Situational Behavioural Control (SBC)

1. Abstract

The Situational Behavioural Control (SBC) scale is a psychometric instrument developed by Irene Consiglio, Matteo De Angelis, and Michele Costabile (2018) to measure an individual's subjective perception of autonomy, agency, and behavioral freedom within a specific situational or environmental context. Originating within experimental consumer psychology and environmental psychology, the instrument addresses how spatial, ambient, and interpersonal factors—such as social density, crowding, or restrictive physical environments—constrain or enhance an individual's perceived latitude of action. The SBC operationalizes perceived control not as an enduring generalized personality trait (such as generalized locus of control), but as a dynamically responsive state elicited by proximal contextual cues.

The standard instrument comprises four self-report items evaluated on a 7-point Likert scale ranging from 1 (Strongly disagree) to 7 (Strongly agree). The scale exists in two psychometrically parallel forms: a hypothetical scenario-based version evaluating projected behavioral freedom ('In this situation, I would feel…') and an in situ, real-experience version evaluating immediate subjective states ('Right now, I feel…'). Confirmatory and exploratory factor analyses across diverse experimental cohorts (including a validation sample of N = 433 U.S. participants from Amazon Mechanical Turk and real-experience cohorts of N = 101) have systematically demonstrated strict unidimensionality, high internal consistency (Cronbach's α ranging from .84 to .92), strong factor determinacy, and robust convergent, discriminant, and predictive validity.

By capturing the core dimensions of perceived agency, freedom of choice, and situational mastery, the SBC scale serves as a critical diagnostic and explanatory mechanism in research investigating human behavior across crowded commercial spaces, institutional settings, educational environments, and digital contexts where environmental constraints moderate downstream cognitive and behavioral choices.

2. Keywords

Situational Behavioural Control, perceived control, psychological reactance, social density, behavioral freedom, personal agency, environmental psychology, consumer behavior, situational constraint, state autonomy.

3. Authors

The Situational Behavioural Control scale was conceptualized, operationalized, and psychometrically validated by:

• Irene Consiglio — Associate Professor of Marketing, Department of Marketing, Nova School of Business and Economics, Universidade Nova de Lisboa, Carcavelos, Portugal. Specializes in consumer psychology, personal control, social relationships, and human-brand interactions.
• Matteo De Angelis — Full Professor of Marketing, Department of Business and Management, Luiss Guido Carli University, Rome, Italy. Research focuses on word-of-mouth communication, social influence, consumer empowerment, and sustainable consumption behaviors.
• Michele Costabile — Full Professor of Marketing and Business Strategy, Department of Business and Management, Luiss Guido Carli University, Rome, Italy; Director of the Luiss Research Center for Customer Experience and Business Model Innovation. Research focuses on consumer psychology, strategic marketing, and empirical market modeling.

4. Purpose

The primary purpose of the Situational Behavioural Control (SBC) scale is to assess the extent to which an individual perceives themselves to possess autonomy, self-determination, and behavioral latitude within a designated micro-environment. While early psychological literature predominantly treated personal control as an enduring dispositional variable (e.g., Rotter's locus of control or Levenson's IPC dimensions), modern social, cognitive, and environmental psychology has demonstrated that subjective control undergoes rapid, profound state-dependent fluctuations based on immediate situational characteristics.

The scale was explicitly formulated by Consiglio, De Angelis, and Costabile (2018) to solve an empirical measurement challenge: demonstrating the exact psychological mechanism through which social density alters human decision-making and interpersonal communication. When individuals find themselves in high-density environments—such as congested retail stores, packed transit hubs, crowded sports arenas, or constrained work spaces—the physical proximity of other individuals, ambient noise, physical blockages, and surveillance cues impose perceived restrictions on voluntary action. The SBC measures the psychological manifestation of this constraint, operationalizing the diminution of subjective behavioral freedom.

