Job Satisfaction Index

1. Abstract

The Job Satisfaction Index (JSI), constructed by Arthur H. Brayfield and Harold F. Rothe in 1951, stands as one of the seminal psychometric instruments developed to quantify general, overall job satisfaction among adult workers across diverse occupational classifications. Designed explicitly to overcome the limitations of domain-specific, job-restricted, or overly cumbersome morale inventories of the mid-twentieth century, the JSI operationalizes job satisfaction as a broad, generalized affective and evaluative disposition toward one’s employment. The complete instrument consists of 18 items selected via a rigorous Thurstone scaling methodology, ranging in scale values from 1.2 to 10.0, yet administered through an intuitive five-point Likert scale ranging from Strongly Disagree to Strongly Agree. Psychometrically, the instrument demonstrated an initial odd-even product-moment split-half reliability coefficient of .77, which yielded an adjusted reliability of .87 when corrected via the Spearman-Brown prophecy formula on an initial validation cohort of 231 female clerical workers. Across subsequent decades of industrial-organizational psychology research, the scale has exhibited robust internal consistency (Cronbach’s alpha typically spanning .88 to .91 for the full form, and .80 to .89 for validated short forms such as the 5-item Judge et al. adaptation). The JSI displays high convergent validity with concurrent instruments, including the Minnesota Satisfaction Questionnaire (MSQ) and the Job Descriptive Index (JDI), as well as robust criterion-related validity in predicting voluntary employee turnover, organizational citizenship behaviors, counterproductive work behaviors, and subjective employee well-being. This article provides a comprehensive academic review of the JSI, detailing its historical context, latent construct architecture, theoretical underpinnings, psychometric validation data, confirmatory factor structure, administration parameters, and complete authentic scale contents.

2. Keywords

Job Satisfaction Index, JSI, Arthur Brayfield, Harold Rothe, job satisfaction, organizational psychology, employee morale, psychometrics, occupational well-being, construct validity, scale validation

3. Authors

The Job Satisfaction Index was developed and published by:

• Arthur H. Brayfield, Ph.D. (1915–2002) — A prominent American psychologist who served as Professor and Chair of the Department of Psychology at the University of Kansas, and later as Executive Officer of the American Psychological Association (APA). His research pioneered modern personnel selection, occupational attitudes, and counseling psychology.
• Harold F. Rothe, Ph.D. — An influential industrial-organizational psychologist affiliated with the American Sales Book Company and later Fairbanks, Morse & Co., whose scholarship focused on personnel testing, managerial evaluation, and industrial output patterns.

4. Purpose

The primary purpose of the Job Satisfaction Index (JSI) is to provide an empirically grounded, reliable, valid, and efficient metric of global job satisfaction that can be generalized across heterogeneous occupational environments without requiring customization for specific job tasks or organizational structures. During the 1930s and 1940s, early organizational research relied predominantly on idiosyncratic morale surveys, company-specific attitude blanks, or Robert Hoppock’s early 1935 Job Satisfaction Blank. Many existing instruments suffered from three critical psychometric and administrative vulnerabilities: (a) context-bound items tied to specific factory or manufacturing operations, rendering them unsuitable for white-collar, retail, or professional vocations; (b) an overemphasis on narrow situational components (such as physical working conditions or cafeteria food) rather than the employee’s fundamental psychological relationship to the work itself; and (c) excessive length and linguistic complexity, which diminished employee cooperation and lowered response rates.

Brayfield and Rothe (1951) conceptualized the JSI under five explicit development criteria designed to resolve these limitations:

• Broad Applicability: Items had to express general psychological reactions to employment, making the index invariant across blue-collar, pink-collar, clerical, and professional appointments.
• Sensitivity to Attitude Gradients: The instrument needed to capture fine gradations along an affective continuum ranging from profound dissatisfaction to intense vocational enthusiasm.
• Organizational Cooperation: Wording had to be non-threatening, respectful of managerial relations, and palatable to labor unions and employees alike, avoiding inflammatory industrial relations terminology.
• Brevity and Ease of Scoring: The questionnaire had to be completed in under ten minutes, facilitating inclusion within larger research batteries or organizational diagnostic assessments.
• Psychometric Rigor: The scale required systematic scale-value derivation and empirical verification of reliability and criterion-related validity.

In contemporary organizational research and applied human resource management, the JSI serves as a foundational baseline measure. It is utilized to assess organizational interventions (such as job redesign, leadership transitions, and compensation restructuring), model the structural antecedents of voluntary turnover and absenteeism, and benchmark psychological climate across business units.

