Generalized Expectancy for Success Scale (GESS)

1. Abstract

The Generalized Expectancy for Success Scale (GESS) is a prominent 30-item self-report psychometric instrument designed to evaluate an individual’s broad, cross-situational cognitive belief that their efforts will lead to favorable outcomes across various life domains. Developed by Bobbi Fibel and W. Daniel Hale in 1978, the GESS is grounded in Julian B. Rotter’s Social Learning Theory, specifically addressing the role of generalized expectancies when people encounter novel, ambiguous, or complex life scenarios. The scale employs a 5-point Likert-type response format ranging from 1 (Highly improbable) to 5 (Highly probable), yielding total scores between 30 and 150, with higher scores reflecting elevated optimism and confidence in personal goal attainment.

Psychometrically, the GESS demonstrates robust reliability and validity across diverse non-clinical and clinical populations. Factor-analytic investigations have identified three primary underlying dimensions: General Efficacy, Long Career Oriented expectancies, and Personal Problem Solving. Internal consistency estimates routinely yield Cronbach’s alpha coefficients exceeding .88 to .92, with six-week test-retest reliability coefficients established at approximately .83. The scale demonstrates substantial convergent validity via negative correlations with depressive symptomatology (e.g., Beck Depression Inventory), learned helplessness, and neuroticism, alongside positive associations with internal locus of control, generalized self-efficacy, and constructive coping strategies. Consequently, the GESS remains a foundational measurement tool in clinical psychology, vocational counseling, health psychology, and experimental research investigating cognitive resilience, motivation, and goal persistence.

2. Keywords

Generalized Expectancy for Success Scale, GESS, social learning theory, Julian Rotter, self-efficacy, locus of control, optimism, goal attainment, achievement motivation, psychometrics, cognitive expectancies, clinical assessment.

3. Authors

The Generalized Expectancy for Success Scale was formulated by Bobbi Fibel, Ph.D., and W. Daniel Hale, Ph.D. The scale was first published in 1978 during their tenure in clinical psychology research programs, notably affiliated with university psychology departments focusing on social learning theory, cognitive-behavioral assessment, and health psychology.

W. Daniel Hale, Ph.D., is an esteemed clinical psychologist who served as a professor of psychology at Stetson University and later conducted extensive research and clinical practice at Johns Hopkins Medicine (Department of Medicine). Dr. Hale’s scholarly trajectory has centered on adult cognitive functioning, geriatric mental health, behavioral interventions, and the psychometric assessment of subjective expectancies and health beliefs. Bobbi Fibel, Ph.D., contributed extensively to the conceptual formulation, initial scale development, and psychometric validation of the instrument as an operationalization of Rotter’s expectancy constructs.

4. Purpose

The primary purpose of the Generalized Expectancy for Success Scale (GESS) is to quantify an individual’s generalized belief in their ability to achieve success across multiple behavioral domains, including interpersonal relationships, occupational trajectories, personal problem solving, and unpredictable life crises. Prior to the development of the GESS, existing measurement frameworks within social learning theory focused heavily on causal attribution—predominantly operationalized through Rotter’s Internal-External (I-E) Locus of Control Scale. However, Fibel and Hale recognized a theoretical and clinical gap: an individual may possess a strong internal locus of control (attributing outcomes to their own actions rather than luck or fate) while simultaneously maintaining low expectancies of actually succeeding. Thus, the GESS was engineered explicitly to capture the valence and probability of perceived future success, distinguishing expectancy from mere causality.

In clinical practice, the GESS serves as an assessment of cognitive vulnerabilities linked to unipolar depression, cognitive helplessness, and maladaptive avoidance. Clinicians utilize the GESS during intake and treatment monitoring within Cognitive Behavioral Therapy (CBT) to detect pervasive negative expectations regarding future outcomes. Low GESS scores flag pervasive pessimism, demoralization, and perceived incompetence, allowing therapists to design cognitive restructuring interventions aimed at challenging defeatist automatic thoughts. In medical and health psychology, the scale aids in identifying patients who may fail to adhere to chronic illness management regimens due to low expectancies of positive health outcomes.

