Contentment with Life Assessment Scale (CLAS)

A psychometric review and complete questionnaire guide for the Contentment with Life Assessment Scale (CLAS), developed by Lavallee, Hatch, Michalos, and McKinley (2007) to measure global life satisfaction and cognitive self-discrepancies.

Dr. Mohammed Looti An academic and researcher specialized in
PUBLISHED
Scientifically Reviewed · Dr. Marwa Abd-Alazim · October 3, 2026
Medically & Scientifically Reviewed Verified: October 3, 2026
Dr. Marwa Abd-Alazim PhD in Psychology
Faculty Member • University of Kerbala
Review Criteria & Clinical Standards

This content undergoes rigorous scientific peer-review and medical editorial standards at Arab Psychology Network to ensure clinical accuracy, validity, and compliance with evidence-based guidelines from leading psychological and healthcare authorities (APA / WHO).

1. Abstract

The Contentment with Life Assessment Scale (CLAS) is a psychometrically validated, five-item self-report questionnaire engineered to quantify global subjective well-being and life satisfaction through the dual lenses of perceived life fulfillment and cognitive self-discrepancy. Developed by Loraine F. Lavallee, P. Maurine Hatch, Alex C. Michalos, and Tara McKinley (2007), the instrument was devised to address a pervasive psychometric artifact in subjective well-being research: the pronounced positive skewness frequently observed on classical measures such as the Satisfaction with Life Scale (SWLS), wherein general population samples routinely score well above theoretical neutrality. The CLAS assesses whether an individual experiences pervasive contentment, lives life to its fullest, and reconciles the gap between current life states and personal aspirations. Administered using a 7-point Likert-type scale spanning from 1 (strongly disagree) to 7 (strongly agree), the instrument incorporates three positively keyed items reflecting fullness and lack of deprivation alongside two reverse-keyed items capturing unfulfilled aspirations and lifestyle constraints. Psychometric evaluations demonstrate a robust unidimensional factor structure, high internal consistency reliability (with Cronbach’s alpha coefficients routinely exceeding .80 to .87 across student and community samples), and strong temporal stability. The instrument exhibits convergent validity with related indicators of positive affect, global life evaluation, and domain-specific satisfaction, while displaying discriminant validity against somatic affect, social desirability, and transient mood states. Furthermore, ecological validation studies utilizing daily experience sampling corroborate that scores on the CLAS accurately reflect respondents’ everyday affective experiences and concrete behavioral evaluations, making it an indispensable, brief psychometric tool for clinical screening, epidemiological surveys, and positive psychological interventions.

2. Keywords

Contentment with Life Assessment Scale, CLAS, subjective well-being, life satisfaction, psychological contentment, self-discrepancy theory, psychometrics, positive psychology, quality of life, cognitive well-being

3. Authors

The Contentment with Life Assessment Scale was formulated, evaluated, and introduced by an interdisciplinary team of researchers specializing in social indicators, quality of life, and environmental-social psychology:

  • Loraine F. Lavallee, Ph.D. — Associate Professor of Psychology, Department of Psychology, University of Northern British Columbia (UNBC), Prince George, British Columbia, Canada. Dr. Lavallee’s scholarship spans subjective quality of life, cognitive appraisals of environmental change, decision-making, and psychological well-being.
  • P. Maurine Hatch, Ph.D. — Researcher and collaborator in applied psychological measurement and social indicators research, University of Northern British Columbia, Canada.
  • Alex C. Michalos, Ph.D., F.R.S.C. — Professor Emeritus of Political Science and former Director of the Institute for Social Research and Evaluation, University of Northern British Columbia; Founding Editor of Social Indicators Research and the Journal of Business Ethics. Dr. Michalos is internationally recognized for his pioneering development of Multiple Discrepancies Theory (MDT) and extensive empirical contributions to well-being measurement.
  • Tara McKinley, M.A. — Department of Psychology and Institute for Social Research and Evaluation, University of Northern British Columbia, Canada.

