Clitoral Self-Stimulation Scale

Abstract

The Clitoral Self-Stimulation Scale (CSSS) is a psychometric instrument designed to measure various dimensions related to women’s self-stimulation of the clitoris and genitals within the context of sexual interaction with a partner. The scale captures three main components: the frequency of the behavior, as well as the attitudes and affective reactions associated with this self-stimulation. Developed through an iterative process across three studies, the final instrument is a concise six-item measure. It is designed to assess individual difference dispositions related to sexual comfort and agency, particularly within heterosexually active female populations.

Keywords

Clitoral Self-Stimulation, Sexual Behavior, Attitudes, Affective Reactions, Psychometrics, Sexual Interaction, Women’s Sexuality, Clitoral Orgasm, Partnered Sex.

Authors

ALEXANDRA MCINTYRE-SMITH, WILLIAM A. FISHER.

Purpose

The primary purpose of the Clitoral Self-Stimulation Scale is to quantify individual differences in the tendency to engage in self-stimulation of the clitoris and genitals while engaged in sexual interaction with a partner. This measurement is intended to capture dispositional characteristics more broadly, rather than being limited to a specific temporal frame or relationship context, although the administration instructions can be modified if researchers require context-specific data (e.g., focusing on a current partner).

The scale specifically targets three domains: behavioral frequency, attitudinal acceptance, and emotional (affective) response towards the act of self-stimulation during partnered sex. The administration of the scale is rapid, typically requiring only 2 to 5 minutes for completion using a paper-and-pencil format, though it was developed using an internet-based survey approach for research efficiency.

Construct

The CSSS measures the multi-faceted construct of proclivity toward and acceptance of clitoral self-stimulation during partnered sex. This construct is operationalized through six items designed to capture the behavioral, attitudinal, and affective components of the tendency. The scale structure includes two primary subscales: 1) Attitudes Towards Clitoral Self-Stimulation (Items 1, 2, 5), which assesses cognitive evaluations of the act, and 2) Affective Reactions to Clitoral Self-Stimulation (Items 3, 4), which assesses emotional feelings associated with the act. Item 6 measures behavioral frequency.

The psychological construct assumes that engaging in self-stimulation during partnered activity often deviates from traditional sexual scripts, thus requiring a certain degree of openness to sexual experience. By measuring these components, the scale provides insight into a woman’s sexual comfort, agency, and her ability to prioritize her own orgasm attainment within a coupled sexual context.

Validity

Evidence for the convergent validity of the CSSS was explored through correlations with measures assessing openness to a broad range of sexual experiences. The total scale and subscale scores showed moderate correlation (r = .39–.48) with the Sexual Opinion Survey (SOS) measure of erotophobia-erotophilia, which reflects the tendency to respond to sexual stimuli with negative-to-positive affect and avoidant-to-approach behavior. This correlation was established after removing two SOS items related explicitly to self-stimulation to avoid inflated estimates.

Further evidence of convergent validity includes correlations with the Sociosexual Inventory (r = .15–.22), a measure of willingness to engage in casual sexual relationships. The CSSS total score and subscales also correlated with the reported frequency of intercourse with a casual sexual partner (r = .53–.66) and frequency of masturbation (r = .33–.49). Crucially, the measure demonstrated discriminant validity by showing no correlation with the Marlowe-Crowne Social Desirability Scale or with standard measures of depression and anxiety, confirming that the scale is largely free from common response biases and measures a distinct sexual psychological construct.

Reliability

The scale demonstrated consistently good psychometric reliability across the three developmental studies used for refinement. The overall scale exhibited strong internal consistency, with Cronbach’s alpha coefficients ranging from .82 to .86. The four-week test-retest reliability was also good for the total scale (r = .84) and both subscales (r = .74–.77).

The internal consistency of the specific subscales varied slightly: the “Attitudes Towards Clitoral Self-Stimulation” subscale (three items) was excellent in two studies (alpha = .81–.86) and adequate in the third (alpha = .72). The “Affective Reactions to Clitoral Self-Stimulation” subscale (two items) showed adequate consistency in two studies (alpha = .70–.71) but was less desirable in the third (alpha = .59). However, this lower value is generally considered acceptable given the limited number of items in the subscale.