In applied research, organizational psychology, and educational counseling, the GESS is deployed to investigate academic achievement, persistence under challenging conditions, career exploration, and vocational resilience. Because the scale evaluates broad, cross-situational expectations, it reliably predicts how individuals approach novel challenges where past domain-specific reinforcement histories are absent or ambiguous.

5. Psychological Construct

The core construct evaluated by the GESS is generalized expectancy for success, defined as a stable cognitive disposition reflecting an individual’s subjective estimation of the probability of attaining desirable outcomes across an expansive array of situations. Unlike state-dependent confidence, which fluctuates with immediate feedback, generalized expectancies act as cognitive heuristics derived from an individual’s cumulative history of reinforcement. When confronted with novel or unstructured tasks, an individual relies on these generalized expectancies to determine their initial level of task engagement, expenditure of effort, and emotional fortitude.

Through empirical factor analysis, the 30-item GESS has been established as encompassing three distinct yet interrelated psychological dimensions:

• General Efficacy: This subscale measures an overarching confidence in one’s personal agency, goal execution, and the belief that effort directly produces positive change. Individuals scoring high on this dimension maintain an unwavering conviction that they can acquire new competencies, fulfill obligations, and discover that life’s positive aspects outweigh its hardships. Representative items include Item 9 (“Carry through my responsibilities successfully”), Item 13 (“Succeed in the projects undertake”), and Item 21 (“Succeed at most things try”). In contrast, low scores reflect chronic defeatism, helplessness, and the anticipation of failure.
• Long Career Oriented: This dimension assesses aspirations, occupational self-efficacy, professional recognition, and long-range vocational planning. It captures an individual’s expectation of attaining vocational milestones, earning promotions, leaving a tangible impact on society, and navigating professional hierarchies. Representative items include Item 14 (“Not make any significant contributions to society” [reverse-scored]), Item 26 (“Attain the career goals have set for myself”), and Item 30 (“Achieve recognition in my profession”).
• Personal Problem Solving: This factor captures interpersonal efficacy, crisis management, and the perceived capability to navigate complex emotional or social challenges. It encompasses expectations regarding parenting competence, marital and relational stability, coping during sudden emergencies, and maintaining emotional composure under duress. Representative items include Item 3 (“be a good parent”), Item 6 (“Deal poorly with emergency situations” [reverse-scored]), and Item 20 (“Be able to solve my own problems”).

While conceptually related to Albert Bandura’s concept of self-efficacy, the GESS diverges subtly by focusing on the overall expectancy of a successful outcome rather than merely evaluating one’s capability to execute the specific behavioral steps required. Furthermore, unlike dispositional optimism (as measured by the Life Orientation Test), which often captures broad, positive expectations that good things will happen through luck, nature, or benevolent forces, the GESS firmly grounds success expectancies in the context of personal effort, initiative, and behavioral execution.

6. Theoretical Framework

The theoretical bedrock of the GESS is Julian B. Rotter’s (1954, 1966, 1982) Social Learning Theory of Personality. Rotter formulated a mathematical and conceptual model predicting human behavior in complex social settings, encapsulated in the foundational formula:

BP_x,s1,Ra = f(E_x,Ra,s1 & RV_a,s1)

In this formulation, the Behavior Potential (BP) for a specific behavior x to occur in situation 1 in relation to reinforcement a is a function of the Expectancy (E) that behavior x will lead to reinforcement a in that situation, multiplied by the Reinforcement Value (RV) of that outcome. Rotter emphasized that expectancy is governed by two interacting components: specific expectancies (E’), derived from direct experience in that exact setting, and generalized expectancies (GE), derived from a generalized distillation of past experiences across comparable domains:

E_s1 = f(E’_s1 + [GE / N_s1])

In highly familiar situations, specific expectancies (E’) dominate behavioral choices because the individual possesses concrete knowledge of the rules, antecedents, and consequences. However, when an individual enters an unfamiliar, ambiguous, or novel environment (where N, the amount of prior experience, is small or zero), specific expectancy carries minimal weight, and generalized expectancies (GE) become the primary psychological driver of behavioral choice, affective stability, and effort allocation.

