Flourishing Scale (FS)

Abstract

The Flourishing Scale (FS), originally introduced as the Psychological Well-Being Scale by Ed Diener and colleagues in 2009 and formally published in 2010, is an 8-item self-report instrument engineered to measure an individual’s self-perceived success across critical domains of positive human functioning. Emerging from the intersection of humanistic psychology, eudaemonic well-being, and modern psychometrics, the instrument provides a succinct summary assessment of core psychosocial assets, including purpose in life, supportive social relationships, active engagement, competence, self-esteem, optimism, and prosocial contribution. Each item is rated on a 7-point Likert response scale ranging from 1 (Strongly disagree) to 7 (Strongly agree), yielding a unidimensional global well-being score bounded between 8 and 56, with higher scores reflecting abundant psychological resources and flourishing mental health. Psychometric evaluations across diverse non-clinical, collegiate, organizational, and cross-cultural cohorts demonstrate robust internal consistency (Cronbach’s α typically ranging between .86 and .91; McDonald’s ω ≥ .88) and acceptable temporal stability over one-month test-retest intervals (r = .71). Exploratory and confirmatory factor analyses consistently substantiate a unidimensional factor structure, explaining more than 50% of the total variance with factor loadings ranging from .61 to .77. The FS exhibits pronounced convergent validity with established measures of subjective well-being, life satisfaction, and psychological flourishing, while maintaining distinct discriminant validity against affective symptoms and neuroticism. Given its psychometric economy, brevity, and sound theoretical grounding, the Flourishing Scale has gained widespread adoption as an efficient assessment metric in positive psychology, epidemiological surveys, occupational health, and preventative behavioral medicine.

Keywords

Flourishing Scale, psychological well-being, eudaimonia, subjective well-being, positive psychology, human flourishing, self-determination theory, psychometrics, Ed Diener, positive functioning

Authors

The Flourishing Scale was conceived, developed, and validated by an international collaborative group of prominent personality and well-being researchers led by the late Dr. Edward F. Diener (“Dr. Happiness”). The scale developers and their primary institutional affiliations at the time of development include:

• Edward F. Diener, Ph.D. — Department of Psychology, University of Illinois at Urbana-Champaign, USA; The Gallup Organization.
• Derrick Wirtz, Ph.D. — Department of Psychology, University of British Columbia (Okanagan Campus), Canada; previously University of Illinois at Urbana-Champaign.
• William Tov, Ph.D. — School of Social Sciences, Singapore Management University, Singapore.
• Chu Kim-Prieto, Ph.D. — Department of Psychology, The College of New Jersey, USA.
• Dong-won Choi, Ph.D. — Department of Psychology, California State University, East Bay, USA.
• Shigehiro Oishi, Ph.D. — Department of Psychology, University of Virginia, USA; currently Department of Psychology, University of Chicago.
• Robert Biswas-Diener, Ph.D. — Centre for Applied Positive Psychology, UK; Portland State University, USA.

Purpose

The primary purpose of the Flourishing Scale (FS) is to provide an efficient, comprehensive, and theoretically integrated self-report instrument that captures the socio-psychological facets of human flourishing. For decades, subjective well-being (SWB) was operationalized predominantly through a hedonic lens, focusing on emotional affect balance (frequent positive affect and infrequent negative affect) and cognitive life satisfaction, as operationalized by instruments such as the Satisfaction with Life Scale (SWLS; Diener et al., 1985). Although these constructs remain vital, contemporary behavioral scientists recognized that positive mental health extends beyond pleasant affective states to encompass eudaemonic functioning—namely, leading a life characterized by purpose, meaningful relationships, personal growth, mastery, and mutual respect.

Prior to the introduction of the FS, researchers seeking to measure eudaemonic well-being relied on extensive multi-dimensional inventories, most notably Carol Ryff’s 84-item or 54-item Psychological Well-Being (PWB) scales, or Corey Keyes’ 40-item Social Well-Being scales. While psychometrically rich, the sheer length of these instruments rendered them impractical for large-scale epidemiological investigations, national longitudinal panels, multi-construct organizational audits, and rapid clinical intakes where respondent burden, survey fatigue, and cognitive load must be minimized. The FS was engineered explicitly to distill the essential components of optimal psychological functioning into an 8-item measure that can be administered in less than two minutes without sacrificing psychometric integrity.

