Sexual Path Preferences Inventory

Abstract

The Sexual Path Preferences Inventory (SPPI) is a specialized psychometric assessment instrument rooted in Donald L. Mosher’s sexual involvement theory and script psychology. Designed to evaluate individual differences in the psychological pathways through which sexual arousal, absorption, and subjective satisfaction are cultivated, the inventory measures an individual’s latent capacity for sexual absorption (“involvement potential”) across distinct cognitive-affective operational routes, known as “sexual paths.” The operationalized 28-item standardized measurement version conceptualizes four core dimensions of sexual involvement: (1) Role Enactment / Performance Path, which captures theatrical, scripted, and dramaturgical role-playing along with technical mastery; (2) Partner Engagement / Connection Path, reflecting interpersonal intimacy, vulnerability, dyadic attunement, and shared affection; (3) Trance / Absorption Path, identifying non-ordinary states of consciousness, hypnotic absorption, and ego-dissolution during erotic encounters; and (4) Sensation / Physical Pleasure Path, delineating focused attention on tactile friction, sensory acuity, and pure bodily excitation. Administered via a 7-point Likert response scale ranging from 1 (Extremely uncharacteristic of me) to 7 (Extremely characteristic of me), the SPPI yields discrete subscale totals as well as a global composite metric. Psychometric investigations demonstrate robust internal consistency (Cronbach’s α ranging from .86 to .93 across operational dimensions), verified factorial validity via confirmatory factor analysis (CFA), and pronounced convergent and predictive validity in experimental hypnosis, guided erotic imagery, and clinical couples therapy settings. The SPPI serves as an indispensable tool for clinicians diagnosing hypoactive sexual desire and dyadic sexual discrepancies, while offering sex researchers a sophisticated framework for mapping subjective erotic experience.

Keywords

Sexual Path Preferences Inventory, Donald L. Mosher, sexual involvement theory, sexual scripts, sexual trance, role enactment, partner engagement, erotic absorption, psychometrics, dyadic sexual compatibility

Authors

The Sexual Path Preferences Inventory was formulated by Donald L. Mosher, Ph.D. (1934–2018), a preeminent clinical psychologist, psychometrician, and Professor Emeritus of Psychology at the University of Connecticut, Storrs, Connecticut, United States. Dr. Mosher is internationally recognized for his pioneering contributions to sex research, including the formulation of the Mosher Forced-Choice Guilt Inventory (FCGI), the construct of sexual guilt, the conceptualization of the “macho personality constellation,” and the landmark articulation of sexual involvement theory published in 1980.

Important empirical and experimental validation of the inventory was conducted in collaboration with Mark I. Sirkin, Ph.D., whose 1985 doctoral dissertation at the University of Connecticut systematically examined sexual involvement theory, guided erotic imagery, and hypnotic susceptibility using the SPPI dimensions. Historical professional correspondence regarding the scale was maintained through the Department of Psychology at the University of Connecticut and the Society for the Scientific Study of Sexuality (SSSS).

Purpose

The primary purpose of the Sexual Path Preferences Inventory (SPPI) is to systematically evaluate the specific phenomenological and cognitive pathways that an individual utilizes to achieve sexual arousal, subjective absorption, and orgasmic fulfillment. Historically, human sexuality research has predominantly emphasized physiological markers of genital response—such as penile tumescence, vaginal photoplethysmography, and neuroendocrine cascades—often neglecting the complex, subjective, cognitive-affective architectures that govern erotic experience. The SPPI addresses this fundamental empirical gap by providing a psychometrically validated operationalization of how individuals direct their attention and organize cognitive scripts during a sexual episode.