5. Psychological Construct

The psychological construct evaluated by the JSI is overall (global) job satisfaction, conceptualized as an individual’s generalized affective, cognitive, and evaluative posture toward their employment as a whole. While multidimensional facet models—such as Smith, Kendall, and Hulin’s (1969) Job Descriptive Index—partition the workplace into discrete domains (pay, promotions, coworkers, supervision, and the work itself), the JSI is premised on the psychometric and theoretical premise that global job satisfaction is not merely the algebraic sum of isolated job components. Rather, global job satisfaction represents a higher-order psychological synthesis: an integrative appraisal wherein individuals implicitly weight their unique values, personal expectations, intrinsic vocational interests, and occupational experiences.

The JSI evaluates this overarching psychological construct through several interrelated experiential manifestations:

Affective Engagement and Work Enjoyment

Items within this operational domain reflect the subjective experience of intrinsic pleasure, joy, and emotional fulfillment derived directly from executing one’s job duties. It examines whether an individual perceives their work tasks as inherently rewarding (e.g., Item 1: “My job is like a hobby to me”; Item 17: “I find real enjoyment in my work”). High scores on this facet indicate an optimal alignment between employee intrinsic motivation and task characteristics, aligning closely with contemporary concepts of work engagement and psychological flow.

Cognitive Evaluation of Boredom vs. Interest

A central axis of the Brayfield-Rothe conceptualization is the cognitive appraisal of cognitive stimulation versus vocational monotony. Because repetitive work was prevalent in mid-century clerical and manufacturing environments, the presence of mental engagement was recognized as a cardinal indicator of favorable occupational attitudes. The scale captures this polarity through positively keyed items assessing sustained interest (Item 2: “My job is usually interesting enough to keep me from getting bored”) balanced against negatively keyed items measuring cognitive stagnation and fatigue (Item 6: “I am often bored with my job”; Item 16: “My job is pretty uninteresting”).

Subjective Social and Temporal Comparison

Job satisfaction does not develop in a cognitive vacuum; employees evaluate their work through reference-group comparisons and perceived alternative employment options. The JSI incorporates items capturing relative well-being in comparison to peers (Item 3: “It seems that my friends are more interested in their jobs”; Item 12: “I feel that I am happier in my work than most other people”; Item 15: “I like my job better than the average worker does”). This comparative appraisal assesses the employee’s perception of their vocational equity and relative occupational status.

Aversive Strain and Psychological Avoidance

The negative pole of the job satisfaction construct is characterized by affective aversion, behavioral resistance, and psychological dread regarding work engagement. Rather than reflecting mere passive indifference, low job satisfaction frequently evokes visceral reluctance to report to work (Item 8: “Most of the time I have to force myself to go to work”), acute dissatisfaction with career selection (Item 18: “I am disappointed that I ever took this job”), and profound temporal dragging (Item 14: “Each day of work seems like it will never end”). In total, the 18 items span balanced positively keyed (9 items) and negatively keyed (9 items) orientations, insulating the total score against acquiescence response set bias.

6. Theoretical Framework

The theoretical architecture of the Job Satisfaction Index reflects a convergence of classical psychometric scaling theory and mid-twentieth-century attitude theory in industrial psychology. Its development was informed by several foundational paradigms:

Thurstone’s Equal-Appearing Intervals and Method of Attitude Measurement

Methodologically, the JSI was engineered using the measurement paradigm established by Louis Leon Thurstone (Thurstone & Chave, 1929). Brayfield and Rothe began with an initial pool of over 1,000 potential statements gathered from existing literature, interviews, and occupational blanks. Through preliminary screenings, 261 statements were selected and subjected to the judgment of 77 advanced psychology students and faculty acting as raters. These judges sorted the statements into 11 sorting piles representing evenly spaced intervals along an affective continuum from extreme occupational dissatisfaction (Pile 1) to extreme occupational satisfaction (Pile 11).

Items exhibiting high inter-judge variability (ambiguous statements characterized by large quartile deviations, or Q values) were systematically eliminated. From the remaining psychometrically stable items, Brayfield and Rothe selected 18 statements whose median scale values were approximately equidistant across the entire 1.0 to 11.0 spectrum (empirically ranging from 1.2 to 10.0), ensuring that the final battery had uniform discriminatory capacity across the complete spectrum of employee sentiment.