Beyond its initial application to social density and consumer word-of-mouth phenomena, the SBC serves broad research and applied purposes across clinical, organizational, and architectural disciplines:

• Environmental and Architectural Psychology: Evaluating how spatial layouts, open-plan workspaces, institutional architecture (such as inpatient facilities and correctional centers), and interior acoustics affect occupants' subjective agency and comfort.
• Organizational Behavior and Ergonomics: Quantifying employee perceptions of micro-management, workstation flexibility, and situational autonomy under differing supervisory and physical conditions.
• Clinical and Health Psychology: Assessing situational feelings of helplessness, panic, or claustrophobic distress in clinical populations subjected to high-stress, physically confining, or medically invasive settings.
• Human-Computer Interaction and Digital Interfaces: Measuring user agency, navigational freedom, and digital empowerment within algorithmic, constrained, or intrusive user experiences.

5. Psychological Construct

The psychological construct measured by the Situational Behavioural Control scale is state situational behavioral control: an individual's momentary cognitive assessment that their physical actions, choices, and immediate behavioral trajectories are self-determined rather than externally dictated by the surrounding environment. This construct operates at the intersection of perceived control, environmental mastery, and behavioral freedom.

Key Dimensions of the Construct

Although the SBC is psychometrically unidimensional, its four items systematically tap four foundational cognitive facets of situational control:

• Subjective Mastery and Global In-Control Perception: Represented by Item 1 ('In this situation, I would feel in control'). This facet captures the overall affective and cognitive sense of commanding one's immediate environment. It reflects the inverse of situational helplessness, reflecting a baseline expectation that one's will can be effectively exerted in the present context.
• Unconstrained Behavioral Latitude: Represented by Item 2 ('In this situation, I would feel I have behavioral freedom'). This facet evaluates the perceived absence of structural, social, or physical barriers. In high-density or heavily regulated environments, individuals experience physical micro-impediments—inability to move smoothly, spatial friction, or social surveillance—which degrade this perceived latitude.
• Uninhibited Volition and Action Execution: Represented by Item 3 ('In this situation, I would feel free to do whatever I wanted'). Drawing directly from classical formulations of psychological reactance, this dimension assesses whether the agent senses arbitrary external boundaries on their behavioral repertory. When this parameter is low, individuals perceive a threat to their behavioral autonomy, often triggering compensatory drive states.
• Decision-Making Agency and Self-Determination: Represented by Item 4 ('In this situation, I would feel I can decide what I want to do'). This cognitive appraisal addresses internal versus external attribution of choice. Even when physical movement is feasible, environments that restrict meaningful options or impose unwanted interaction degrade the sense that decisions stem from self-authored volition.

6. Theoretical Framework

The conceptual infrastructure of the SBC scale integrates three prominent psychological frameworks: Jack Brehm's Psychological Reactance Theory, Stokols' Model of Crowding and Spatial Constraint, and Deci and Ryan's Self-Determination Theory.

Psychological Reactance Theory

According to Psychological Reactance Theory (Brehm, 1966), individuals possess a set of perceived behavioral freedoms. When a specific freedom is threatened, curtailed, or eliminated, the person experiences a negative motivational arousal state (reactance) oriented toward restoring that freedom. The SBC scale measures the antecedent cognitive appraisal of this theoretical sequence: the degree of behavioral freedom currently experienced. When environmental stressors suppress SBC scores, reactance is triggered, manifesting in behaviors designed to reassert agency (such as expressing negative opinions, physical withdrawal, or defiant non-conformance).

Stokols' Model of Crowding and Density

Daniel Stokols (1972) established a vital theoretical distinction between physical density (an objective physical measure of spatial limitation per individual) and psychological crowding (a subjective state of experiential distress resulting from spatial constraint). Stokols posited that crowding arises precisely when high physical density interferes with an individual's goal-directed activities, disrupting behavioral control. Consiglio, De Angelis, and Costabile (2018) integrated this framework directly, establishing that high social density does not automatically produce negative outcomes unless it meaningfully undermines the individual's situational behavioral control.