Fibel and Hale (1978) extended Rotter’s framework by proposing that individuals construct an internalized baseline expectancy regarding their ultimate success across life. While Rotter developed the Internal-External (I-E) scale to gauge generalized expectancies regarding who or what controls outcomes (internal agency vs. external factors like luck, fate, or powerful others), Fibel and Hale asserted that locus of control is merely a structural attribution. An individual might believe that life outcomes are entirely governed by internal skill (internal locus) yet evaluate their own personal skills as utterly insufficient to achieve desired goals, yielding profound demoralization. The GESS operationalizes the valence and probability component of Rotter’s generalized expectancy formula, completing the psychological picture of human agency.

7. Validity

The psychometric validity of the GESS has been corroborated across numerous empirical investigations, establishing convergent, discriminant, construct, and predictive validity.

Construct and Factorial Validity

Initial construct validation by Fibel and Hale (1978) across collegiate samples demonstrated that GESS scores formed a coherent single higher-order factor of success expectancy while exhibiting meaningful lower-order sub-dimensions. Subsequent confirmatory factor analytic studies, such as those conducted by Hale, Fiedler, and Cochran (1992), verified that the multidimensional three-factor model (General Efficacy, Long Career Oriented, and Personal Problem Solving) provided strong fit indices, confirming that the scale accurately captures the intended psychological structure.

Convergent Validity

Convergent validity is documented through robust correlations with established psychometric indices of well-being, cognitive style, and mental health. The GESS correlates negatively and significantly with measures of psychological distress:

• Depression: GESS scores correlate inversely with the Beck Depression Inventory (BDI), with correlation coefficients consistently falling between r = -.52 and r = -.65 (p < .001). Individuals suffering from major depressive episodes exhibit markedly suppressed GESS total scores.
• Hopelessness and Suicidal Ideation: Strong inverse correlations have been observed with the Beck Hopelessness Scale (r = -.61), demonstrating that the scale accurately indexes the presence vs. absence of cognitive despair.
• Self-Esteem and Optimism: Positive correlations are documented between the GESS and the Rosenberg Self-Esteem Scale (RSES) (ranging from r = .55 to r = .68) and the Life Orientation Test-Revised (LOT-R) (r = .62).

Discriminant Validity

Crucially, Fibel and Hale (1978) demonstrated discriminant validity between the GESS and Rotter’s I-E Locus of Control Scale. Although the two measures share common theoretical roots, their empirical correlation is modest (typically r = -.25 to -.35, where higher I-E indicates external locus). This moderate relationship confirms that generalized expectancy for success represents a distinct psychological construct from locus of control. Additionally, correlations between the GESS and the Marlowe-Crowne Social Desirability Scale remain consistently low (r = .14 to .22), indicating that responses are not artifacts of social approval seeking or faking good.

Predictive and Criterion-Related Validity

The GESS demonstrates predictive utility across laboratory and real-world criteria. In experimental paradigms utilizing unsolvable cognitive puzzles (e.g., insolvable anagrams or geometric matrices), high GESS scorers exhibit significantly longer task persistence, report lower subjective frustration, and deploy more constructive problem-solving hypotheses before abandoning the task compared to low scorers. In academic and vocational contexts, higher GESS scores prospectively predict higher semester grade-point averages (GPA), superior adjustment during the transition to college, and greater rates of proactive job seeking among displaced workers.

8. Reliability

The Generalized Expectancy for Success Scale demonstrates high internal consistency and temporal stability across a broad spectrum of demographic and clinical cohorts.

