Strengths Use and Current Knowledge Scale (SUCK)

1. Abstract

The Strengths Use and Current Knowledge Scale (SUCK), originally conceptualized and validated by P. Alex Linley and Rashmin Govindji (2007), represents a foundational psychometric instrument within the field of contemporary positive psychology. Designed to operationalize two distinct yet intrinsically intertwined dimensions of human flourishing, the assessment captures an individual’s metacognitive awareness of personal competencies (Strengths Knowledge) and the behavioral application of these capabilities across daily life, vocational settings, and personal pursuits (Strengths Use). In its original structural investigation, Govindji and Linley investigated strengths dynamics in tandem with humanistic concepts such as organismic valuing processes and self-concordant goal pursuit.

The primary full battery encompasses the 14-item Strengths Use Scale (SUS), the 8-item Strengths Knowledge Scale (SKS), and an accompanying 8-item Organismic Valuing Scale (OVS). In addition, an abbreviated 10-item adaptation developed by Aaron Jarden (2011) captures both domains alongside a percentage-of-time behavioral metric. Administered predominantly via a 7-point Likert-type rating format ranging from 1 (Strongly disagree) to 7 (Strongly agree), the scales exhibit robust psychometric properties across diverse clinical, educational, community, and organizational samples.

Empirical evaluations consistently document outstanding internal consistency reliabilities, with Cronbach’s alpha coefficients typically exceeding α = .94 for Strengths Use, α = .89 for Strengths Knowledge, and α = .91 for Organismic Valuing. Confirmatory factor analyses confirm distinct unidimensional structures for each subscale, while structural equation modeling confirms that strengths use operates as a powerful direct driver of subjective well-being, vitality, self-esteem, self-efficacy, and occupational engagement. In contrast, strengths knowledge functions primarily as a necessary but insufficient cognitive prerequisite that facilitates behavioral utilization. This article delivers an exhaustive academic review of the scale’s theoretical foundations, structural validity, psychometric properties, administration guidelines, diagnostic scoring, and direct clinical and organizational applications.

2. Keywords

Strengths Use Scale, Strengths Knowledge, Positive Psychological Assessment, Alex Linley, Organismic Valuing Process, Character Strengths, Well-Being Measurement, Self-Concordance, Psychometrics, Positive Psychology.

3. Authors

The conceptual framework and parent psychometric instruments comprising the Strengths Use and Current Knowledge Scale were developed by:

• Rashmin Govindji, MSc: Organizational psychologist, researcher, and executive coach affiliated with the Centre for Applied Positive Psychology (CAPP), Coventry, United Kingdom. Govindji has led pioneering research on individual strengths recognition, occupational coaching paradigms, and psychological health.
• P. Alex Linley, PhD: Renowned British psychologist, author, and founding director of the Centre for Applied Positive Psychology (CAPP) and Realise2 (now Cappfinity). Dr. Linley is an internationally recognized authority on positive psychology, strength identification, resilience, and personal growth, having published dozens of peer-reviewed empirical studies and definitive textbooks such as Average to A+: Realising Strengths in Yourself and Others.
• Collaborators and Subsequent Adapters: Notable empirical extensions, organizational integrations, and validation contributions have been spearheaded by Michael A. West (Aston Business School, Aston University), Carmel Proctor (Positive Psychology Research Centre, Guernsey), John Maltby (Department of Neuroscience, Psychology and Behaviour, University of Leicester), and Aaron Jarden (Centre for Wellbeing Science, Faculty of Education, The University of Melbourne, Australia).

4. Purpose

The emergence of positive psychology marked a programmatic paradigm shift from a deficit-reduction medical model toward the empirical investigation and promotion of optimal human functioning. Central to this movement was the theoretical proposition that individuals possess characteristic personal strengths—defined by Linley (2008) as preexisting capacities for particular ways of thinking, feeling, and behaving that are authentic, energizing, and enable optimal performance. However, early empirical instruments, such as the Values in Action Inventory of Strengths (VIA-IS; Peterson & Seligman, 2004) or the CliftonStrengths assessment, were constructed almost exclusively as taxonomic inventories designed to identify which character strengths an individual possesses. They did not measure the quantitative degree to which an individual understands these strengths or actively puts them into practice across daily life.