In clinical, counseling, and coaching domains, the FS serves not as a diagnostic metric for psychopathology, but as an inventory of psychological capital, self-perceived strengths, and socio-emotional resources. It is ideally suited for non-clinical cohorts, executive coaching, university counseling centers, and preventative interventions aimed at shifting individuals from languishing or moderate mental health to flourishing. In academic research, the FS allows investigators to test complex structural equation models examining the interplay between hedonic satisfaction, psychological flourishing, somatic health outcomes, occupational productivity, and community resilience.

Psychological Construct

The construct assessed by the Flourishing Scale is “flourishing,” conceptualized as a multi-faceted manifestation of positive psychosocial functioning. Rather than treating well-being solely as subjective happiness or contentment, flourishing synthesizes multiple theoretical paradigms of positive psychological functioning into an integrated, single-factor continuum. The 8 items of the scale deliberately operationalize eight distinct, interrelated pillars of human thriving:

• Purpose and Meaning in Life (Item 1): Evaluates the degree to which an individual experiences their existence as purposeful, coherent, and directed toward significant life goals. This draws directly upon existential psychology and Viktor Frankl’s logotherapy, reflecting an internal compass that anchors daily living in overarching significance.
• Supportive and Rewarding Relationships (Item 2): Assesses relational well-being and the presence of reciprocal, high-quality social connections. This pillar captures attachment security, relational intimacy, and perceived social support, which have repeatedly emerged as the single strongest protective factor for psychological resilience and physical longevity.
• Active Engagement and Interest (Item 3): Measures the state of sustained absorption, curiosity, and vitality within one’s daily milieu. This dimension captures Mihaly Csikszentmihalyi’s concept of flow and deep psychological involvement, reflecting a life lived with dynamic interest rather than passive apathy or detachment.
• Generativity and Contribution (Item 4): Reflects the prosocial orientation of the individual and their active contribution to the well-being of others. Rooted in Erik Erikson’s developmental concept of generativity and contemporary research on prosocial behavior, this domain acknowledges that flourishing requires social utility, altruism, and positive societal impact.
• Competence and Self-Efficacy (Item 5): Measures personal mastery and perceived capability in domains the individual deems personally valuable. Aligning with Albert Bandura’s self-efficacy theory and Self-Determination Theory, this component evaluates whether an individual feels effective, agentic, and capable of overcoming obstacles.
• Self-Acceptance and Moral Integrity (Item 6): Evaluates self-respect, moral coherence, and the holistic evaluation of oneself as a virtuous, benevolent person living a worthy life. This reflects classical Aristotelian virtue ethics, indicating that subjective evaluations of flourishing are inextricably linked to one’s moral self-concept.
• Dispositional Optimism (Item 7): Assesses forward-looking hope, positive expectancy, and confidence regarding one’s future trajectory. Drawing on Scheier and Carver’s optimism paradigm, this facet captures an affective-cognitive orientation that facilitates persistent goal pursuit and adaptive coping under adversity.
• Social Respect and Recognition (Item 8): Captures perceived social standing, respect, and positive regard from one’s social group. Reflecting social identity theory and socio-cultural belonging, this item evaluates whether an individual feels validated, appreciated, and valued by peers and community members.

Crucially, while each item taps a theoretically demarcated domain of positive psychological functioning, empirical evidence shows that these domains covary strongly, forming a coherent, unidimensional latent construct of flourishing.

Theoretical Framework

The Flourishing Scale is grounded in a synthesis of major contemporary and classical psychological frameworks. Foremost among these is Self-Determination Theory (SDT), formulated by Edward L. Deci and Richard M. Ryan. SDT posits that optimal psychological growth, integrity, and vitality are contingent upon the satisfaction of three universal basic psychological needs: autonomy (experiencing volition and personal agency), competence (feeling effective in interacting with the environment), and relatedness (feeling connected to and cared for by significant others). The FS directly operationalizes competence (Item 5) and relatedness (Item 2), while implicitly embedding autonomy through the pursuit of self-concordant purpose (Item 1) and active engagement (Item 3).

