Thrill and Adventure Seeking (TAS)

Abstract

The Thrill and Adventure Seeking (TAS) subscale is one of the most empirically validated and widely utilized psychometric instruments designed to assess an individual’s dispositional inclination toward engaging in physically demanding, novel, and perilous activities. Originating as a foundational component of Marvin Zuckerman’s Sensation Seeking Scale (SSS-IV and SSS-V), the TAS specifically isolates the propensity for physical risk, high speed, gravity-defying sports, and unusual kinesthetic sensations, distinguishing these behaviors from antisocial, illegal, or purely social expressions of sensation seeking. Comprising 14 forced-choice paired statements or adapted Likert-scale statements, the TAS captures desires for activities such as skydiving, scuba diving, mountaineering, downhill skiing, and high-speed driving. Psychometric evaluations across diverse clinical, non-clinical, athletic, and consumer populations have demonstrated robust construct validity, factorial invariance across diverse cross-cultural cohorts, high test-retest stability ($r_{tt} = .75$ to $.89$), and satisfactory internal consistency (Cronbach’s $\alpha$ typically ranging between $.77$ and $.88$). Recent applications, such as research by Klesse, Cornil, Dahl, and Gros (2019), demonstrate the subscale’s versatile utility in assessing consumer adventurous self-image and behavioral congruence. This article provides a comprehensive psychometric review of the TAS, including its theoretical foundations in optimal arousal and monoaminergic neurobiology, structural validity, reliability parameters, administration protocols, and full inventory items.

Keywords

Thrill and Adventure Seeking, Sensation Seeking Scale, Marvin Zuckerman, Optimal Level of Arousal, Risk-Taking Behavior, Extreme Sports, Psychometrics, Personality Assessment, Behavioral Activation System, Factorial Validity

Authors

The Thrill and Adventure Seeking (TAS) construct was originally developed, operationalized, and validated by Marvin Zuckerman (1928–2018), Professor Emeritus of Clinical Psychology at the University of Delaware. Zuckerman pioneered research into sensation seeking, spending over four decades delineating its biological, psychological, and psychometric dimensions.

In contemporary applied psychological and behavioral research, the TAS subscale has been adapted as an independent, unidimensional instrument to assess adventure orientation and adventurous self-concept by researchers including Anne-Kathrin Klesse (Rotterdam School of Management, Erasmus University), Yann Cornil (Sauder School of Business, University of British Columbia), Darren W. Dahl (Sauder School of Business, University of British Columbia), and Nailya Gros (University of St. Gallen).

Purpose

The primary purpose of the Thrill and Adventure Seeking (TAS) scale is the psychometric assessment of an individual’s general willingness and desire to engage in physically risky, thrilling, high-speed, or physiologically stimulating physical activities. Developed initially within the broader structural framework of the Sensation Seeking Scale (SSS), the TAS serves a distinct diagnostic and empirical purpose: isolating physical thrill-seeking desires from other facets of sensation seeking, such as social disinhibition, Bohemian lifestyle choices (Experience Seeking), or aversion to routine (Boredom Susceptibility).

From a theoretical perspective, the TAS assesses individual differences in tolerance for physical peril, fear responsiveness, and vestibular stimulation. It seeks to answer why certain individuals actively pursue activities characterized by extreme kinetic and gravitational forces (e.g., parachute jumping, mountain climbing, river kayaking), whereas others display pronounced avoidance or aversion to identical environmental conditions. The instrument measures an individual’s *desire* or *attitudinal inclination* toward these activities, intentionally circumventing variations in geographic, financial, or physical opportunity that might otherwise confound behavioral measures of extreme sports participation.

In clinical and counseling psychology, the TAS aids in profiling risk-taking dispositions, clarifying whether an individual’s high sensation-seeking profile expresses itself through socially acceptable, physically healthy avenues (e.g., wilderness expedition, competitive athletics) or whether it manifests in dangerous impulsivity, vehicular recklessness, or pathological behavioral patterns. In occupational and military psychology, the scale informs selection protocols for vocations requiring calm performance under extreme physical stress, rapid changes in altitude or velocity, and controlled exposure to peril, such as search-and-rescue teams, military aviation, naval diving, and specialized tactical operations. In modern consumer behavior and marketing contexts, the TAS operationalizes adventurous self-concept, providing insights into how perceived product customization aligns with consumers’ self-schemas and adventurous identities (Klesse et al., 2019).

