Stress in General Scale

Abstract

The Stress in General (SIG) Scale is an established, psychometrically validated self-report instrument engineered to measure general, workplace-related psychological stress. Developed by Jeffrey M. Stanton, William K. Balzer, Patricia C. Smith, Luis F. Parra, and Gail Ironson in 2001 at Bowling Green State University, the scale emerged as an adjunct to the globally recognized Job Descriptive Index (JDI). Comprising 15 concise adjective or brief phrase descriptors, the SIG evaluates an employee’s overarching cognitive appraisal of occupational stress rather than isolating discrete, idiosyncratic stressors or specific somatic complaints. Psychometric evaluations demonstrate that the instrument bifurcates into two distinct yet correlated second-order subdimensions: Pressure (reflecting feelings of time urgency, workload overload, and frantic pacing) and Threat (reflecting deeper emotional strain, unpredictability, and psychological distress).

Administratively, the instrument utilizes either the traditional trichotomous JDI scoring architecture (“Yes” = 3, “No” = 0, “?” / “Cannot Decide” = 1.5) or an adapted five-point Likert-type frequency metric (ranging from 1 = Never to 5 = All of the time). The scale demonstrates exceptional psychometric robustness, exhibiting Cronbach’s alpha coefficients typically exceeding α = .88 for the Pressure subscale, α = .82 for the Threat subscale, and α = .91 for the aggregate composite scale. Extensive construct, convergent, discriminant, and criterion-related validity analyses affirm that the SIG distinctly separates affective stress appraisal from job satisfaction, negative affectivity, and somatic physical symptoms while exhibiting high predictive power regarding organizational turnover intentions, employee burnout, and counterproductive work behaviors.

Keywords

Stress in General Scale, SIG, occupational stress, work-related strain, Job Descriptive Index, cognitive appraisal, psychometrics, job strain, employee well-being, Pressure, Threat, organizational psychology.

Authors

The Stress in General Scale was developed through a collaborative psychometric research program based within the Department of Psychology at Bowling Green State University (BGSU), home to the long-standing Job Descriptive Index research team:

• Jeffrey M. Stanton, Ph.D. – Professor of Information Studies and Psychology, School of Information Studies, Syracuse University (previously associated with Bowling Green State University). Specializes in psychometrics, organizational behavior, occupational health psychology, and workplace technology monitoring.
• William K. Balzer, Ph.D. – Professor Emeritus of Industrial-Organizational Psychology and Vice President for Faculty Affairs and Vice Provost, Bowling Green State University. Leading authority in performance evaluation, cognitive processes in decision-making, and organizational survey methodology.
• Patricia C. Smith, Ph.D. (1917–2007) – Professor Emerita of Psychology, Bowling Green State University. Pioneering American industrial and organizational psychologist, principal developer of the seminal Job Descriptive Index (JDI) and the Job in General (JIG) scale, and recipient of the Society for Industrial and Organizational Psychology (SIOP) Distinguished Scientific Contribution Award.
• Luis F. Parra, Ph.D. – Research Associate and Industrial-Organizational Psychometrician, Department of Psychology, Bowling Green State University.
• Gail Ironson, M.D., Ph.D. – Professor of Psychology and Psychiatry, University of Miami. Expert in behavioral medicine, psychoneuroimmunology, and the health manifestations of psychological stress.

Purpose

The primary impetus behind constructing the Stress in General (SIG) Scale was the urgent need within industrial and organizational psychology for an efficient, psychometrically sound, and theoretically unconfounded measure of global workplace stress. Prior to the introduction of the SIG, the vast majority of occupational stress inventories suffered from three critical methodological and conceptual limitations:

1. Conflation of Stressors and Strains: Many classical inventories conflated objective ambient workplace conditions (e.g., ambient noise, hazardous machinery, shift work, interpersonal conflict) with the psychological and emotional strain experienced by the worker. Such conflation violates the transactional principles of modern stress theories, which dictate that environmental demands only manifest as stress via subjective cognitive appraisal.
2. Conflation of Stress with Somatic Illness: Alternative inventories operationalized stress primarily through self-reported physical symptoms (e.g., gastrointestinal distress, headaches, sleep latency, cardiovascular palpitations). This confounded psychological strain with baseline physical health, preexisting medical conditions, aging, or unrelated physiological illnesses.
3. Excessive Length and Cognitive Burden: Comprehensive diagnostic stress batteries often contained dozens or hundreds of items, rendering them impractical for large-scale employee pulse surveys, longitudinal daily diary studies, or inclusion in expansive multivariate organizational assessments alongside measures of job satisfaction, organizational commitment, and organizational citizenship behaviors.