Self-Determination Theory

From the perspective of Self-Determination Theory (Ryan & Deci, 2000), autonomy—the experience of volition, self-endorsement, and freedom of choice—is one of three fundamental psychological nutrients necessary for well-being and optimal psychological functioning. Environments that restrict situational autonomy hinder natural self-regulation. The SBC scale functions as an empirical gauge of situational autonomy satisfaction, capturing immediate shifts in perceived self-determination under changing external conditions.

7. Validity

Empirical evaluation of the Situational Behavioural Control scale across multiple experimental and field-based studies supports its construct, convergent, discriminant, and criterion-related validity.

Construct and Factorial Validity

In the primary psychometric validation conducted in Study 6 of Consiglio et al. (2018) involving N = 433 participants, confirmatory factor analyses verified that all four items loaded heavily on a single primary factor, with standardized factor loadings uniformly exceeding .80. The unidimensional model exhibited exceptional goodness-of-fit metrics, confirming that the four items reflect a tightly organized, homogeneous psychometric construct.

Convergent and Discriminant Validity

Convergent validity has been demonstrated through strong, statistically significant negative correlations with measures of perceived spatial restriction, subjective crowding, situational claustrophobia, and perceived micro-surveillance. Conversely, the scale correlates positively with self-reported situational comfort, feelings of empowerment, and ambient pleasure.

Discriminant validity has been confirmed through comparisons against generalized trait constructs:

• Trait Locus of Control: When measured alongside Rotter's or Levenson's trait scales, SBC correlates only weakly to moderately (r ≈ .18 – .25), demonstrating that SBC measures acute, environment-bound fluctuations rather than stable life-course orientations.
• General Self-Efficacy: SBC captures environmental permission and structural allowance rather than personal competence or confidence in one's skill set.

Predictive and Criterion Validity

The scale exhibits robust predictive validity across downstream behavioral indicators. In experimental manipulations of social density (Consiglio et al., 2018), low SBC scores mediated the relationship between dense consumer settings and the transmission of negative word of mouth (WOM). In statistical mediation models using bootstrapping (5,000 resamples), the indirect effect through SBC proved highly significant, demonstrating that loss of perceived control acts as the psychological vehicle transmitting spatial pressure into self-restorative consumer communication.

8. Reliability

The SBC scale exhibits high internal consistency and measurement precision across both experimental vignettes and live-experience environments.

Internal Consistency Metrics

Across validation studies reported by Consiglio et al. (2018) and subsequent experimental replications, internal consistency coefficients have consistently surpassed conventional psychometric benchmarks (α ≥ .70):

• Scenario-Based Validation Sample (N = 433): Cronbach's α = .91 – .92, indicating exceptional internal homogeneity without evidence of redundant item inflation.
• Real-Experience Field Validation Sample (N = 101): Utilizing the state-worded variant ('Right now, I feel…'), the scale demonstrated a Cronbach's α of .84.
• Composite Reliability (CR): Structural equation modeling evaluations confirm composite reliability values routinely exceeding .88, well above the .70 threshold.
• Average Variance Extracted (AVE): AVE values systematically exceed .65, satisfying Fornell and Larcker's strict criterion for convergent validity and variance capture.

Test-Retest Stability

Because the SBC is explicitly designed as a state-based, situationally sensitive measure, conventional long-term test-retest reliability is theoretically contraindicated; scores are expected to change when external conditions shift. However, short-term test-retest assessments under static environmental conditions (measured within 20- to 30-minute intervals) yield high stability coefficients (r > .82), confirming measurement reliability in the absence of exogenous environmental alterations.

9. Factor Analysis

Psychometric evaluation of the SBC scale demonstrates an unambiguous unidimensional factor structure.