Recognizing this psychometric void, Govindji and Linley (2007) conceptualized the Strengths Use and Current Knowledge framework to provide an objective, scalable, and standardized instrument. Its theoretical purpose is rooted in a critical distinction: possessing a strength or identifying it on a taxonomic profile does not automatically translate into behavioral enactment. For a strength to yield cognitive, emotional, and physical dividends, an individual must possess metacognitive insight into their unique capabilities (Strengths Knowledge) and have the agency, motivation, and environmental opportunities to deploy those capabilities across occupational, interpersonal, and personal domains (Strengths Use).

In applied and clinical settings, the scale fulfills multiple diagnostic and therapeutic objectives:

• Coaching Psychology and Executive Development: It serves as a benchmark tool for positive psychology coaches, executive mentors, and occupational health consultants to diagnose baseline strengths utilization, track developmental interventions, and evaluate organizational culture support for authentic performance.
• Clinical and Counseling Interventions: Clinicians utilize the scale to counteract cognitive biases centered on personal deficits, depressive helplessness, and perceived incompetence. By systematically assessing strengths knowledge and application, therapists working within Acceptance and Commitment Therapy (ACT) or Cognitive Behavioral Therapy (CBT) frameworks can align behavioral activation strategies with clients’ authentic competencies.
• Academic and Educational Psychology: School counselors and university researchers utilize the instrument to study the protective buffering effects of strengths use on academic burnout, academic achievement, self-efficacy, and socioemotional adjustment among adolescents and emerging adults.
• Organizational Behavior Research: The scale enables organizational scholars to examine the structural antecedents and outcomes of strengths-conducive workplace environments, examining mediation pathways linking job crafting, leadership styles, employee engagement, turnover intentions, and counterproductive work behaviors.

5. Psychological Construct

The Strengths Use and Current Knowledge Scale measures distinct but intercorrelated constructs located at the intersection of cognitive metacognition, self-determination, and behavioral activation. In the full structural battery formulated by Govindji and Linley (2007) and subsequently expanded in positive psychological literature, three primary constructs are evaluated:

1. Strengths Knowledge

Strengths Knowledge represents an individual’s cognitive clarity, self-awareness, and explicit metacognitive insight regarding their personal competencies, talents, and optimal operational states. Rather than focusing on a singular skill or technical proficiency, strengths knowledge captures a generalized, authentic awareness of what one does best, when one operates at peak capability, and how one’s unique talents are perceived by oneself and others. Individuals scoring high on this dimension do not experience ambiguity or hesitation when asked to articulate their core qualities; they demonstrate a consolidated, integrated self-concept. Conversely, low scores signify cognitive alienation from one’s capacities, pervasive self-doubt, or an inability to identify personal masteries, often stemming from imposter phenomenon, depressive symptomology, or chronic deficit-focused feedback.

2. Strengths Use

Strengths Use represents the active behavioral manifestation, deployment, and contextual translation of an individual’s natural competencies across everyday life situations. Conceptualized not merely as a passive opportunity but as an active, agentic pursuit, strengths use reflects the regularity, intentionality, and natural ease with which a person applies their best qualities. Unlike strengths knowledge, which remains an intrapsychic cognitive state, strengths use is fundamentally behavioral, environmental, and dynamic. It captures whether an individual shapes their daily routine, workplace tasks, and social interactions to maximize the expression of their core capacities. High strengths use is characterized by feelings of flow, intrinsic energy, automaticity, and mastery, whereas low strengths use is marked by task misalignment, boredom, exhaustion, and constrained behavioral agency.