To overcome these systemic deficits, the SIG was engineered as an adjective checklist scale designed to evoke respondents’ overarching cognitive appraisals of their total employment experience. The purpose of the SIG is not to diagnose specific psychiatric disorders (such as major depressive disorder or generalized anxiety disorder), nor is it intended to pinpoint specific micro-level antecedents (such as poor lighting or ergonomic discomfort). Rather, it provides organizational researchers, clinical occupational health professionals, and corporate leaders with a reliable, rapid-scan diagnostic gauge of the aggregate subjective pressure and threat experienced across the entire job environment.

In applied organizational development, human resources diagnostics, and occupational safety auditing, the SIG functions as a critical early indicator of workplace toxicity, organizational restructuring shock, impending turnover cascades, and employee burnout. Clinically and epidemiologically, the instrument enables researchers to model how generalized occupational psychological strain interfaces with systemic health outcomes, including neuroendocrine dysregulation, systemic inflammation, metabolic syndrome, and cardiovascular disease risk.

Psychological Construct

The psychological construct captured by the Stress in General Scale is global perceived workplace stress, operationalized as an individual’s subjective, evaluative appraisal of their work environment as demanding, taxing, or threatening to their personal adaptive resources. In alignment with established psychometric standards, the SIG assesses stress as a broad cognitive-affective state rather than an acute momentary emotional reaction or an environmental feature.

Through extensive iterative scale construction, item response theory (IRT) modeling, and confirmatory factor analyses, Stanton et al. (2001) demonstrated that this overarching construct manifests across two primary, functionally complementary psychological subdimensions:

1. Pressure (Time and Workload Compression)

The Pressure subdimension encompasses the cognitive appraisal of temporal constraints, workload velocity, pacing demands, and systemic task compression. It captures the respondent’s internal perception that work volume and administrative velocity are outpacing manageable equilibrium. Characteristic cognitive experiences under this subdimension include feeling persistently rushed, facing uninterrupted back-to-back demands, and managing competing deadlines. The psychological markers of Pressure are reflected in items such as:

• Demanding: The subjective assessment that job obligations require excessive energetic, cognitive, or behavioral expenditure.
• Hectic: The sense of chaotic, disorderly speed and rapid task succession without adequate recovery intervals.
• Pushed and Pressured: The persistent internal or external sensation of being driven beyond comfortable working tempos.
• Hassled: The friction caused by relentless, minor administrative impediments that disrupt focused flow.

While high Pressure can lead to acute fatigue, individuals may experience elevated Pressure without necessarily perceiving extreme existential or career threat, particularly in high-engagement, fast-paced professions with strong accompanying rewards.

2. Threat (Psychological Distress and Loss of Control)

The Threat subdimension represents a deeper, more menacing facet of psychological stress characterized by perceived lack of control, systemic unpredictability, emotional friction, and vulnerability. In Lazarus and Folkman’s transactional lexicon, threat appraisals occur when demands are judged as carrying the potential for personal harm, professional failure, cognitive deterioration, or irreversible resource depletion. The psychological markers of Threat are represented by items such as:

• Nerve-wracking: Intense, anxiety-inducing workplace conditions that strain psychological stability.
• Overwhelming: The destabilizing sensation that collective operational demands have completely exceeded the individual’s total coping reservoir.
• Irritating: Chronic negative affective irritation driven by unresolvable interpersonal or systemic friction.
• Calm, Relaxed, Under control, Comfortable, and Smooth-running (Reverse-scored): The absence of equilibrium, psychological safety, and operational predictability.

Empirical evidence indicates that while the Pressure dimension correlates strongly with immediate workload metrics, the Threat dimension exhibits far stronger prospective correlations with psychological burnout, psychosomatic morbidity, depressive affect, and active employment exit.

Theoretical Framework

The conceptual architecture of the Stress in General Scale is anchored in the convergence of two foundational paradigms in occupational and psychological science: Lazarus and Folkman’s Transactional Model of Stress and Coping and Hobfoll’s Conservation of Resources (COR) Theory, integrated within the psychometric tradition of the Bowling Green State University Job Attitude Research Program.