4. Purpose

The primary purpose of the Contentment with Life Assessment Scale (CLAS) is to capture a balanced, ecologically grounded measure of perceived global life satisfaction and contentment. For decades, subjective well-being researchers recognized an empirical conundrum: across industrialized Western societies (most notably Anglo-American populations), general population samples almost invariably register self-reported life satisfaction scores that fall substantially above the conceptual midpoint of traditional scales. While standard instruments such as the Satisfaction with Life Scale (SWLS) typically yield mean ratings indicative of high satisfaction, deeper qualitative explorations, structured daily diaries, and experience sampling methodologies frequently uncover that everyday life experiences are characterized by mixed affective valences, chronic role strain, and perceived trade-offs.

Lavallee and colleagues (2007) argued that this persistent ceiling or positivity bias does not necessarily signify that the average citizen experiences unbridled flourishing. Rather, traditional instruments may suffer from semantic framing that invites acquiescence, self-protective normative reporting, or superficial cognitive evaluations that mask salient aspirations and unfulfilled goals. The CLAS was specifically designed to mitigate these measurement artifacts by balancing assertions of holistic contentment (e.g., “Nothing is currently lacking in my life”) with explicit reflections on aspirational shortfalls and perceived behavioral constraints (e.g., “When I examine my life as a whole, I feel I am not meeting my aspirations”). By directly evoking cognitive comparisons between actual circumstances and desired trajectories, the CLAS fosters a more rigorous, reflective self-evaluation.

In research contexts, the CLAS is utilized to evaluate how socioeconomic policies, healthcare interventions, working conditions, and ecological environments impact human well-being. Because the scale incorporates explicit assessments of discrepancy, it is uniquely sensitive to interventions that aim to reduce perceived deprivations or align daily lifestyle patterns with core values. In clinical and counseling psychology, the CLAS serves as a rapid diagnostic screen to distinguish between clients who experience isolated negative affect and those who suffer from pervasive existential discontent or unactualized potential. By pinpointing whether low well-being stems from a general absence of contentment or specific feelings of missed aspirations, clinicians can tailor therapeutic strategies—such as Acceptance and Commitment Therapy (ACT) or Cognitive Behavioral Therapy (CBT)—to address cognitive discrepancies directly.

5. Psychological Construct

The core psychological construct measured by the CLAS is life contentment, conceptualized as a cognitive, judgmental appraisal of one’s life as an integrated whole, wherein an individual perceives internal harmony, fulfillment of aspirations, and an absence of debilitating deficiency. Unlike purely affective measures that track the transient frequency and intensity of positive or negative emotions (such as the PANAS), contentment is an evaluative judgment that operates at a higher level of cognitive synthesis.

The construct encompasses several interrelated psychological facets operationalized within a unified dimension:

  • Holistic Contentment and Harmony: Exemplified by the assertion “I am very content with my life,” this dimension represents a state of psychological peace and acceptance regarding one’s cumulative life trajectory. It reflects a state of serenity wherein individuals evaluate their current reality not merely as bearable, but as intrinsically rewarding.
  • Vitality and Experiential Fullness: Captured by “I am living my life to the fullest,” this facet probes the degree to which an individual experiences purposeful agency, active engagement, and the realization of their capabilities. It bridges hedonia (pleasure) and eudaimonia (human flourishing and self-actualization), assessing whether respondents feel their days are substantively utilized or squandered in passivity.
  • Aspirational Congruence vs. Discrepancy: Operationalized through the reverse-keyed statement “When I examine my life as a whole, I feel I am not meeting my aspirations,” this facet measures the perceived distance between an individual’s ideal or expected accomplishments and their concrete, realized milestones. When aspirations are perceived as chronically unmet, cognitive dissonance and existential frustration erode overall life contentment.
  • Behavioral Autonomy and Lifestyle Alignment: Reflected in the reverse-keyed item “I feel dissatisfied because I’m not doing everything that I want to be doing in my life,” this dimension evaluates constraints on perceived behavioral freedom, volitional time allocation, and self-determination. It taps into the psychological frustration that emerges when individuals feel encumbered by structural, economic, or occupational obligations that prevent authentic living.
  • Satiety and Perceived Completeness: Expressed in “Nothing is currently lacking in my life,” this element assesses the cognitive absence of perceived deficits. It represents psychological abundance—a subjective evaluation that one’s physiological, relational, emotional, and material reserves are sufficient, eliminating chronic yearning or comparative envy.