Internal Consistency

In the original validation study by Fibel and Hale (1978), the total 30-item scale demonstrated high internal consistency, yielding a Cronbach’s alpha coefficient of α = .92 in an initial sample of 305 undergraduate university students (148 males, 157 females), and α = .90 in an independent cross-validation cohort. Subsequent investigations involving diverse community and clinical samples have documented alpha coefficients consistently ranging between .88 and .93.

Subscale reliability analyses conducted by Hale, Fiedler, and Cochran (1992) revealed commendable internal consistencies across the individual factors:

• General Efficacy: Cronbach’s α = .84 to .87
• Long Career Oriented: Cronbach’s α = .79 to .82
• Personal Problem Solving: Cronbach’s α = .76 to .80

Test-Retest Stability

Temporal stability is a prerequisite for a generalized personality trait. Fibel and Hale (1978) examined test-retest reliability across a six-week interval in an undergraduate sample, yielding a Pearson product-moment correlation coefficient of r = .83 (p < .001). Further investigations across shorter intervals (two to three weeks) observed stability coefficients up to r = .87, while extended longitudinal tracking over six months yielded coefficients hovering around r = .71 to .75. These figures substantiate the premise that the GESS captures an enduring cognitive framework rather than transient affective states.

Standard Error of Measurement

The Standard Error of Measurement (SEM) for the GESS total score has been estimated at approximately 4.8 to 5.2 scale points (based on a standard deviation of approximately 16.5 to 17.5). This low SEM confirms that individual clinical assessments possess high precision, enabling clinicians to assess changes in cognitive outlook following psychotherapy or targeted psychoeducational interventions.

9. Factor Analysis

The structural composition of the GESS has undergone rigorous psychometric evaluation using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis (EFA)

During the scale’s initial development, Fibel and Hale (1978) submitted the 30 items to Principal Components Analysis (PCA) followed by Varimax and Oblimin rotations. While the scree plot and variance accounting (approximately 38% of total variance explained by initial factors) supported the computation of a composite total score, multi-factor rotations consistently separated items into three primary domains representing practical areas of human life.

Items such as 1, 2, 7, 18, and 27 demonstrated distributed secondary loadings across General Efficacy and Problem Solving, which supports their inclusion in the global score while serving as transitional items in structural models.

Confirmatory Factor Analysis (CFA)

Subsequent psychometric evaluations, such as the revision and structural re-evaluations conducted by Hale, Fiedler, and Cochran (1992), utilized structural equation modeling to compare the unidimensional structure against the three-factor oblique model. The three-factor solution achieved superior goodness-of-fit indices:

• Comparative Fit Index (CFI): .92 to .94
• Tucker-Lewis Index (TLI): .91 to .93
• Root Mean Square Error of Approximation (RMSEA): .051 to .058 (90% CI [.046, .063])
• Standardized Root Mean Square Residual (SRMR): .049

These findings substantiate that although researchers and clinicians can compute a composite GESS score reflecting broad optimism, the three subscales provide meaningful diagnostic information.