Psychological Construct

The psychological construct of Thrill and Adventure Seeking represents a specific, higher-order facet of the broader sensation-seeking personality trait, defined by Zuckerman as the pursuit of novel, complex, and intense sensations and experiences, accompanied by the willingness to incur physical, social, legal, and financial risks for the sake of such experience. Unlike generalized impulsivity, sensation seeking—and TAS in particular—is characterized by proactive, deliberate pursuit rather than a mere deficit in behavioral inhibition.

The TAS specifically taps into the kinesthetic, vestibular, and visceral excitement generated by high-velocity motion, defying gravity, conquering natural barriers, and exposing oneself to acute, controllable physical danger. The construct is multi-layered, reflecting several psychological mechanisms:

• Preference for Novel and Intense Sensory Feedback: Individuals scoring high on TAS exhibit a distinct preference for intense visual, vestibular, and proprioceptive inputs, such as the sensation of rapid free-fall during skydiving or dynamic equilibrium adjustments while surfing or water skiing.
• Attenuated Fear Response and Threat Appraisal: Whereas low-TAS individuals evaluate situations involving altitude, speed, or deep water as threats warranting avoidance, high-TAS individuals appraise these exact cues as opportunities for exhilarating somatic activation. The perceived danger generates pleasurable physiological arousal rather than debilitating anxiety.
• Desire for Mastery in Perilous Environments: High-TAS individuals actively seek settings that demand acute sensory vigilance and motor coordination under physically demanding circumstances (e.g., navigating a kayak down white-water rapids or driving a sports car at high speeds).

Psychometrically, TAS differs critically from the other three subscales of Zuckerman’s Sensation Seeking Scale:

• Experience Seeking (ES): Measures the pursuit of sensory and cognitive novelty through unconventional lifestyles, art, music, travel, and non-conformity, lacking the physical danger component central to TAS.
• Disinhibition (Dis): Measures the search for sensation through socially uninhibited avenues, such as heavy social drinking, wild parties, gambling, and casual sexual encounters.
• Boredom Susceptibility (BS): Assesses an individual’s restlessness, low tolerance for repetitive routines, and irritability when exposed to unchanging stimuli.

By focusing specifically on speed, altitude, open water, and perilous terrain, TAS isolates the physical, somatic dimension of sensation seeking from its social, cognitive, and hedonic counterparts.

Theoretical Framework

The theoretical architecture undergirding the TAS is rooted in Optimal Level of Arousal (OLA) and Optimal Level of Stimulation (OLS) models, pioneered by theorists such as Donald Hebb and expanded extensively by Marvin Zuckerman (1979, 1994). According to optimal arousal theory, every organism possesses an endogenous, biologically determined baseline level of physiological and cortical arousal. Individuals perform and feel best when their arousal level is maintained near an optimal set point. Deviations below this set point manifest as dysphoria, apathy, and boredom, driving the individual to seek stimulating external environments. Deviations above this set point generate overwhelming distress and anxiety, prompting withdrawal.

Zuckerman posited that high-TAS individuals possess a chronically low baseline level of central nervous system arousal or a higher biological set point for optimal arousal. Consequently, mundane daily activities leave them under-aroused. To reach their homeostatic optimum, they require hyper-stimulating inputs characterized by high sensory intensity, unpredictable environmental feedback, and moderate physical risk. For these individuals, the sympathetic nervous system surge—characterized by epinephrine release, tachycardia, and heightened sensory acuity—is experienced as rewarding and subjectively positive.