A second foundational pillar is Carol Ryff’s model of Psychological Well-Being (1989), which formalized six dimensions of eudaimonia: autonomy, environmental mastery, personal growth, positive relations with others, purpose in life, and self-acceptance. Diener and colleagues sought to capture the essence of Ryff’s multidimensional taxonomy while streamlining the measurement architecture. By integrating Ryff’s conceptual dimensions with concepts of social well-being proposed by Corey Keyes (1998)—specifically social contribution, social integration, and social actualization—the FS achieves a comprehensive macro-level mapping of mental health.

Furthermore, the scale incorporates core tenets of positive psychology’s broad-gauge paradigms, including Martin Seligman’s PERMA model (Positive Emotion, Engagement, Relationships, Meaning, Accomplishment). Although Seligman articulated the PERMA framework concurrently with and slightly after Diener’s 2009/2010 publications, both models share identical theoretical lineages: the Aristotelian imperative of eudaimonia (human flourishing through the realization of one’s highest potentials and virtuous action) rather than mere hedonia (the pursuit of immediate physical and sensory pleasure).

Validity

The psychometric validity of the Flourishing Scale has been rigorously examined across multiple empirical investigations worldwide, encompassing clinical, community, occupational, and student samples.

Construct and Factorial Validity

In the seminal development study conducted by Diener et al. (2010) across six diverse collegiate samples from the United States and Singapore (total N = 689), construct validity was established through exploratory and confirmatory factor analysis. Principal axis factor analysis demonstrated that all 8 items loaded robustly onto a single unrotated factor (eigenvalue = 4.24), explaining 53% of the total variance, with factor loadings ranging from .61 to .77. No secondary factors achieved eigenvalues exceeding 1.0, substantiating structural unidimensionality.

Convergent Validity

The FS demonstrates high convergent correlations with a broad spectrum of established positive psychology instruments. Diener et al. (2010) observed significant positive correlations between the FS and:

• The Satisfaction with Life Scale (SWLS; r = .78, p < .001)
• The Lyubomirsky and Lepper Subjective Happiness Scale (SHS; r = .74, p < .001)
• The Positive Affect subscale of the PANAS (Watson et al., 1988; r = .65, p < .001)
• Ryff’s Psychological Well-Being subscales, with correlations ranging from .50 to .73 (most strongly with Self-Acceptance and Purpose in Life)
• Deci and Ryan’s Basic Psychological Need Satisfaction Scale (r = .73, p < .001)
• Scheier and Carver’s Life Orientation Test-Revised (LOT-R; r = .67, p < .001)

Discriminant Validity

Discriminant validity is supported by moderate-to-strong negative correlations with indices of psychological distress and affective disorders. The FS correlates negatively with the Negative Affect subscale of the PANAS (r = -.41, p < .001), the Beck Depression Inventory (BDI; r = -.60, p < .001), and standard measures of neuroticism, loneliness, and perceived stress. Although closely aligned with life satisfaction, multitrait-multimethod analyses demonstrate that the FS captures unique variance associated with socio-psychological functioning that is not accounted for by cognitive evaluations of life conditions alone.

Cross-Cultural and Longitudinal Validity

The scale has undergone extensive international validation, demonstrating strong measurement invariance across cultural contexts. Robust psychometric properties and single-factor structures have been validated in French, German, Japanese, Portuguese, Chinese, Turkish, Italian, and Spanish adaptations. Longitudinal studies in occupational settings have demonstrated that baseline FS scores predict prospective job performance, lower voluntary turnover, reduced somatic symptom reporting, and lower absenteeism over 6- to 12-month follow-up windows, confirming strong predictive validity.

Reliability

The Flourishing Scale exhibits high reliability across varied demographic cohorts, languages, and study designs.

Internal Consistency

In the original validation cohorts analyzed by Diener et al. (2010), the FS demonstrated excellent internal consistency, yielding an overall Cronbach’s alpha (α) coefficient of .87. Subsequent independent replications across international samples have corroborated this finding:

• Hone, Jarden, and Schofield (2014) in a large New Zealand national representative sample (N = 10,009) reported a Cronbach’s α of .89.
• Silva and Caetano (2013) reported an α of .87 in a Portuguese organizational cohort.
• Esch et al. (2013) demonstrated an α of .85 in a German community sample.
• Sumi (2014) reported an α of .88 in a Japanese collegiate and adult sample.

Modern psychometric evaluations reporting McDonald’s omega (ω) regularly observe values between .88 and .91, demonstrating that the scale does not violate the tau-equivalence assumptions that can compromise Cronbach’s alpha.