3. Organismic Valuing

Rooted in humanistic psychology, the Organismic Valuing dimension assesses the degree to which an individual relies upon their internal, intuitive, bodily felt sense of what is intrinsically fulfilling and growth-promoting, rather than adopting introjected, external societal expectations. Originally theorized by Carl Rogers, the organismic valuing process allows individuals to make life choices, select goals, and regulate behavior according to whether an experience enhances or diminishes the organism. In the context of Govindji and Linley’s research, organismic valuing operates as an internal guidance mechanism that informs both strengths knowledge and strengths use, ensuring that personal competencies are directed toward authentic, self-concordant objectives.

6. Theoretical Framework

The conceptual infrastructure of the Strengths Use and Current Knowledge Scale integrates three foundational psychological paradigms: Self-Determination Theory, Carl Rogers’ Humanistic Person-Centered Theory, and Sheldon and Kasser’s Model of Self-Concordance.

Self-Determination Theory and Basic Psychological Needs

Formulated by Edward L. Deci and Richard M. Ryan, Self-Determination Theory (SDT) posits that human psychological flourishing requires the satisfaction of three innate, basic psychological needs: autonomy (feeling volitional and self-directed), competence (experiencing mastery and behavioral efficacy), and relatedness (feeling connected to and valued by others). Strengths use directly fuels the fulfillment of these needs. When individuals engage their strengths, they naturally experience an elevated sense of competence because strengths represent domains of inherent mastery. Furthermore, because strengths are intrinsically tied to one’s core authentic self, utilizing them represents an autonomous act of self-expression. Govindji and Linley (2007) hypothesized and empirically validated that strengths use operates as an energetic conduit that satisfies basic psychological needs, translating directly into elevated subjective well-being and vitality.

Carl Rogers and the Organismic Valuing Process

In his seminal works on personality development, Carl Rogers (1951, 1961) argued that the human organism possess an innate drive toward actualization. Central to this drive is the organismic valuing process: an ongoing, subconscious evaluation of life experiences wherein individuals intuitively value experiences that maintain and enhance the organism and reject those that thwart growth. However, societal conditioning and conditional positive regard often cause individuals to internalize external “conditions of worth,” leading to psychological incongruence, alienation, and neurosis. By incorporating an explicit Organismic Valuing Scale, the theoretical model posits that individuals who are in tune with their organismic wisdom are significantly better equipped to recognize their true strengths (strengths knowledge) and deploy them in ways that are congruent with their authentic self (strengths use).

The Self-Concordance Model

Developed by Kennon M. Sheldon and Tim Kasser (1995, 1998), the Self-Concordance Model explores the psychological processes through which personal goals align with an individual’s deep-seated values and authentic interests. Self-concordant goals are pursued for intrinsic or identified reasons (e.g., enjoyment, personal meaning) rather than introjected or external pressures (e.g., guilt, status, financial mandates). Govindji and Linley (2007) established that strengths use is intimately related to goal self-concordance. When individuals know and use their strengths, they naturally select and pursue goals that resonate with their organismic core. This alignment enhances sustained effort, goal attainment, and emotional well-being, generating an upward spiral of personal growth and psychological resilience.

7. Validity

Extensive psychometric investigations have established robust evidence supporting the construct, convergent, discriminant, and predictive validity of the Strengths Use and Current Knowledge Scale across international contexts.

Construct and Structural Validity

Construct validity has been corroborated through multiple exploratory and confirmatory factor analyses. Studies confirm that while Strengths Knowledge and Strengths Use share a moderate-to-high positive correlation (typically ranging from r = .50 to r = .65), they emerge as distinct latent factors rather than a single collapsed dimension. This statistical separation validates the theoretical assertion that knowing one’s strengths does not automatically entail their application. For instance, workplace constraints, social roles, or psychological barriers can severely impede strengths use despite an individual possessing acute strengths knowledge.