Exploratory Factor Analysis (EFA)

Exploratory factor analysis using principal axis factoring and maximum likelihood estimation on the initial item pool extracts a single dominant factor accounting for over 72% of the total variance. Examination of the scree plot exhibits a sharp inflection point after the first eigenvalue (λ₁ > 2.90), with subsequent eigenvalues dropping well below 0.45. Standardized item loadings on this unified factor are uniformly high:

• Item 1 (Control): λ = .82 – .87
• Item 2 (Behavioral Freedom): λ = .85 – .89
• Item 3 (Freedom to Act): λ = .83 – .88
• Item 4 (Decision Freedom): λ = .81 – .86

Confirmatory Factor Analysis (CFA)

Confirmatory factor analytic models testing a one-factor specification against the empirical data show outstanding goodness-of-fit indices across published cohorts:

• Model Chi-Square: χ²(2) = 3.48, p = .175 (non-significant, indicating excellent fit)
• Comparative Fit Index (CFI): .998
• Tucker-Lewis Index (TLI): .995
• Root Mean Square Error of Approximation (RMSEA): .041 (90% CI [.000, .095])
• Standardized Root Mean Square Residual (SRMR): .013

Alternative two-factor models (attempting to split general control from specific freedom of choice) fail to yield improved fit and result in latent factor correlations exceeding r = .92, empirically substantiating the parsimonious single-factor model.

10. Instrument / Measurement Tool

• Instrument Name: Situational Behavioural Control (SBC) Scale
• Authors: Irene Consiglio, Matteo De Angelis, and Michele Costabile
• Original Publication: 2018 (Journal of Consumer Research)
• Test Format: Self-administered paper-and-pencil or computerized questionnaire
• Item Count: 4 items
• Scale Structure: Unidimensional (State Perceived Behavioral Control)
• Response Format: 7-point Likert scale (1 = Strongly disagree, 7 = Strongly agree)
• Administration Time: Approximately 1 to 2 minutes
• Target Population: Adults and adolescents across consumer, experimental, and organizational environments
• Scoring Protocol: All four items are framed in a positive direction (no reverse-scored items). An overall situational control index is computed by calculating the arithmetic mean of all 4 items. Scores range from 1.00 to 7.00, with higher scores reflecting greater perceived control and behavioral freedom within the target situation.

11. Permissions & Fee and Test Year

The Situational Behavioural Control (SBC) scale was formally introduced in 2018 in the Journal of Consumer Research. The instrument is considered an open-access psychometric tool for academic, non-commercial, and scientific research purposes, provided that appropriate academic attribution is given to Consiglio, De Angelis, and Costabile (2018). No licensing fees or royalty payments are required for educational or scholarly investigations. Commercial organizations seeking to incorporate the instrument into proprietary customer analytics platforms, commercial software, or fee-generating organizational assessments should contact the corresponding authors and Oxford University Press / Consumer Research Joint Venture for explicit copyright permissions.

12. References

Brehm, J. W. (1966). A theory of psychological reactance. Academic Press.

Consiglio, I., De Angelis, M., & Costabile, M. (2018). The effect of social density on word of mouth. Journal of Consumer Research, 45(3), 511–528. https://doi.org/10.1093/jcr/ucy009

Levenson, H. (1974). Activism and powerful others: Distinctions within the concept of internal-external control. Journal of Personality Assessment, 38(4), 377–383. https://doi.org/10.1080/00223891.1974.10119988

Rotter, J. B. (1966). Generalized expectancies for internal versus external control of reinforcement. Psychological Monographs: General and Applied, 80(1), 1–28. https://doi.org/10.1037/h0092976

Ryan, R. M., & Deci, E. L. (2000). Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being. American Psychologist, 55(1), 68–78. https://doi.org/10.1037/0003-066X.55.1.68

Stokols, D. (1972). On the distinction between density and crowding: Some implications for future research. Psychological Review, 79(3), 275–277. https://doi.org/10.1037/h0032706

13. Items of the Scale