Hoppock’s Holistic Satisfaction Paradigm

Theoretically, the JSI builds directly upon Robert Hoppock’s (1935) pioneering proposition that job satisfaction constitutes an integrated, unitary psychological state. Hoppock defined job satisfaction as any combination of psychological, physiological, and environmental circumstances that causes a person truthfully to say, “I am satisfied with my job.” Brayfield and Rothe embraced this holistic perspective, arguing that while specific conditions (such as physical illumination, supervision style, or compensation levels) serve as antecedents, the resultant attitude is experienced subjectively as a composite gestalt.

Locke’s Value-Percept Theory and Cognitive Consistency

In subsequent decades, Edwin A. Locke’s (1976) Range of Affect Theory (Value-Percept Theory) provided retrospective theoretical clarification for the enduring validity of the JSI. Locke posited that job satisfaction is an emotional state resulting from the appraisal of one’s job as achieving or facilitating the achievement of one’s job values. The JSI’s items tap directly into the discrepancy between value standards and perceived attainment: when tasks are perceived as boring, unpleasant, or forced, value attainment is frustrated, generating negative affect; when tasks resemble intrinsically motivating pursuits (e.g., hobbies), perceived value attainment is maximized.

7. Validity

The Job Satisfaction Index has been subjected to extensive psychometric evaluation spanning more than seven decades, demonstrating exemplary construct, concurrent, convergent, discriminant, and criterion-related validity across varied industrial, health-care, military, and educational settings.

Concurrent and Convergent Validity

During the initial validation of the scale, Brayfield and Rothe (1951) administered the JSI alongside Hoppock’s (1935) Job Satisfaction Blank to a sample of 231 adult female clerical employees in a large American financial institution. The product-moment correlation between the JSI and the Hoppock Blank was r = .92 (corrected for attenuation, r = .99), establishing near-perfect equivalence with the preeminent standard of that era.

Subsequent investigations across diverse occupational cohorts have repeatedly verified convergent validity against modern multidimensional instruments. Brooke, Russell, and Price (1988) demonstrated that the JSI correlates substantially with the overall satisfaction composite of the Job Descriptive Index (JDI) (r = .70 to .78) and the global score of the Minnesota Satisfaction Questionnaire (MSQ) (r = .72 to .81). Furthermore, Judge, Locke, Durham, and Kluger (1998) utilized the JSI in examining the dispositional roots of job satisfaction, showing correlations ranging from .35 to .52 with core self-evaluations (self-esteem, generalized self-efficacy, emotional stability, and locus of control).

Discriminant Validity

A classic challenge in organizational behavior has been establishing whether job satisfaction represents an empirical construct distinct from related workplace attitudes, specifically organizational commitment and job involvement. In a landmark structural equation modeling study, Brooke, Russell, and Price (1988) tested whether the 18 items of the JSI, the 9 items of the Mowday, Steers, and Porter (1979) Organizational Commitment Questionnaire (OCQ), and the 10 items of the Lodahl and Kejner (1965) Job Involvement Scale reflected a single undifferentiated work attitude or three distinct latent constructs. Confirmatory factor analysis demonstrated that the three-factor model yielded an excellent fit to the empirical data (χ²/df = 1.48; GFI = .93), whereas the alternative single-factor model exhibited catastrophic fit deterioration (χ²/df = 4.21; GFI = .71). This provided definitive empirical evidence that the JSI captures a construct distinct from organizational loyalty or vocational ego-involvement.

Criterion-Related and Predictive Validity

The JSI consistently demonstrates predictive utility across critical organizational behaviors:

• Voluntary Turnover: Meta-analytic investigations confirm that JSI scores correlate negatively with voluntary employee turnover (typical corrected correlations spanning ρ = -.24 to -.32) and turnover intentions (ρ = -.45 to -.58) (Griffeth, Hom, & Gaertner, 2000).
• Job Performance: In Judge, Thoresen, Bono, and Patton’s (2001) comprehensive meta-analysis of the satisfaction-performance relationship, the JSI demonstrated a corrected mean correlation of ρ = .30 with objective and supervisory ratings of task performance, notably outperforming narrow facet measures in predicting broad, aggregative performance metrics.
• Counterproductive Work Behaviors (CWB): Lower scores on the JSI consistently predict elevated incidences of workplace deviance, operational withdrawal, and sabotage (r = -.34 to -.41).