Biological and neurochemical investigations have linked TAS to the monoaminergic neurotransmitter systems:

• Dopaminergic Hyper-Responsiveness: Sensation seeking is closely linked to the mesolimbic dopamine pathway, the brain’s core reward and reinforcement circuit. High-TAS individuals demonstrate heightened dopamine receptor sensitivity (notably $D_4$ dopamine receptors, linked to the DRD4 exon III variable number of tandem repeats polymorphism), leading to greater hedonic rewards when anticipating or engaging in novel, exhilarating activities.
• Low Monoamine Oxidase (MAO) Activity: Sensation seeking consistently correlates negatively with platelet monoamine oxidase (MAO) levels. Platelet MAO activity serves as an indirect peripheral marker for central monoaminergic turnover; low MAO activity reflects reduced degradation of neurotransmitters like dopamine and norepinephrine, facilitating elevated behavioral approach tendencies.
• Serotonergic Modulation: Central serotonin ($5\text{-HT}$) systems function as a biological brake on behavioral approach and behavioral disinhibition. Reduced serotonergic tone or lower availability of serotonin transporter proteins attenuates warning signals regarding potential harm, enabling high-TAS individuals to approach physical peril with diminished behavioral inhibition.

Furthermore, the TAS aligns directly with Jeffrey Gray’s Reinforcement Sensitivity Theory (RST). High-TAS scorers exhibit a dominant Behavioral Approach System (BAS)—specifically high sensitivity to reward anticipation and non-punishing stimuli—coupled with a selective calibration of the Fight-Flight-Freeze System (FFFS), which suppresses panic responses in physical contexts while maintaining acute, goal-directed vigilance.

Validity

The Thrill and Adventure Seeking subscale possesses extensive empirical support confirming its construct, convergent, discriminant, and predictive validity across numerous independent investigations and international translations.

Construct and Factorial Validity

Construct validity was established across foundational factor-analytic studies of the SSS-IV and SSS-V (Zuckerman, 1971, 1979). In both exploratory and confirmatory factor analyses conducted on diverse international cohorts (including North American, European, Australian, and Asian samples), the 14 TAS items consistently converge onto a clean, distinct factor. Cross-loadings with Disinhibition, Boredom Susceptibility, and Experience Seeking are minimal, demonstrating robust factorial validity. In unidimensional applications, such as that by Klesse et al. (2019), confirmatory factor analyses verified that all 14 items loaded significantly on a solitary latent “adventurousness” construct, satisfying rigorous psychometric standards for unidimensionality.

Convergent Validity

The TAS demonstrates strong, theoretically predicted convergent correlations with validated personality and behavioral measures:

• Eysenck’s Extraversion ($E$) and Psychoticism ($P$): TAS correlates positively with the Extraversion subscale of the E Prime Personality Questionnaire ($r \approx .35$ to $.50$), reflecting outgoing, assertive approach behavior, and shows modest positive correlations with Psychoticism ($r \approx .20$ to $.35$), indicative of tough-mindedness and low fearfulness.
• Cloninger’s Novelty Seeking: In studies utilizing the Tridimensional Personality Questionnaire (TPQ) and the Temperament and Character Inventory (TCI), TAS exhibits substantial positive correlations ($r > .55$) with Novelty Seeking, particularly the Exploratory Excitability sub-dimension.
• Five-Factor Model (FFM): TAS aligns systematically with the Openness to Experience domain (specifically Openness to Actions, $r \approx .40$) and Extraversion (Excitement-Seeking facet, $r \approx .60$ to $.70$).

Discriminant Validity

Discriminant validity is evidenced by near-zero or non-significant correlations with measures of generalized anxiety, trait neuroticism, and social phobia. Unlike generalized impulsivity measures that correlate strongly with emotional instability, the TAS typically demonstrates negligible relationships with the Neuroticism scale of the Revised NEO Personality Inventory (NEO-PI-R; $r$ ranging from $-.08$ to $.05$). Additionally, TAS diverges from measures of social or financial risk-taking (e.g., Domain-Specific Risk-Taking Scale, DOSPERT), showing that high scores reflect a preference for somatic-physical danger rather than ethical or social rule-breaking.

Predictive and Criterion Validity

Criterion validity for the TAS is robust. Multiple empirical studies confirm that TAS scores successfully discriminate participants in extreme sports from sedentary or non-extreme sport control groups:

• Skydiving, mountaineering, scuba diving, and white-water kayaking participants score significantly higher on the TAS ($p < .001$, Cohen’s $d$ often exceeding $1.0$) compared to athletes engaged in low-risk sports (e.g., bowling, swimming laps) or non-athletes.
• Prospective studies indicate that baseline TAS scores predict subsequent enrollment in adventurous military training, willingness to volunteer for hazardous assignments, and engagement in recreational pursuits like motorcycling or high-speed track driving.