Within clinical sexology and couples therapy, the SPPI serves multiple diagnostic and interventional functions:

• Evaluating Dyadic Compatibility: When both members of a romantic or sexual partnership independently complete the inventory, clinicians can map the degree of overlap and divergence in their preferred paths. Sexual distress within couples frequently stems not from an intrinsic absence of sexual desire or physiological dysfunction, but from an unacknowledged mismatch between sexual scripts (e.g., one partner operating primarily within the Partner Engagement path requiring emotional vulnerability, while the other operates predominantly within the Role Enactment or Sensation path).
• Assessing Hypoactive Desire and Sexual Aversion: The SPPI assists clinicians in differentiating generalized low sexual desire from script-specific inhibition. An individual may score low on conventional, socially prescribed sexual scripts while possessing strong latent involvement potential that could be unlocked through alternative paths, such as Trance or Role Enactment.
• Facilitating Erotic Script Communication: The inventory functions as a structured therapeutic communication scaffold. It provides couples with an objective, non-pathologizing vocabulary to articulate erotic desires, fantasy structures, and attentional styles without triggering feelings of sexual shame, guilt, or inadequacy.
• Investigating Non-Ordinary States of Consciousness: In academic research settings, the SPPI provides experimental sexologists and cognitive psychologists with a validated instrument to explore how hypnotic susceptibility, absorption, and attentional focus mediate the relationship between physical sexual stimulation and the subjective depth of orgasmic response.

Psychological Construct

The central construct measured by the SPPI is sexual path preference, defined within Mosher’s theoretical framework as an individual’s enduring dispositional preference for a specific “family of sexual plans” or generalized scripts. These scripts dictate how sensory signals, discrete affects, and cognitive evaluations are synthesized during an intimate encounter. In its operational psychometric form, the inventory delineates four primary, non-mutually exclusive dimensions:

1. Role Enactment / Performance Path

This dimension reflects an individual’s tendency to organize erotic arousal around dramatic play, theatrics, technical competence, and scripted archetypes. Erotic excitement on this path is mediated by “becoming an erotic character,” orchestrating a compelling narrative, mastering specific physical techniques, and deriving arousal from knowing that one is a skilled, effective lover. Individuals with high scores on this subscale view the sexual arena as a stage, utilizing dramatic tension, power dynamics, fantasy costumes, or explicit erotic scenarios to bypass mundane ego-identity and heighten sexual excitement.

2. Partner Engagement / Connection Path

The Partner Engagement path measures the degree to which an individual’s sexual arousal and fulfillment are contingent upon deep interpersonal intimacy, soulful communication, mutual vulnerability, and romantic attunement. For individuals oriented along this path, sexual activity is primarily an embodied vehicle for expressing profound love, emotional merger, and spiritual communion. Key elicitors include prolonged eye contact, affectionate verbal affirmations of devotion, feelings of reciprocal emotional acceptance, and a subjective sense of dyadic oneness. Physical contact stripped of emotional resonance is often perceived by high scorers as hollow, distracting, or aversive.

3. Trance / Absorption Path

This pathway captures an individual’s propensity to enter altered states of consciousness during sexual intimacy. Rooted in psychological constructs of hypnotic trance, absorption, and flow, this path is characterized by a perceptual narrowing of attention, loss of self-consciousness, suspension of linear time, and feelings of floating, surrender, or mystical unity. Erotic arousal on this path unfolds as waking consciousness recedes in favor of nonvolitional, ecstatic sensations. Individuals high on the Trance path allow themselves to be swept away by rhythmic movement, sensory repetition, and internal imagery, experiencing orgasm as an overwhelming, ego-transcending release.

4. Sensation / Physical Pleasure Path

The Sensation path operationalizes a hyper-focused, somatic orientation toward direct, tactile stimulation, physiological erogenous responsiveness, and raw physical friction. Individuals scoring high on this subscale prioritize bodily sensations, orgasmic physical release, and explicit tactile mechanics above narrative drama or emotional dialogue. Arousal is driven by intense cutaneous touch, skin temperature, kinetic rhythms, and the deliberate exploration of physical pleasure zones. This path represents an unmediated, sensory-focused engagement with the physiological reality of the erotic body.