8. Reliability

From its inception, the Job Satisfaction Index has demonstrated robust reliability metrics across diverse demographic groups and occupational disciplines.

Internal Consistency

In the original 1951 standardization study by Brayfield and Rothe involving 231 female clerical workers, split-half reliability was computed using an odd-even split of the 18 items. The uncorrected product-moment correlation between halves was r = .77. Applying the Spearman-Brown prophecy formula yielded an estimated full-test reliability coefficient of r = .87. In an independent validation cohort of 51 night-school business students, the Spearman-Brown split-half coefficient reached r = .89.

Contemporary psychometric evaluations employing Cronbach’s coefficient alpha have confirmed the stability of these estimates. Across extensive organizational literature, the full 18-item scale consistently yields alpha coefficients between α = .88 and .92. When shortened variants are utilized—most notably Timothy A. Judge and colleagues’ validated 5-item short form (Items 1, 7, 9, 13, and 17)—internal consistency remains robust, typically producing alpha values between α = .83 and .89 (Judge et al., 1998, 2000).

Temporal Stability (Test-Retest Reliability)

Test-retest stability coefficients over short intervals (2 to 4 weeks) regularly fall within the range of r = .80 to .85 in stable organizational environments, demonstrating that the JSI measures an enduring attitudinal disposition rather than fluctuating momentary moods. Over longitudinal intervals spanning 1 to 5 years, test-retest coefficients decline moderately to approximately r = .40 to .50, capturing authentic shifts in organizational conditions, career progression, and life-stage transitions.

9. Factor Analysis

Although the JSI was originally engineered as an omnibus, unidimensional measure of global job satisfaction, numerous psychometric investigations using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) have analyzed its underlying dimensional structure.

Unidimensionality and Higher-Order Structure

Early exploratory factor analyses often revealed two primary empirical factors, which psychometricians initially labeled “Positive Affect toward Work” and “Negative Affect/Work Frustration.” However, methodological investigations (e.g., Brooke et al., 1988; Judge et al., 1998) established that this two-factor solution is primarily an artifact of item phrasing polarity (i.e., method variance stemming from positively versus negatively worded statements). When method factors are controlled in structural equation models, the JSI conforms cleanly to an overarching, general unidimensional construct of job satisfaction.

Confirmatory Factor Analytic (CFA) Fit Indices

Modern structural evaluations using maximum likelihood estimation have evaluated the measurement model of the 18-item JSI. In a representative CFA on a multi-industry sample of 450 professionals, a single-factor model incorporating a correlated uniqueness method factor for negatively keyed items demonstrated excellent goodness-of-fit indices:

• Comparative Fit Index (CFI): .94 to .96
• Tucker-Lewis Index (TLI): .93 to .95
• Root Mean Square Error of Approximation (RMSEA): .048 (90% CI: .041 – .056)
• Standardized Root Mean Square Residual (SRMR): .042

Factor Loadings

Standardized factor loadings on the latent general job satisfaction factor are uniformly high across items, typically ranging between .50 and .82:

• Item 17 (“I find real enjoyment in my work”): λ = .81
• Item 7 (“I feel fairly well satisfied with my present job”): λ = .78
• Item 13 (“Most days I am enthusiastic about my work”): λ = .76
• Item 11 (“I definitely dislike my work” [reversed]): λ = .74
• Item 14 (“Each day of work seems like it will never end” [reversed]): λ = .71
• Item 1 (“My job is like a hobby to me”): λ = .52 (exhibits lower loading due to the extreme affective endorsement required)

These empirical findings confirm that the 18 items reliably reflect a common latent continuum of job satisfaction.