Convergent Validity

Convergent validity is supported by strong, statistically significant correlations with established constructs across the flourishing spectrum:

• Subjective Well-Being: Strengths use exhibits strong positive correlations with the Satisfaction with Life Scale (SWLS; Diener et al., 1985), with coefficients consistently ranging between r = .45 and r = .63 (Govindji & Linley, 2007; Proctor et al., 2011).
• Affective Balance: Significant positive associations are documented with Positive Affect measured via the Positive and Negative Affect Schedule (PANAS; Watson, Clark, & Tellegen, 1988), alongside significant negative associations with Negative Affect (r = -.28 to r = -.41).
• Self-Esteem and Self-Efficacy: Both Strengths Knowledge and Strengths Use demonstrate robust convergent correlations with Rosenberg’s Self-Esteem Scale (r = .40 to .55) and General Self-Efficacy scales (r = .52 to .68).
• Vitality: The Subjective Vitality Scale (Ryan & Frederick, 1997) shows strong convergence with strengths use (r = .50 to .62), corroborating the theoretical premise that enacting core strengths generates psychological and physical energy.

Discriminant Validity

Discriminant validity has been demonstrated by contrasting the scale against measures of broad personality traits, psychological distress, and psychopathology:

• Big Five Personality Traits: While strengths use correlates moderately with Extraversion (r ≈ .35) and Conscientiousness (r ≈ .38), and negatively with Neuroticism (r ≈ -.36), structural equation models confirm that strengths use accounts for significant incremental variance in well-being and performance beyond the Five-Factor Model (Proctor, Maltby, & Linley, 2011).
• Depressive Symptoms and Anxiety: Strengths use demonstrates inverse relationships with the Beck Depression Inventory (BDI) and the Generalized Anxiety Disorder-7 (GAD-7), maintaining independence from simple negative affectivity.

Predictive and Incremental Validity

Longitudinal and hierarchical regression analyses show that strengths use prospectively predicts subsequent life satisfaction, health-related quality of life, and work engagement over intervals ranging from three months to a year. In a benchmark study by Proctor, Maltby, and Linley (2011) involving 214 participants, strengths use predicted subjective well-being and health-related quality of life even after controlling for baseline positive affect, negative affect, and self-esteem. In organizational contexts, longitudinal strengths use significantly predicts job performance ratings, organizational citizenship behaviors (OCB), and lower burnout rates (Linley, Govindji, & West, 2007).

8. Reliability

The Strengths Use and Current Knowledge Scale demonstrates outstanding internal consistency and temporal stability across a broad spectrum of empirical investigations, languages, and cultural demographics.

Internal Consistency Reliability

In the seminal validation investigation conducted by Govindji and Linley (2007) with an adult sample (N = 214), the internal consistency coefficients (Cronbach’s alpha, α) were exceptionally high across all three subscales:

• Strengths Use Scale (14 items): α = .95, reflecting remarkable homogeneity and minimal measurement error.
• Strengths Knowledge Scale (8 items): α = .89, demonstrating excellent internal coherence.
• Organismic Valuing Scale (8 items): α = .91, indicating strong scale reliability.

Subsequent psychometric investigations have continually replicated these strong alpha values. Proctor, Maltby, and Linley (2011) reported a Cronbach’s alpha of .94 for the Strengths Use Scale in a community sample. Cross-cultural adaptations have yielded comparable metrics, including German (α = .92 to .94), Spanish (α = .91), and Chinese (α = .93) validation studies. The brief 10-item adaptation curated by Aaron Jarden (2011) likewise exhibits robust internal consistency, yielding alphas of .86 for the 5-item knowledge dimension and .88 for the 5-item use dimension.

Temporal Stability (Test-Retest Reliability)

Test-retest evaluations over short-to-medium intervals confirm that the instrument captures stable, trait-like behavioral patterns while remaining sensitive to targeted psychological and coaching interventions. Test-retest reliability across a 4-week interval yielded intraclass correlation coefficients (ICC) ranging from r = .82 to .86 for Strengths Use and r = .84 for Strengths Knowledge. Over extended 6-month intervals in non-interventional control groups, stability coefficients remained elevated (r ≈ .72 to .78), demonstrating the reliability of the latent constructs over time while allowing sufficient psychometric plasticity to evaluate intervention effects.

9. Factor Analysis

Extensive psychometric investigations employing both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) validate the underlying latent dimensionality of the scales.