The Transactional Model of Stress and Coping

According to Richard S. Lazarus and Susan Folkman (1984), stress does not reside solely within the environment (as an objective stimulus) nor solely within the individual (as a physiological response). Rather, it represents a dynamic transaction between the individual and their environment that is mediated by cognitive appraisal:

• Primary Appraisal: The cognitive process through which an employee determines whether an encounter or workplace condition is irrelevant, benign-positive, or stressful (categorized as challenge, threat, or harm/loss).
• Secondary Appraisal: The evaluation of what coping options and resources are accessible to manage the demands and prevent strain.

The SIG operates explicitly at the level of primary and secondary appraisal integration. By presenting broad evaluative descriptors (e.g., “More stressful than I’d like”, “Overwhelming”, “Under control”), the instrument captures the subjective synthesis of this appraisal process without artificially dictating which external event (e.g., difficult supervisor vs. technical failure) prompted the judgment.

Conservation of Resources (COR) Theory

Developed by Stevan E. Hobfoll (1989), COR theory posits that psychological stress occurs when foundational resources (objects, conditions, personal characteristics, and energies) are threatened with loss, actually lost, or when individuals fail to gain adequate resources after significant resource investment. The SIG’s subdimensions cleanly reflect these dynamics: Pressure indicates ongoing heavy resource expenditure and the rapid depletion of energetic reserves, whereas Threat denotes the perception that vital personal resources (autonomy, emotional stability, health, professional efficacy) are on the verge of catastrophic depletion.

The BGSU Psychometric Paradigm

Under the intellectual leadership of Patricia Cain Smith, the BGSU team demonstrated that adjective checklists capture deep-seated cognitive representations more effectively than complex, verbose statements. Complex statements often confound multiple cognitive propositions within a single question (e.g., “My supervisor gives me too much work to finish on time” confuses supervisor evaluation with workload evaluation). In contrast, concise descriptors tap semantic networks directly, yielding cleaner psychometric discrimination between affective job satisfaction (measured by the Job in General scale) and cognitive stress appraisals (measured by the SIG).

Validity

The psychometric validity of the Stress in General Scale has been extensively evaluated across diverse occupational populations, including corporate executives, university staff, blue-collar manufacturing personnel, military service members, and healthcare professionals.

Construct and Convergent Validity

Stanton et al. (2001) established convergent validity by evaluating the SIG alongside established legacy instruments measuring stress, strain, and work characteristics:

• The SIG correlated strongly with the Perceived Stress Scale (PSS) developed by Cohen et al., with correlations consistently falling in the range of r = .65 to .74, affirming that the SIG effectively taps perceived psychological distress.
• The scale displayed robust positive correlations with the Job Stress Index (r = .71 to .78) and measures of workplace role ambiguity and role conflict (r = .48 to .58).
• Convergent associations with the Maslach Burnout Inventory (MBI) revealed strong alignments between the SIG Total score and Emotional Exhaustion (r = .68 to .76), confirming that chronic elevated SIG scores map directly onto severe occupational resource depletion.

Discriminant Validity

A crucial empirical milestone in the validation of the SIG was establishing that generalized stress is psychometrically distinct from job dissatisfaction and generalized negative affectivity (trait neuroticism):

• Discrimination from Job Satisfaction: Multitrait-multimethod (MTMM) analyses and structural equation modeling demonstrated that while the SIG correlates inversely with the Job in General (JIG) scale and the Job Descriptive Index (JDI) facets (typically r = -.45 to -.55), they do not load onto a singular affective well-being factor. An employee can love their job (high satisfaction) while simultaneously appraising it as intensely stressful (high SIG Pressure).
• Discrimination from Trait Negative Affectivity: Partial correlation analyses demonstrated that after controlling for trait negative affectivity (measured via the PANAS), the SIG continued to explain significant unique variance in health outcomes and turnover intentions, proving that the instrument does not merely mirror individual dispositional complaining.

Criterion-Related and Predictive Validity

Prospective and cross-sectional criterion-related studies confirm that the SIG functions as a powerful predictor of both organizational and individual health outcomes:

• Turnover Intentions and Actual Quitting: Employees scoring in the upper quartile of the SIG exhibit prospective turnover intention rates over three times higher than those in the lowest quartile (odds ratios ranging from 2.8 to 3.4).
• Health Complaints: SIG scores exhibit consistent moderate-to-strong correlations with the Cohen-Hoberman Inventory of Physical Symptoms (CHIPS; r = .40 to .52) and self-reported physician visits.
• Objective Organizational Performance: High aggregate unit-level SIG scores have been shown to predict higher workplace absenteeism rates, increased safety compliance errors, and lower customer satisfaction metrics in service environments.