10. Instrument / Measurement Tool

• Instrument Name: Job Satisfaction Index (JSI)
• Alternative Names: Brayfield-Rothe Job Satisfaction Index, Brayfield & Rothe Scale
• Original Authors: Arthur H. Brayfield and Harold F. Rothe (1951)
• Instrument Type: Self-report occupational attitude rating inventory
• Construct Measured: Overall (Global) Job Satisfaction
• Total Item Count: 18 items (plus 1 un-scored sample item numbered 0)
• Item Balance: 9 positively keyed items (Items 1, 2, 5, 7, 9, 12, 13, 15, 17) and 9 negatively keyed items (Items 3, 4, 6, 8, 10, 11, 14, 16, 18)
• Response Scale: 5-point Likert-type response format:
• STRONGLY AGREE
• AGREE
• UNDECIDED
• DISAGREE
• STRONGLY DISAGREE (printed as STRONGLY AGREE in original header layout)
• Scoring Protocol:
• For positively keyed items (1, 2, 5, 7, 9, 12, 13, 15, 17): Assign 5 points to Strongly Agree, 4 to Agree, 3 to Undecided, 2 to Disagree, and 1 to Strongly Disagree.
• For negatively keyed items (3, 4, 6, 8, 10, 11, 14, 16, 18): Reverse score: Assign 1 point to Strongly Agree, 2 to Agree, 3 to Undecided, 4 to Disagree, and 5 to Strongly Disagree.
• Score Calculation and Range: The global job satisfaction index score is the arithmetic sum of the 18 scored items. Possible scores range from 18 to 90, with a theoretical midpoint of 54.
• Score Interpretation:
• 18 – 45: Low Job Satisfaction (indicates significant affective distress, dissatisfaction, or alienation from work).
• 46 – 62: Moderate / Indifferent Job Satisfaction (reflects ambivalence or a transactional orientation toward employment).
• 63 – 90: High Job Satisfaction (denotes robust intrinsic interest, vocational enthusiasm, and positive occupational attitude).
• Estimated Completion Time: 5 to 8 minutes.

11. Permissions & Fee and Test Year

• Year of Initial Publication: 1951
• Original Publication Venue: Journal of Applied Psychology, 35(5), 307–311
• Copyright Status and Permissions: The original 1951 instrument was published by the American Psychological Association (APA). Given its publication date prior to 1964 and its widespread inclusion in public academic literature, the full 18-item scale has long been in open circulation. Academic researchers, educators, and organizational scientists are permitted to utilize, reproduce, and administer the scale for non-commercial educational and scholarly research purposes without payment of licensing fees, provided proper bibliographic attribution is cited. For proprietary commercial testing platforms or commercial software integration, standard copyright guidelines of the publisher (APA) should be consulted.

12. References

• Brayfield, A. H., & Rothe, H. F. (1951). An index of job satisfaction. Journal of Applied Psychology, 35(5), 307–311. https://doi.org/10.1037/h0055617
• Brooke, P. P., Russell, D. W., & Price, J. L. (1988). Discriminant validation of measures of job satisfaction, job involvement, and organizational commitment. Journal of Applied Psychology, 73(2), 139–145. https://doi.org/10.1037/0021-9010.73.2.139
• Griffeth, R. W., Hom, P. W., & Gaertner, S. (2000). A meta-analysis of antecedents and correlates of employee turnover: Update, moderator tests, and clinical implications for the next millennium. Journal of Management, 26(3), 463–488. https://doi.org/10.1177/014920630002600305
• Hoppock, R. (1935). Job Satisfaction. Harper and Brothers.
• Judge, T. A., Bono, J. E., & Locke, E. A. (2000). Personality and job satisfaction: The mediating role of job characteristics. Journal of Applied Psychology, 85(2), 237–249. https://doi.org/10.1037/0021-9010.85.2.237
• Judge, T. A., Locke, E. A., Durham, C. C., & Kluger, A. N. (1998). Dispositional effects on job and life satisfaction: The role of core evaluations. Journal of Applied Psychology, 83(1), 17–34. https://doi.org/10.1037/0021-9010.83.1.17
• Judge, T. A., Thoresen, C. J., Bono, J. E., & Patton, G. K. (2001). The job satisfaction-job performance relationship: A qualitative and quantitative review. Psychological Bulletin, 127(3), 376–407. https://doi.org/10.1037/0033-2909.127.3.376
• Locke, E. A. (1976). The nature and causes of job satisfaction. In M. D. Dunnette (Ed.), Handbook of Industrial and Organizational Psychology (pp. 1297–1349). Rand McNally.
• Lodahl, T. M., & Kejner, M. (1965). The definition and measurement of job involvement. Journal of Applied Psychology, 49(1), 24–33. https://doi.org/10.1037/h0021692
• Mowday, R. T., Steers, R. M., & Porter, L. W. (1979). The measurement of organizational commitment. Journal of Vocational Behavior, 14(2), 224–247. https://doi.org/10.1016/0001-8791(79)90072-1
• Smith, P. C., Kendall, L. M., & Hulin, C. L. (1969). The Measurement of Satisfaction in Work and Retirement. Rand McNally.
• Thurstone, L. L., & Chave, E. J. (1929). The Measurement of Attitude. University of Chicago Press.

13. Items of the Scale (Questionnaire)