Test-Retest Stability

Temporal stability assessments reveal that while the FS captures subjective evaluations that can change following major life events or positive psychological interventions, it reflects a stable psychological baseline over intermediate timeframes. In the original validation study, Diener et al. (2010) administered the instrument across a one-month test-retest interval among undergraduate participants, obtaining a Pearson stability coefficient of r = .71 (p < .001). Subsequent studies assessing stability over shorter intervals (e.g., 2 weeks) have observed coefficients as high as r = .82, confirming appropriate trait-like temporal stability paired with sensitivity to therapeutic or psychoeducational change.

Factor Analysis

Extensive structural analyses utilizing both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) have consistently affirmed the unidimensionality of the Flourishing Scale.

Exploratory Factor Analysis (EFA)

In the primary development phase, EFA was performed using principal axis factoring with scree plot examination. The extraction revealed a solitary dominant factor with an initial eigenvalue of 4.24, accounting for 53.0% of the common item variance. The second factor yielded an eigenvalue of only 0.72, well below Kaiser’s standard retention threshold of 1.0, and the Cattell scree plot confirmed a sharp drop-off after the first extraction. Standardized factor loadings across the 8 items in the original validation study were as follows:

• Item 1 (Purposeful and meaningful life): λ = .72
• Item 2 (Supportive and rewarding relationships): λ = .64
• Item 3 (Engaged and interested): λ = .68
• Item 4 (Contribute to happiness/well-being of others): λ = .61
• Item 5 (Competent and capable): λ = .69
• Item 6 (Good person and live a good life): λ = .77
• Item 7 (Optimistic about future): λ = .69
• Item 8 (People respect me): λ = .61

Confirmatory Factor Analysis (CFA)

Confirmatory factor analyses across diverse international samples have uniformly verified that a single-factor model demonstrates excellent fit to empirical data. In typical analyses, standard maximum likelihood (ML) or robust maximum likelihood (MLR) estimation yields goodness-of-fit indices that comfortably satisfy Hu and Bentler’s conservative thresholds:

• Comparative Fit Index (CFI): Ranges between .96 and .99.
• Tucker-Lewis Index (TLI): Ranges between .94 and .98.
• Root Mean Square Error of Approximation (RMSEA): Ranges between .042 and .062 (with 90% confidence intervals below .08).
• Standardized Root Mean Square Residual (SRMR): Ranges between .025 and .040.

Measurement Invariance

Multi-group CFA evaluations have established configural, metric (weak), and scalar (strong) measurement invariance across genders, diverse age groups (young adults versus older adults), and cross-national populations (e.g., USA vs. East Asian vs. European cohorts). This confirms that the FS measures an equivalent underlying psychological construct with comparable item calibrations, permitting valid cross-group comparisons of latent means.

Instrument / Measurement Tool

The Flourishing Scale is formatted as a standardized, brief self-report psychological metric. Its structural and administrative parameters include:

• Instrument Name: Flourishing Scale (FS)
• Alternative Historical Name: Psychological Well-Being Scale (PWS)
• Developers: Ed Diener, Derrick Wirtz, William Tov, Chu Kim-Prieto, Dong-won Choi, Shigehiro Oishi, and Robert Biswas-Diener
• Publication Year: 2009 (advance online publication); 2010 (formal journal publication)
• Construct Assessed: Self-perceived psychological flourishing, psychosocial resources, and optimal functioning
• Format / Administration Mode: Paper-and-pencil questionnaire, computerized survey, or mobile assessment; self-administered
• Target Population: Non-clinical adults, college students, working professionals, and general community populations aged 16 and older
• Number of Items: 8 items
• Response Scale: 7-point Likert scale (1 = Strongly disagree, 2 = Disagree, 3 = Slightly disagree, 4 = Mixed or neither agree nor disagree, 5 = Slightly agree, 6 = Agree, 7 = Strongly agree)
• Scoring Procedure:
  • All 8 items are worded positively in the direction of flourishing.
  • There are no reverse-scored items.
  • Total score is calculated by summing the numerical ratings across all 8 items.
  • Possible raw score range: 8 to 56.
• Score Interpretation:
  • 48 to 56 (High Flourishing): Indicates that the respondent views themselves in very positive terms across all core life domains. The person reports strong psychological capital, high-quality social relationships, purpose, engagement, and optimism.
  • 38 to 47 (Moderate / Average Flourishing): Typical score range for community and college populations (original normative mean = 44.97, SD = 6.56). Reflects an individual who functions well in many areas but may experience deficits or ambivalence in specific domains (e.g., social connections or sense of competence).
  • 8 to 37 (Low Flourishing / Languishing): Suggests that the respondent perceives substantial limitations across multiple areas of personal functioning, characterized by low social support, lack of purpose, reduced engagement, or diminished optimism.
• Administration Time: Approximately 1 to 2 minutes