Reliability

The Stress in General Scale consistently exhibits exceptional reliability metrics across heterogeneous demographic samples, organizational strata, and language translations.

Internal Consistency

In the seminal validation studies published by Stanton et al. (2001), which examined multiple independent national and corporate samples comprising over 4,000 respondents, internal consistency estimates (Cronbach’s coefficient alpha) reached exceptionally high standards:

• Total Scale (15 items): Cronbach’s α = .91 (ranging across validation samples from .89 to .93).
• Pressure Subscale (7 items): Cronbach’s α = .88 (ranging from .86 to .90).
• Threat Subscale (8 items): Cronbach’s α = .82 (ranging from .80 to .85).

Subsequent independent studies (e.g., Lipka, 2010; Bowling Green State University normative updates) have consistently replicated these values, with composite reliability coefficients generally stabilizing above α = .90 regardless of whether the original trichotomous format or the 5-point Likert response format is utilized.

Test-Retest Reliability and Stability

Temporal stability assessments conducted across various time intervals confirm that the SIG operates as an appraisal of enduring workplace climate rather than transient momentary mood:

• Across a 2- to 4-week test-retest window in stable organizational settings, test-retest reliability coefficients range between r = .80 and r = .86, demonstrating robust stability.
• Across longer longitudinal spans (6 to 12 months), stability coefficients settle moderately between r = .52 and r = .64, reflecting sensitivity to genuine shifts in job responsibilities, managerial transitions, or macroeconomic disruptions.

Factor Analysis

The structural dimensionality of the SIG has been subjected to rigorous exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) across diverse industrial cohorts.

Exploratory Factor Structure

During scale development, principal axis factoring with oblimin (oblique) rotation cleanly resolved the 15 items into two correlated primary latent factors accounting for over 56% of total variance:

• Factor 1: Pressure – Dominated by items reflecting temporal pacing, urgency, and task concentration (e.g., Pressured, Pushed, Hectic, Demanding). Standardized loadings on this primary factor range predominantly from .62 to .84.
• Factor 2: Threat – Defined by items reflecting anxiety, loss of control, and cognitive-emotional disruption (e.g., Nerve-wracking, Overwhelming, Calm [reversed], Under control [reversed]). Standardized loadings range predominantly from .54 to .79.
• The inter-factor correlation between Pressure and Threat typically falls between r = .55 and .68, supporting both their conceptual distinction and their integration under a higher-order overarching general stress construct.

Confirmatory Factor Analysis (CFA) and Model Fit

Subsequent CFA investigations systematically contrasted competing structural models:

1. A one-factor unidimensional model (all 15 items loading onto a single general stress factor).
2. A two-factor uncorrelated (orthogonal) model.
3. A two-factor correlated model (Pressure and Threat freely covarying).
4. A hierarchical second-order model (Pressure and Threat loading onto a second-order General Stress latent variable).

The empirical findings decisively favored the two-factor correlated and second-order hierarchical models over the unidimensional alternative. Representative fit indices reported in structural modeling literature demonstrate robust fit:

• Comparative Fit Index (CFI) ≥ .94 to .97
• Tucker-Lewis Index (TLI) ≥ .93 to .96
• Root Mean Square Error of Approximation (RMSEA) ≤ .048 to .058 (90% CI [.042, .064])
• Standardized Root Mean Square Residual (SRMR) ≤ .041 to .049

Item Response Theory (IRT) analyses (specifically graded response and two-parameter logistic models) further revealed that reverse-scored items such as “Calm” and “Relaxed” provide maximum psychometric information at lower-to-moderate levels of workplace stress, whereas extreme items like “Overwhelming” and “Nerve-wracking” provide exceptional discrimination at the upper, clinically concerning tail of the stress distribution.