Factor Analysis

The development of the CSSS followed a rigorous, iterative scale construction process spanning three studies, utilizing individual item analyses and exploratory factor analyses (EFA). An initial pool of 18 items was refined, leading to the deletion of 10 items based on poor empirical performance or conceptual misalignment. Subsequent rounds of testing and refinement resulted in the final six-item instrument.

Decision-making for item retention was guided by established scale-development guidelines to ensure psychometric robustness. Items were deleted if they displayed evidence of range restriction (more than 50% endorsement of one option), poor inter-item correlations (r < .30), poor corrected item-total correlations (r < .30), high cross-loadings on non-target factors (> .35), low percentage of variance accounted for (communalities < .30), low clarity ratings by expert judges (M < 5.5 on a 7-point scale), poor wording, redundancy, or poor conceptual overlap with the target construct.

Instrument

Test Type: Self-Report Questionnaire / Psychometric Scale

Format: 6 items with varying response options (7-point Likert scales for attitudinal/affective items; categorical percentage scale for frequency).

Language Available: English (Original development).

Population Group: Adult Women (Developed specifically for heterosexually active female undergraduates).

Age Group: 17–49 years (Development samples had mean ages ranging from 18.83 to 19.24 years).

Population Details: Sampling was conducted with three distinct groups of female undergraduate students who were heterosexually active, defined as reporting sexual intercourse with a male partner at least twice per month. The authors caution that the scale is currently most appropriate for use with this specific population until further validation studies are conducted across broader demographics.

Test Methodology: Self-administered survey completed privately, typically requiring 2 to 5 minutes. Scoring requires weighting due to the mixed response formats: Items 1–5 (7-point scales) are multiplied by 5, and Item 6 (5-point derived scale) is multiplied by 7. The total score or average score is calculated, with higher scores indicating a greater proclivity for engaging in self-stimulation during partnered sexual interaction.

Keywords

Sexual Agency, Partnered Sex, Orgasm, Genital Stimulation, Psychometric Development, Sexual Script, College Students, Sexual Health.

Authors

Author ORCID Identifier: N/A (Information not provided in source material)

Affiliation Email addresses: N/A (Information not provided in source material)

Correspondence Address: University of Western Ontario (Affiliation provided in source material)

Permissions & Fee and Test Year

Permissions: Information regarding formal permissions and licensing fees is not provided in the source material. Researchers seeking to utilize the scale should contact the authors, Alexandra McIntyre-Smith or William A. Fisher, for usage rights.

Test Year: The scale development was conducted in conjunction with research published in the late 20th and early 21st centuries, referencing foundational works from the 1960s through the 2000s, but the specific year of the final scale’s publication is not explicitly stated in the provided text.

Reference’s

• Crowne, D. P., & Marlowe, D. (1964). The approval motive: Studies in evaluative dependence. New York: Wiley.

• Fisher, W. A., Byrne, D., White, L. A., & Kelley, K. (1988). Erotophobia-erotophilia as a dimension of personality. The Journal of Sex Research, 25, 123–151.

• Gagnon, J. H. (1977). Human sexualities. Dallas, TX: Scott, Foresman.

• Henry, J. D., & Crawford, J. R. (2005). The short-form version of the Depression Anxiety Stress Scales (DASS-21): Construct validity and normative data in a large non-clinical sample. British Journal of Clinical Psychology, 44, 227–239.

• Hinkin, T. R. (1998). A brief tutorial on the development of measures for use in survey questionnaires. Organizational Research Methods, 1, 104–121.

• Netemeyer, R. G., Bearden, W. O., & Sharma, S. (2003). Scaling procedures: Issues and applications. Thousand Oaks, CA: Sage.

• Simpson, J. A., & Gangestad, S. W. (1991). Individual differences in sociosexuality: Evidence for convergent and discriminant validity. Journal of Personality and Social Psychology, 60, 870–883.

• Streiner, D. L. & Norman, G. R. (2008). Health measurement scales: A practical guide to their development and use (4th ed.). New York: Oxford University Press.

Items of the Clitoral Self-Stimulation Scale

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

Clitoral Self-Stimulation Scale