Reliability

The psychometric reliability of the Thrill and Adventure Seeking subscale has been established through both internal consistency indices and test-retest longitudinal stability evaluations.

Internal Consistency

Across numerous demographic samples, the TAS subscale demonstrates strong internal consistency. In Zuckerman’s original validation studies for Form V of the Sensation Seeking Scale, Cronbach’s alpha ($lpha$) coefficients for the TAS subscale ranged from $.81$ to $.86$ among undergraduate males and females. Subsequent studies spanning five decades have confirmed these figures:

• In extensive normative samples ($N > 1,000$), internal consistency values consistently range between $\alpha = .77$ and $\alpha = .88$.
• In the single-factor adaptation utilized by Klesse et al. (2019), the 14-item scale displayed excellent internal reliability, yielding Cronbach’s alpha values exceeding $.85$.
• McDonald’s coefficient omega ($\omega_t$ and $\omega_h$) values computed in recent psychometric reassessments consistently exceed $.80$, indicating that item variance is overwhelmingly attributable to the latent thrill-seeking trait rather than measurement error.

Test-Retest Reliability

Because the TAS assesses a stable, biologically anchored personality trait, test-retest correlations remain high across short, medium, and extended temporal intervals:

• Over a 3-week test-retest interval, Zuckerman reported stability coefficients of $r_{tt} = .89$ for males and $r_{tt} = .87$ for females.
• Over a 6-month interval, stability estimates remain solid, typically hovering between $r_{tt} = .75$ and $r_{tt} = .82$.
• Longitudinal studies tracking cohorts over multi-year intervals indicate that while overall sensation seeking gradually declines across the lifespan after peaking in late adolescence, individual rank-order stability for TAS remains high ($r > .60$ across decade-long follow-ups).

Factor Analysis

The factorial structure of the Sensation Seeking Scale has undergone extensive empirical scrutiny using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis (EFA)

In Zuckerman’s seminal factor-analytic investigations, principal components analysis (PCA) with orthogonal (Varimax) and oblique (Promax) rotations consistently yielded a robust four-factor solution across genders. The 14 items designated as the Thrill and Adventure Seeking subscale loaded distinctly on the first or second extracted orthogonal component, accounting for the largest proportion of common variance among all items (frequently between $15%$ and $25%$ of total variance). Factor loadings for the 14 items were exceptionally clean, with primary loadings ranging from $.45$ to $.78$, and negligible cross-loadings (rarely exceeding $.20$) onto the Disinhibition, Experience Seeking, or Boredom Susceptibility factors.

Confirmatory Factor Analysis (CFA)

Contemporary psychometric evaluations employing CFA have verified both the multidimensional structure of the SSS-V and the standalone unidimensional validity of the 14-item TAS subscale. In structural equation modeling (SEM) investigations, the single-factor TAS specification demonstrated acceptable to superior goodness-of-fit indices:

• Comparative Fit Index (CFI): Ranges typically from $.92$ to $.96$, surpassing the standard $.90$ threshold.
• Tucker-Lewis Index (TLI): Typically spans $.90$ to $.95$, indicating adequate model fit.
• Root Mean Square Error of Approximation (RMSEA): Values regularly range between $.042$ and $.065$, with $90%$ confidence intervals firmly below the $.08$ cutoff for acceptable approximation error.
• Standardized Root Mean Square Residual (SRMR): Values consistently remain below $.055$.

Item-level standardized factor loadings ($lambda$) within CFA models generally range between $.48$ (e.g., diving off the high board or surface swimming vs. snorkel diving) and $.76$ (e.g., parachute jumping, learning to fly an airplane, and water skiing). These results indicate strong convergent validity at the latent item level, confirming that the 14 items measure a cohesive, unified latent construct.