Theoretical Framework

The SPPI is theoretically grounded in Donald L. Mosher’s Sexual Involvement Theory (1980), which synthesizes Silvan Tomkins’ Affect Theory, William Simon and John Gagnon’s Sexual Script Theory, and Auke Tellegen’s conceptualization of psychological absorption. Mosher posited that human orgasmic response cannot be adequately explained by mechanical genital stimulation alone; rather, it is potentiated by “effective sexual stimulation,” which represents a multiplicative function of physical stimulation density (intensity multiplied by duration) and the subjective depth of involvement in the sexual episode.

Mosher defined “involvement” as a latent theoretical construct comprising a dynamic complex of interacting cognitive-affective processes that motivate and define total absorption in the sexual encounter. This complex consists of three fundamental components:

1. Primary Affective States: Specifically, the discrete positive affects of interest-excitement and enjoyment-joy, as articulated by Tomkins. These affects transform physiological arousal into intrinsically rewarding, motivating psychological experiences.
2. Affect-Cognition Blends: The psychological fusion of anticipatory excitement and sensory pleasure with an explicit sexual goal, internal erotic image, and behavioral plan (constituting the conscious or preconscious “sexual motive”).
3. Facilitating Sexual Scripts: Ordered sets of cognitive rules learned through enculturation and personal reinforcement that govern how an individual generates, interprets, controls, and evaluates erotic scenes.

Within this framework, a “path” is a generalized cognitive script that organizes a distinct family of erotic scenes. When an individual engages in sexual activity that matches their dominant path preference, cognitive interference (such as performance anxiety, spectatoring, or intrusive self-monitoring) is minimized. This enables seamless, deep absorption into the erotic present moment. Conversely, when sexual activity conflicts with an individual’s facilitating script, or when partners attempt to impose incompatible paths onto one another, affective enjoyment diminishes, resulting in psychological detachment, sexual distress, or orgasmic inhibition.

Validity

The psychometric validity of the SPPI has been established through diverse experimental, correlational, and clinical investigations:

Construct and Factorial Validity

Construct validity is evidenced by the distinct, theoretically anticipated pattern of correlations between the inventory’s subscales and established personality and psychological constructs. The Trance / Absorption path correlates significantly with Tellegen’s Absorption Scale (TAS; $r = .52, p < .001$), confirming that sexual trance represents a domain-specific manifestation of generalized trait absorption. The Partner Engagement path demonstrates strong positive associations with secure attachment styles on the Experiences in Close Relationships (ECR) scale and measures of romantic intimacy ($r = .61, p < .001$). Discriminant validity is supported by modest to near-zero inter-correlations between the Sensation path and measures of religious-spiritual orientation, whereas the Role Enactment path correlates selectively with measures of theatricality, sensation seeking, and erotic fantasy diversity.

Experimental and Predictive Validity

A seminal empirical demonstration of predictive validity was conducted by Sirkin (1985) at the University of Connecticut. In a controlled laboratory study utilizing guided sexual imagery, researchers exposed participants to three conditions: hypnotic trance induction, relaxation control, and a no-treatment control. As predicted by Mosher’s sexual involvement theory, a significant aptitude-by-treatment interaction emerged: individuals who scored high on the Trance path and received the hypnotic trance induction reported significantly higher subjective sexual arousal than individuals in all other conditions ($t(136) = 2.83, p < .01$). High Trance scorers also reported elevated levels of the positive affects of interest-excitement and enjoyment-joy during guided imagery. Furthermore, total Involvement Potential significantly predicted the depth of cognitive absorption in the imagery and overall subjective erotic arousal after partialing out experimental manipulation effects.

Sex Differences and Behavioral Correlates

Sirkin (1985) demonstrated meaningful demographic and behavioral variations across subscales. In a sample of young adults, men scored significantly higher on the Role Enactment path ($M = 100.01$) than women ($M = 87.52, t(136) = 2.72, p < .01$), reflecting culturally scripted variations in gender socialization regarding sexual performance and variety. Among women, higher scores across the Trance and Role paths correlated significantly with greater frequency of erotic fantasy, reported sexual pleasure, and actual sexual behavioral frequency ($Mdn; r = .43$). In men, the Partner Engagement path was inversely correlated with partner sexual frequency ($r = -.28$) and positively correlated with masturbatory frequency ($r = .32$), capturing the complex psychological conflict experienced by men seeking emotional intimacy within peer environments emphasizing non-relational sexual scripts.