Permissions & Fee and Test Year

The Flourishing Scale was developed and published between 2009 and 2010. In keeping with the philosophy of Dr. Edward Diener and his research collaborative, the Flourishing Scale is dedicated to the public domain for research, educational, clinical, and non-commercial organizational applications. No permission or licensing fee is required to use, reproduce, or translate the instrument, provided that appropriate scholarly attribution is given to the authors and the original 2010 publication.

Researchers and practitioners wishing to use the FS may freely download and administer the scale from academic repositories or Dr. Ed Diener’s official academic legacy archive (hosted through the University of Illinois and the University of Utah). Commercial entities incorporating the scale into commercial assessment software packages or fee-based consulting frameworks are requested to cite the original authors in all reporting materials.

References

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Deci, E. L., & Ryan, R. M. (2000). The “what” and “why” of goal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry, 11(4), 227–268. https://doi.org/10.1207/S15327965PLI1104_01

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

Diener, E., Wirtz, D., Tov, W., Kim-Prieto, C., Choi, D., Oishi, S., & Biswas-Diener, R. (2009). New measures of well-being: Flourishing and positive and negative feelings. Social Indicators Research, 39, 247–266.

Diener, E., Wirtz, D., Tov, W., Kim-Prieto, C., Choi, D., Oishi, S., & Biswas-Diener, R. (2010). New well-being measures: Short scales to assess flourishing and positive and negative feelings. Social Indicators Research, 97(2), 143–156. https://doi.org/10.1007/s11205-009-9493-y

Esch, T., Jose, G., Gimpel, C., von Scheidt, W., & Michalsen, A. (2013). Die Flourishing Scale (FS) von Diener et al. liegt jetzt in einer validierten deutschen Fassung (FS-D) vor. Forschende Komplementärmedizin, 20(4), 267–275. https://doi.org/10.1159/000354414

Hone, L. C., Jarden, A., & Schofield, G. M. (2014). An evaluation of positive psychology intervention effectiveness trials using the mental health continuum-short form and flourishing scale. The Journal of Positive Psychology, 9(5), 436–446. https://doi.org/10.1080/17439760.2014.920411

Keyes, C. L. M. (1998). Social well-being. Social Psychology Quarterly, 61(2), 121–140. https://doi.org/10.2307/2787065

Lyubomirsky, S., & Lepper, H. S. (1999). A measure of subjective happiness: Preliminary reliability and construct validation. Social Indicators Research, 46(2), 137–155. https://doi.org/10.1023/A:1006824100041

Ryff, C. D. (1989). Happiness is everything, or is it? Explorations on the meaning of psychological well-being. Journal of Personality and Social Psychology, 57(6), 1069–1081. https://doi.org/10.1037/0022-3514.57.6.1069

Scheier, M. F., Carver, C. S., & Bridges, M. W. (1994). Distinguishing optimism from neuroticism (and trait anxiety, self-mastery, and self-esteem): A reevaluation of the Life Orientation Test. Journal of Personality and Social Psychology, 67(6), 1063–1078. https://doi.org/10.1037/0022-3514.67.6.1063

Seligman, M. E. P. (2011). Flourish: A visionary new understanding of happiness and well-being. Free Press.

Silva, A. J., & Caetano, A. (2013). Validation of the Flourishing Scale and Scale of Positive and Negative Experience in Portugal. Social Indicators Research, 110(2), 469–478. https://doi.org/10.1007/s11205-011-9938-y

Sumi, K. (2014). Reliability and validity of the Japanese version of the Flourishing Scale. Japanese Journal of Psychology, 84(6), 565–574. https://doi.org/10.4992/jjpsy.84.565

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)