Instrument / Measurement Tool

• Construct Measured: Thrill and Adventure Seeking (TAS); adventurous self-image; preference for novel, high-speed, and physically challenging activities.
• Test Format: Standardized self-report inventory; paper-and-pencil or computer-administered survey.
• Item Count: 14 items (paired comparative statements in original form; single declarative statements in adapted Likert versions).
• Response Scale: Forced-choice paired statements (A vs. B) or Likert-type rating when adapted as single statements (e.g., 1 = Strongly disagree to 7 = Strongly agree).
• Administration Time: Approximately 3 to 5 minutes.
• Target Population: Adolescents and adults (ages 16 and older).
• Scoring Rules:
  • Original Forced-Choice Format: One point is scored for each sensation-seeking choice selected (Option A or Option B depending on the key). Total raw scores range from 0 to 14. Higher scores reflect greater thrill and adventure seeking.
  • Scoring Key for Forced-Choice Format:
    • Item 1: Choice A = 1 pt (Choice B = 0)
    • Item 2: Choice A = 1 pt (Choice B = 0)
    • Item 3: Choice A = 1 pt (Choice B = 0)
    • Item 4: Choice A = 1 pt (Choice B = 0)
    • Item 5: Choice A = 1 pt (Choice B = 0)
    • Item 6: Choice A = 1 pt (Choice B = 0)
    • Item 7: Choice A = 1 pt (Choice B = 0)
    • Item 8: Choice A = 1 pt (Choice B = 0)
    • Item 9: Choice A = 1 pt (Choice B = 0)
    • Item 10: Choice B = 1 pt (Choice A = 0)
    • Item 11: Choice A = 1 pt (Choice B = 0)
    • Item 12: Choice A = 1 pt (Choice B = 0)
    • Item 13: Choice A = 1 pt (Choice B = 0)
    • Item 14: Choice A = 1 pt (Choice B = 0)
  • Adapted Likert-Type Format: When sensation-seeking statements are presented as individual items (e.g., 1 to 7 Likert scale), items are averaged or summed, reverse-scoring any conservative statements if included, to generate an aggregate adventurousness index.

Permissions & Fee and Test Year

The Thrill and Adventure Seeking subscale was first published by Marvin Zuckerman in 1971 as part of the Sensation Seeking Scale Form IV, with its definitive standard version incorporated into Form V in 1978 (Zuckerman et al., 1978). The instrument is widely considered an open academic psychometric instrument for non-commercial educational and scientific research purposes, provided appropriate attribution and scholarly citation are given to the original works of Marvin Zuckerman.

Commercial applications, clinical battery repackaging, or proprietary deployment may require formal permissions or licensing fees through academic publishers or the estate holding the intellectual copyright for Zuckerman’s psychometric works. Researchers wishing to utilize the specific adaptation employed by Klesse et al. (2019) should consult the Journal of Marketing Research and adhere to standard fair-use academic citation protocols.

References

• Cloninger, C. R. (1987). A systematic method for clinical description and classification of personality variants: A proposal. Archives of General Psychiatry, 44(6), 573–588. https://doi.org/10.1001/archpsyc.1987.01800180093014
• Hebb, D. O. (1955). Drives and the C.N.S. (conceptual nervous system). Psychological Review, 62(4), 243–254. https://doi.org/10.1037/h0041823
• Klesse, A.-K., Cornil, Y., Dahl, D. W., & Gros, N. (2019). The secret ingredient is me: Customization prompts self-image-consistent product perceptions. Journal of Marketing Research, 56(5), 879–893. https://doi.org/10.1177/0022243719859322
• Roberti, J. W. (2004). A review of behavioral and biological correlates of sensation seeking. Journal of Research in Personality, 38(3), 256–279. https://doi.org/10.1016/S0092-6566(03)00067-9
• Zuckerman, M. (1971). Dimensions of sensation seeking. Journal of Consulting and Clinical Psychology, 36(1), 45–52. https://doi.org/10.1037/h0031152
• Zuckerman, M. (1979). Sensation seeking: Beyond the optimal level of arousal. Lawrence Erlbaum Associates.
• Zuckerman, M. (1994). Behavioral expressions and biosocial bases of sensation seeking. Cambridge University Press. https://doi.org/10.1017/CBO9780511752940
• Zuckerman, M. (2007). Sensation seeking and risky behavior. American Psychological Association. https://doi.org/10.1037/11555-000
• Zuckerman, M., Eysenck, S. B., & Eysenck, H. J. (1978). Sensation seeking in England and America: Cross-cultural, age, and sex comparisons. Journal of Consulting and Clinical Psychology, 46(1), 139–149. https://doi.org/10.1037/0022-006X.46.1.139

Items of the Scale