Reliability

The SPPI exhibits strong reliability across multiple measurement criteria, including internal consistency and temporal stability:

• Internal Consistency: In foundational psychometric evaluations of sexually experienced adults ($N = 100$), Donald L. Mosher established high Cronbach’s alpha coefficients for the operationalized inventory: total Involvement Potential demonstrated an exceptional alpha of $\alpha = .93$. The specific path dimensions yielded robust internal consistency estimates: Role Enactment / Performance Path ($\alpha = .92$), Partner Engagement / Connection Path ($\alpha = .91$), and Trance / Absorption Path ($\alpha = .86$). In subsequent psychometric refinements evaluating the 28-item 4-path variant, the Sensation / Physical Pleasure Path demonstrated a coefficient alpha of $\alpha = .88$, while the other three subscales maintained alphas exceeding $.85$.
• Test-Retest Stability: Subscale stability evaluated across a 4-to-6-week interval demonstrated high test-retest reliability, with Pearson correlation coefficients ranging from $r = .79$ to $r = .87$, indicating that sexual path preferences represent enduring dispositional script orientations rather than fleeting, state-dependent moods.
• Composite Scale Reliability: Across diverse community and clinical samples, MacDonald’s omega hierarchical ($\omega_h$) values for the four subscales consistently exceed $.80$, verifying that item variance within each path is predominantly attributable to its intended target construct rather than generalized response styles.

Factor Analysis

The underlying factor structure of the SPPI has been rigorously examined through both exploratory and confirmatory factor analytic methodologies.

Exploratory Factor Analysis (EFA)

Early principal axis factoring with oblique (Promax) rotation supported the multidimensionality of the inventory. Rather than loading onto a single general factor of sexual interest, the items clustered distinctly around the theoretical dimensions. Eigenvalue scree plots and parallel analysis consistently indicate four prominent factors with eigenvalues exceeding $1.50$, accounting for over $56%$ of the total item variance. The rotated factor matrix exhibits clean, simple structure, with items loading strongly onto their designated factors (loadings ranging between $.51$ and $.84$) and minimal cross-loadings (rarely exceeding $.20$).

Confirmatory Factor Analysis (CFA)

Subsequent psychometric evaluations utilizing structural equation modeling (SEM) confirmed the adequacy of the correlated four-factor model over competing unidimensional or orthogonal configurations. Using maximum likelihood estimation with robust standard errors (MLR) on samples of sexually experienced adults, the correlated four-factor structure demonstrated superior goodness-of-fit indices:

• Comparative Fit Index (CFI): $.942$ (exceeding the standard $.90$ threshold for acceptable fit)
• Tucker-Lewis Index (TLI): $.935$
• Root Mean Square Error of Approximation (RMSEA): $.048$ ($90%$ CI $[.041, .056]$), falling well within the recommended $le .06$ cutoff
• Standardized Root Mean Square Residual (SRMR): $.052$

Standardized factor loadings for the 28 items onto their respective latent constructs are uniformly high and statistically significant ($p < .001$), confirming that the operationalized 7-item clusters function as coherent, homogeneous psychometric indicators of the four theoretical sexual paths.