Instrument / Measurement Tool

• Official Instrument Name: Stress in General Scale (SIG)
• Acronym: SIG
• Original Developers: Jeffrey M. Stanton, William K. Balzer, Patricia C. Smith, Luis F. Parra, and Gail Ironson (Bowling Green State University)
• Year of Development: 2001
• Construct Measured: Global workplace psychological stress (bifurcated into Pressure and Threat appraisals)
• Total Item Count: 15 items
• Subscale Breakdown:
  • Pressure Subscale (7 items): Demanding, Hectic, Pushed, Pressured, Hassled, Many things stressful, More stressful than I’d like.
  • Threat Subscale (8 items): Calm, Relaxed, Irritating, Under control, Nerve-wracking, Comfortable, Smooth-running, Overwhelming.
• Response Formats:
  • Original Trichotomous (JDI) Format:
    • Yes (indicates the descriptor fits the job) = 3 points
    • No (indicates the descriptor does not fit the job) = 0 points
    • ? or Cannot Decide = 1.5 points
  • Adapted 5-Point Likert Frequency Format:
    • 1 = Never
    • 2 = Rarely
    • 3 = Sometimes
    • 4 = Often
    • 5 = All of the time
• Scoring and Directionality:
  • Direct-scored items (stress-reflecting): Demanding, Hectic, Many things stressful, Pushed, Pressured, Irritating, Nerve-wracking, Hassled, More stressful than I’d like, Overwhelming.
  • Reverse-scored items (calm/control-reflecting): Calm, Relaxed, Under control, Comfortable, Smooth-running. In trichotomous scoring: Yes = 0, No = 3, ? = 1.5. In 5-point Likert scoring: 1 becomes 5, 2 becomes 4, 3 remains 3, 4 becomes 2, 5 becomes 1.
  • Scale Aggregation: Subscale and total scores can be represented as mean scores (ranging from 1.0 to 5.0 in Likert scoring, or 0.0 to 3.0 in JDI scoring) or cumulative sum scores (0 to 45 in original JDI scoring; 15 to 75 in Likert scoring). Higher aggregate values denote greater perceived work-related stress.
• Estimated Administration Time: Approximately 1 to 3 minutes.
• Target Population: Working adults across all occupational categories, organizational structures, and educational levels.

Permissions & Fee and Test Year

The Stress in General (SIG) Scale was first formally published in peer-reviewed literature in 2001 by Jeffrey M. Stanton and colleagues in Educational and Psychological Measurement. The scale was developed under the auspices of the Department of Psychology at Bowling Green State University (BGSU), which maintains proprietary copyright and licensing rights for the Job Descriptive Index (JDI), the Job in General (JIG) scale, and the SIG.

For independent non-commercial research and academic dissertation investigations, the SIG items have frequently been made accessible through academic publications and scholarly theses (such as Lipka, 2010; Clemson University repository) under fair-use scholarly parameters. However, for formal organizational interventions, corporate employee surveys, commercial consulting applications, and large-scale proprietary deployments, researchers and organizations are required to obtain formal licensing and authorization from the Job Descriptive Index Office at Bowling Green State University (BGSU JDI Office). Modest per-respondent licensing fees or package institutional purchase costs typically apply for commercial and corporate utilization.

References

• Cohen, S., Kamarck, T., & Mermelstein, R. (1983). A global measure of perceived stress. Journal of Health and Social Behavior, 24(4), 385–396. https://doi.org/10.2307/2136404
• Hobfoll, S. E. (1989). Conservation of resources: A new attempt at conceptualizing stress. American Psychologist, 44(3), 513–524. https://doi.org/10.1037/0003-066X.44.3.513
• Lazarus, R. S., & Folkman, S. (1984). Stress, appraisal, and coping. Springer Publishing Company.
• Lipka, P. (2010). Sexual minorities in the workplace: An examination of individual differences that affect responses to workplace heterosexism (Doctoral dissertation, Clemson University). TigerPrints. http://tigerprints.clemson.edu/cgi/viewcontent.cgi?article=1539&context=all_dissertations
• Maslach, C., Jackson, S. E., & Leiter, M. P. (1997). Maslach Burnout Inventory: Third edition. Scarecrow Education.
• Smith, P. C., Kendall, L. M., & Hulin, C. L. (1969). The measurement of satisfaction in work and retirement: A strategy for the study of attitudes. Rand McNally.
• Stanton, J. M., Balzer, W. K., Smith, P. C., Parra, L. F., & Ironson, G. (2001). A general measure of work stress: The Stress in General scale. Educational and Psychological Measurement, 61(5), 866–888. https://doi.org/10.1177/00131640121971455

Items of the Scale