overall relationship quality and is closely associated with emotional intimacy, effective communication, sexual satisfaction, mutual trust, relationship stability, and psychological well-being. A high level of sexual compatibility contributes to healthier interpersonal relationships, greater relationship satisfaction, and improved overall quality of life.

The HISCS is widely applicable in clinical psychology, sex therapy, couples counseling, relationship research, health psychology, and behavioral sciences, where it serves as a valuable instrument for evaluating sexual compatibility and its impact on intimate relationships.

Questionnaire Structure

The Hurlbert Index of Sexual Compatibility Scale consists of a series of self-report statements that assess multiple dimensions of sexual compatibility between partners.

The instrument typically evaluates:

  • compatibility of sexual needs and desires,
  • similarity in sexual interests and preferences,
  • agreement regarding the frequency of sexual activity,
  • mutual sexual satisfaction,
  • communication about sexual issues,
  • respect for personal boundaries and mutual consent,
  • overall perception of sexual harmony within the relationship.

Participants respond using a Likert-type rating scale, indicating the extent to which each statement reflects their relationship or personal experiences.

Data Analysis and Applications

Analysis of the HISCS involves calculating an overall sexual compatibility score that reflects the degree of alignment between partners’ sexual expectations and experiences.

The HISCS is commonly used in:

  • couple and marital therapy,
  • clinical sexology,
  • relationship counseling,
  • health psychology,
  • research on intimate relationships,
  • studies of sexual functioning and relationship quality,
  • evaluation of interventions designed to improve sexual communication and relationship satisfaction.

Researchers frequently investigate associations between HISCS scores and variables such as:

  • relationship satisfaction,
  • sexual satisfaction,
  • emotional intimacy,
  • communication quality,
  • mutual trust,
  • psychological well-being,
  • relationship stability,
  • overall quality of life.

Psychometric evaluation of the instrument typically includes internal consistency (Cronbach’s alpha), test–retest reliability, construct validity, convergent validity, and Confirmatory Factor Analysis (CFA) to evaluate the reliability and validity of the scale across different populations.

Objective

The primary objective of the Hurlbert Index of Sexual Compatibility Scale is to provide a reliable and standardized assessment of sexual compatibility as a fundamental component of healthy intimate relationships.

More specifically, the HISCS aims to:

  • evaluate the degree of compatibility between partners’ sexual needs and expectations,
  • assess communication regarding sexuality,
  • examine the relationship between sexual compatibility and relationship satisfaction,
  • investigate associations with emotional intimacy and psychological well-being,
  • evaluate the effectiveness of therapeutic and counseling interventions,
  • support research in sexual health, relationship science, and clinical psychology.

Scoring

The Hurlbert Index of Sexual Compatibility Scale is generally scored using a Likert-type response format, with participants indicating their level of agreement with each statement.

Individual item scores are summed to produce an overall sexual compatibility score. Depending on the version of the instrument, certain items may require reverse scoring before calculating the final score.

Higher scores indicate:

  • greater sexual compatibility,
  • stronger alignment of sexual interests and expectations,
  • better sexual communication,
  • higher levels of sexual and relationship satisfaction,
  • healthier intimate relationships,
  • greater mutual understanding between partners.

Interpretation of the results should always follow the official scoring procedures provided for the specific version of the instrument.

Psychometric Properties

The Hurlbert Index of Sexual Compatibility Scale demonstrates satisfactory psychometric performance in both clinical and research settings. Validation studies have reported good internal consistency, satisfactory test–retest reliability, robust construct validity, and meaningful associations with established measures of sexual satisfaction, relationship quality, emotional intimacy, interpersonal communication, and psychological well-being. These characteristics make the HISCS a valuable instrument for assessing sexual compatibility and evaluating interventions aimed at improving intimate relationship functioning.

References

Hurlbert, D. F. (1991). Development and Validation of the Hurlbert Index of Sexual Compatibility Scale.

Byers, E. S. (2005). Relationship satisfaction and sexual satisfaction: A longitudinal study of individuals in long-term relationships. Journal of Sex Research, 42(2), 113–118.

Mark, K. P., & Lasslo, J. A. (2018). Maintaining sexual desire in long-term relationships: A systematic review and conceptual model. Journal of Sex Research, 55(4–5), 563–581.

Sprecher, S., & Cate, R. M. (2004). Sexual Satisfaction and Sexual Expression as Predictors of Relationship Satisfaction and Stability. In J. H. Harvey, A. Wenzel, & S. Sprecher (Eds.), The Handbook of Sexuality in Close Relationships.