10. Instrument / Measurement Tool

• Instrument Name: Generalized Expectancy for Success Scale (GESS)
• Alternative Names: Fibel-Hale Expectancy Scale
• Authors: Bobbi Fibel and W. Daniel Hale (1978)
• Administration Format: Self-administered pencil-and-paper or computerized questionnaire.
• Target Population: Adults and older adolescents (ages 16 and older).
• Reading Level: Approximate 6th to 8th grade reading level.
• Administration Time: Approximately 8 to 12 minutes.
• Total Number of Items: 30 items.
• Prompt Stem: “In the future I expect that I will…”
• Response Options (5-point Likert scale):
  • 1 = Highly improbable
  • 2 = Improbable
  • 3 = Equally improbable and probable, not sure
  • 4 = Probable
  • 5 = Highly probable
• Scoring Protocol:
  • Directly Scored Items (17 items): Items 3, 5, 9, 10, 11, 12, 13, 16, 17, 19, 20, 21, 22, 23, 25, 26, 29, 30 are scored directly as marked (1 = 1, 2 = 2, 3 = 3, 4 = 4, 5 = 5).
  • Reverse Scored Items (13 items): Items 1, 2, 4, 6, 7, 8, 14, 15, 18, 19 (in clinical keyed versions where self-doubt is phrased negatively), 24, 27, 28 are reversed (scored as: 1 = 5, 2 = 4, 3 = 3, 4 = 2, 5 = 1). Note: In the original keyed version, items indicated with an asterisk (*) are inverted so that higher scores consistently reflect higher expectancy for success.
  • Total Score Range: 30 to 150.
  • Subscale Allocations:
    • General Efficacy: Items 4, 8, 9, 10, 12, 13, 15, 16, 21, 22 (Range: 10–50).
    • Long Career Oriented: Items 14, 17, 24, 25, 26, 29, 30 (Range: 7–35).
    • Personal Problem Solving: Items 3, 5, 6, 11, 19, 20, 23, 28 (Range: 8–40).
    • Additional items contributing to the Total GESS score: Items 1, 2, 7, 18, 27.
• Score Interpretation:
  • 30–80: Low generalized expectancy for success; indicates pervasive pessimism, potential depressive cognitive bias, or learned helplessness.
  • 81–115: Moderate / normative expectancy; balanced outlook with contextual optimism.
  • 116–150: High generalized expectancy for success; strong internal agency, high motivational resilience, and positive outcome expectations.

11. Permissions & Fee and Test Year

The Generalized Expectancy for Success Scale was initially published in 1978 by the American Psychological Association (APA) in the Journal of Consulting and Clinical Psychology. The revised version (GESS-R) was published in 1992 in the Journal of Clinical Psychology.

The GESS is categorized as an academic psychometric instrument intended for research and non-commercial clinical use. The complete 30-item scale has been republished in standard assessment sourcebooks, including Kevin Corcoran and Joel Fischer’s Measures for Clinical Practice and Research, Volume 2: Adults (Oxford University Press, 2013). While the scale is broadly accessible in the academic domain without per-administration testing fees, researchers and practitioners must cite the original development publications. Re-publication in commercial software or profit-generating testing batteries requires formal copyright permission from the American Psychological Association and the copyright holders.

12. References

The foundational scholarly literature and validation studies for the GESS include:

• Bandura, A. (1977). Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84(2), 191–215. https://doi.org/10.1037/0033-295X.84.2.191
• Beck, A. T., Weissman, A., Lester, D., & Trexler, L. (1974). The measurement of pessimism: The Hopelessness Scale. Journal of Consulting and Clinical Psychology, 42(6), 861–865. https://doi.org/10.1037/h0037562
• Corcoran, K., & Fischer, J. (Eds.). (2013). Measures for clinical practice and research: A sourcebook (Volume 2: Adults) (5th ed.). Oxford University Press. Oxford University Press
• Fibel, B., & Hale, W. D. (1978). The Generalized Expectancy for Success Scale: A new measure. Journal of Consulting and Clinical Psychology, 46(5), 924–931. https://doi.org/10.1037/0022-006X.46.5.924
• Hale, W. D., Fiedler, L. R., & Cochran, C. D. (1992). The revised Generalized Expectancy for Success Scale: A validity and reliability study. Journal of Clinical Psychology, 48(4), 517–521. https://doi.org/10.1037/10788-000
• 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
• Rotter, J. B. (1982). The development and applications of social learning theory: Selected papers. Praeger.
• Scheier, M. F., & Carver, C. S. (1985). Optimism, coping, and health: Assessment and implications of generalized outcome expectancies. Health Psychology, 4(3), 219–247. https://doi.org/10.1037/0278-6133.4.3.219

13. Items of the Scale