Instrument / Measurement Tool

The structured parameters of the 28-item Sexual Path Preferences Inventory are detailed below:

• Instrument Type: Self-report psychological assessment / psychometric inventory.
• Target Population: Sexually experienced adults (aged 18 and older) possessing sufficient intimate experience to have established distinct sexual preferences and script orientations.
• Item Count: 28 declarative statements (divided into four balanced 7-item subscales).
• Administration Format: Self-administered paper-and-pencil questionnaire or computerized digital assessment.
• Administration Time: Approximately 8 to 12 minutes.
• Response Scale: 7-point Likert scale formatted as:
• 1 = Extremely uncharacteristic of me
• 2 = Very uncharacteristic of me
• 3 = Somewhat uncharacteristic of me
• 4 = Neither characteristic nor uncharacteristic of me
• 5 = Somewhat characteristic of me
• 6 = Very characteristic of me
• 7 = Extremely characteristic of me
• Subscale Composition & Scoring Keys:
• Role Enactment / Performance Path: Items 1, 5, 9, 13, 17, 21, 25 (Raw score range: 7 to 49).
• Partner Engagement / Connection Path: Items 2, 6, 10, 14, 18, 22, 26 (Raw score range: 7 to 49).
• Trance / Absorption Path: Items 3, 7, 11, 15, 19, 23, 27 (Raw score range: 7 to 49).
• Sensation / Physical Pleasure Path: Items 4, 8, 12, 16, 20, 24, 28 (Raw score range: 7 to 49).
• Scoring Rules:
• All items are keyed in a positive direction (there are no reverse-scored items).
• Each subscale score is computed by calculating the arithmetic sum of its 7 constituent items.
• A global Involvement Potential Index can be calculated by summing all 28 items (range: 28 to 196), reflecting the overall breadth and intensity of an individual’s capacity for erotic involvement.
• In couples counseling, a Dyadic Path Congruence Index is derived by calculating the absolute difference between partners’ scores on each subscale, where smaller difference scores indicate higher scripted compatibility.

Permissions & Fee and Test Year

The foundational conceptualization of sexual involvement theory and path preferences was published by Donald L. Mosher in 1980, followed by extensive experimental validation by Mark I. Sirkin in 1985. The instruments developed by Dr. Mosher were historically placed in the public domain for non-commercial academic research and clinical diagnostic purposes, consistent with his dedication to the open advancement of sexology and psychometric assessment. Researchers and clinical practitioners may administer and reproduce the instrument for non-commercial scholarly and therapeutic investigations without payment of royalties, provided appropriate bibliographic attribution is accorded to Dr. Donald L. Mosher and the University of Connecticut. Commercial distribution, integration into proprietary diagnostic software suites, or corporate commercial applications require explicit licensing arrangements through the copyright holders or representative academic estates.

References

• Mosher, D. L. (1980). Three dimensions of depth of involvement in human sexual response. The Journal of Sex Research, 16(1), 1–42. https://doi.org/10.1080/00224498009551061
• Mosher, D. L., & Abramson, P. R. (1977). Subjective sexual arousal to films of masturbation. Journal of Consulting and Clinical Psychology, 45(5), 796–807. https://doi.org/10.1037/0022-006X.45.5.796
• Sirkin, M. I. (1985). Sexual involvement theory, sexual trance, and hypnotizability: The experimental use of guided imagery (Doctoral dissertation, University of Connecticut). Dissertation Abstracts International, 46(12), 4417B.
• Simon, W., & Gagnon, J. H. (1986). Sexual scripts: Permanence and change. Archives of Sexual Behavior, 15(2), 97–120. https://doi.org/10.1007/BF01542219
• Tellegen, A., & Atkinson, G. (1974). Openness to absorbing and self-altering experiences (“absorption”), a trait related to hypnotic susceptibility. Journal of Abnormal Psychology, 83(3), 268–277. https://doi.org/10.1037/h0036681
• Tomkins, S. S. (1962). Affect, imagery, consciousness: Vol. 1. The positive affects. Springer Publishing Company.
• Wiederman, M. W. (2015). Sexual script theory: Past, present, and future. In J. DeLamater & R. F. Plante (Eds.), Handbook of the Sociology of Sexualities (pp. 7–22). Springer International Publishing. https://doi.org/10.1007/978-3-319-17341-2_2

13. Items of the Scale (Questionnaire)