Exploratory Factor Analysis (EFA)

During initial scale development, principal components analysis (PCA) with oblimin and varimax rotations was executed on the pool of items. For the 14-item Strengths Use Scale, scree plot inspection and Kaiser’s criterion (eigenvalues > 1.0) revealed a robust single-factor structure accounting for over 60% of the total variance. All 14 items loaded cleanly onto this primary factor, with standardized factor loadings ranging between .68 and .86, demonstrating exceptional item discrimination with zero problematic cross-loadings. Similarly, analysis of the Strengths Knowledge Scale revealed a dominant primary factor explaining 58% of the variance, with item loadings ranging from .62 to .83 (Govindji & Linley, 2007).

Confirmatory Factor Analysis (CFA) and Model Fit

Subsequent confirmatory investigations using structural equation modeling software (e.g., AMOS, Mplus, lavaan) have evaluated various competing structural models: a single-factor common model (combining Knowledge and Use), an orthogonal two-factor model, and an oblique (correlated) two-factor model. Goodness-of-fit was evaluated using standard psychometric indices: the Chi-Square to degrees of freedom ratio (χ²/df < 3.0), Comparative Fit Index (CFI ≥ .95), Tucker-Lewis Index (TLI ≥ .95), Root Mean Square Error of Approximation (RMSEA ≤ .06), and Standardized Root Mean Square Residual (SRMR ≤ .05).

The empirical fit metrics conclusively favor the multidimensional correlated models. Standardized factor loadings across all items exceed .60, with individual item residual variances remaining within acceptable parameters, verifying strong structural fidelity.

10. Instrument / Measurement Tool

• Instrument Name: Strengths Use and Current Knowledge Scale (SUCK); comprising the Strengths Use Scale (SUS), Strengths Knowledge Scale (SKS), and Organismic Valuing Scale (OVS).
• Authors: Rashmin Govindji and P. Alex Linley (2007); adaptation by Aaron Jarden (2011).
• Test Type: Self-report psychometric questionnaire; positive psychological assessment.
• Target Population: Adults, working professionals, college students, and adolescents aged 16 and older.
• Administration Format: Pen-and-paper, online electronic survey, or clinical interview administration.
• Administration Duration: Approximately 5 to 10 minutes for the full 30-item battery; 2 to 3 minutes for the brief 10-item adaptation.
• Item Composition:
  • Strengths Use Scale (SUS): 14 items.
  • Organismic Valuing Scale (OVS): 8 items.
  • Strengths Knowledge Scale (SKS): 8 items.
  • Adaptation (Aaron Jarden, 2011): 10 items (5 Knowledge items, 5 Use items) plus 1 percentage metric item.
• Response Scale: 7-point Likert-type scale scored as follows:
  • 1 = Strongly disagree
  • 2 = Disagree
  • 3 = Slightly disagree
  • 4 = Neither agree nor disagree
  • 5 = Slightly agree
  • 6 = Agree
  • 7 = Strongly agree
• Scoring Procedures:
  • Reverse Scoring: Item 2 of the Strengths Knowledge Scale (“I have to think hard about what my strengths are”) is reverse-coded (1=7, 2=6, 3=5, 4=4, 5=3, 6=2, 7=1). In Jarden’s 10-item adaptation, Item 4 (“I have to think hard about what my strengths are”) is similarly reverse-coded.
  • Subscale Scores: Individual subscale scores are computed either as a sum score or as a mean item score (sum of items divided by number of items in that subscale):
    • Strengths Use: Sum ranges from 14 to 98 (or mean from 1.00 to 7.00).
    • Strengths Knowledge: Sum ranges from 8 to 56 (or mean from 1.00 to 7.00).
    • Organismic Valuing: Sum ranges from 8 to 56 (or mean from 1.00 to 7.00).
  • Percentage Estimation Metric (Jarden Adaptation): Evaluates the behavioral proportion of waking or working time spent utilizing personal strengths, rated from 0% to 100% in 10% increments.
  • Interpretation Benchmarks: Mean scores ≥ 5.50 denote high strengths alignment and enactment; scores between 4.00 and 5.49 indicate moderate utilization; scores ≤ 3.99 indicate substantial barriers to strengths awareness or environmental deployment opportunities.

11. Permissions & Fee and Test Year

The Strengths Use and Current Knowledge scales were first published in 2007 by Rashmin Govindji and P. Alex Linley in the International Coaching Psychology Review. The instrument was developed within an open academic research framework to advance the scientific assessment of positive psychological capacities.

• Test Year: 2007 (Original full battery); 2011 (Adaptation by Aaron Jarden).
• Fee and Commercial Licensing: The scales are free of charge for non-commercial academic research, educational instruction, and individual clinical/coaching exploratory use, provided appropriate scholarly attribution is maintained. Commercial applications, proprietary software integrations, or large-scale corporate consulting platforms derived from commercialized toolsets (such as Cappfinity / Realise2) may require formal commercial licensing agreements.
• Access and Reproduction: The complete instrument items are published openly in peer-reviewed academic literature and can be downloaded via scholarly repositories such as ResearchGate or accessed through Aaron Jarden’s positive psychology repository. Researchers are encouraged to cite the seminal 2007 validation article in all resulting empirical publications.

12. References

• Diener, E., Emmons, R. A., Larsen, R. J., & Griffin, S. (1985). The Satisfaction with Life Scale. Journal of Personality Assessment, 49(1), 71–75. https://doi.org/10.1207/s15327752jpa4901_13
• Govindji, R., & Linley, P. A. (2007). Strengths use, self-concordance and well-being: Implications for strengths coaching and coaching psychologists. International Coaching Psychology Review, 2(2), 143–153. https://www.researchgate.net/publication/47528957
• Jarden, A. (2011). Positive psychological assessment: A practical introduction to empirically validated research tools for measuring wellbeing. Research Repository. http://www.aaronjarden.com/aarons-professional-page.html
• Jarden, A., & Jarden, R. (2016). Positive psychological assessment for the workplace. In L. G. Oades, M. F. Steger, A. Delle Fave, & J. Passmore (Eds.), The Wiley-Blackwell Handbook of Positive Psychology at Work (pp. 415–437). Wiley-Blackwell. https://doi.org/10.1002/9781118977620.ch22
• Linley, P. A. (2008). Average to A+: Realising strengths in yourself and others. CAPP Press.
• Linley, P. A., Govindji, R., & West, M. A. (2007). Positive psychology approaches to public services leadership: An introduction to strengths-based leadership. The International Journal of Leadership in Public Services, 3(4), 44–55. https://doi.org/10.1108/17479886200700028
• Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification. Oxford University Press / American Psychological Association.
• Proctor, C., Maltby, J., & Linley, P. A. (2011). Strengths use as a predictor of well-being and health-related quality of life. Journal of Happiness Studies, 12(1), 153–169. https://doi.org/10.1007/s10902-009-9181-2
• Rogers, C. R. (1951). Client-centered therapy: Its current practice, implications and theory. Houghton Mifflin.
• Rogers, C. R. (1961). On becoming a person: A therapist’s view of psychotherapy. Houghton Mifflin.
• 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
• Ryan, R. M., & Frederick, C. (1997). On energy, personality, and health: Subjective vitality as a dynamic reflection of well-being. Journal of Personality, 65(3), 529–565. https://doi.org/10.1111/j.1467-6494.1997.tb00326.x
• Sheldon, K. M., & Kasser, T. (1995). Coherence and congruence: Two aspects of personality integration. Journal of Personality and Social Psychology, 68(3), 531–543. https://doi.org/10.1037/0022-3514.68.3.531
• Sheldon, K. M., & Kasser, T. (1998). Pursuing personal goals: Skills enable progress, but not all progress is beneficial. Personality and Social Psychology Bulletin, 24(12), 1319–1331. https://doi.org/10.1177/01461672982412006
• Watson, D., Clark, L. A., & Tellegen, A. (1988). Development and validation of brief measures of positive and negative affect: The PANAS scales. Journal of Personality and Social Psychology, 54(6), 1063–1070. https://doi.org/10.1037/0022-3514.54.6.1063

13. Items of the Scale (Questionnaire)