6. Theoretical Framework

The Contentment with Life Assessment Scale is anchored in two foundational paradigms within cognitive psychology and social indicators research: Self-Discrepancy Theory formulated by E. Tory Higgins (1987) and Multiple Discrepancies Theory (MDT) established by Alex C. Michalos (1985).

Higgins’s Self-Discrepancy Theory posits that individuals maintain cognitive representations of multiple domains of the self: the actual self (the representation of the attributes someone believes they possess), the ideal self (the representation of the attributes someone would ideally like to possess, reflecting hopes, aspirations, or wishes), and the ought self (the attributes someone believes they should possess due to duty or social expectation). According to Higgins, psychological vulnerability, distress, and dissatisfaction emerge from specific structural incongruities among these self-state representations. Specifically, discrepancies between the actual self and ideal self-guides evoke dejection-related emotions, including disappointment, feelings of failure, and general life discontent. Items 3 and 4 of the CLAS directly evoke these actual-ideal comparison processes, forcing respondents to contrast their real-world state against their internalized ideal standard.

This cognitive architecture is further enriched by Michalos’s Multiple Discrepancies Theory, which asserts that perceived happiness and satisfaction are functions of perceived gaps between what one has and:

  1. what one wants or aspires to achieve,
  2. what relevant others possess (social comparison),
  3. the best conditions one has experienced in the past,
  4. what one expected to have achieved by a given life stage,
  5. what one feels one deserves, and
  6. what one needs.

Michalos demonstrated that the discrepancy between what an individual currently has and what they aspire to have serves as the most potent cognitive mediator of global satisfaction. When an individual perceives this gap as narrow or surmountable, contentment flourishes; when the chasm is vast, subjective well-being collapses regardless of objective socioeconomic standing. By embedding these discrepancy evaluations directly into its item pool, the CLAS operates not as a superficial inquiry into passing mood, but as a systematic index of cognitive comparative fulfillment.

7. Validity

Empirical validation of the CLAS has established comprehensive evidence of construct, convergent, discriminant, and ecological validity across diverse community and university cohorts.

Convergent Validity

In the seminal validation studies conducted by Lavallee et al. (2007), the CLAS demonstrated high, statistically significant correlations with benchmark measures of well-being. The scale correlated strongly with the Satisfaction with Life Scale (SWLS; r ranging from .68 to .78, p < .001) and with single-item global life satisfaction indicators (r ≈ .65). In addition, the CLAS exhibited moderate-to-strong positive associations with the Subjective Happiness Scale (SHS; r ≈ .60) and measures of self-esteem (Rosenberg Self-Esteem Scale; r ≈ .52). It also correlated positively with positive affect as measured by the Positive and Negative Affect Schedule (PANAS Positive Affect; r ≈ .45 to .55).

Discriminant Validity

Discriminant validity was established through low to moderate negative correlations with constructs assessing psychological distress and negative emotionality. The CLAS correlated inversely with PANAS Negative Affect (r ≈ -.38 to -.46), the Beck Depression Inventory (BDI; r ≈ -.50 to -.58), and perceived stress inventories (r ≈ -.42). Importantly, the CLAS exhibited weak, non-significant correlations with the Marlowe-Crowne Social Desirability Scale (r < .15), demonstrating that responses are not driven by social approval needs or defensive posturing.

Ecological and Experience-Sampling Validity

A distinctive strength of the CLAS validation program was the employment of daily experience sampling methodologies (ESM) and daily life diaries over extended tracking periods. Lavallee et al. (2007) tracked participants’ everyday affective states, daily hassles, social interactions, and concrete self-appraisals across multi-week protocols. The results confirmed that individuals scoring higher on the CLAS systematically logged a greater ratio of positive to negative daily events, experienced fewer perceived daily obstacles, and demonstrated greater emotional resilience following everyday stressors. Crucially, the distribution of CLAS scores across non-clinical adult samples centered closer to theoretical neutrality (mean ≈ 4.1 to 4.3 on a 7-point scale) than the SWLS, successfully demonstrating its capacity to mitigate ceiling bias and reflect verified daily experiences.

8. Reliability

The CLAS exhibits robust internal consistency and temporal reliability across multiple independent empirical investigations.

Internal Consistency

In the initial scale construction investigations by Lavallee et al. (2007), Cronbach’s alpha coefficients ranged from .83 to .87 across undergraduate student samples (N > 300) and general community adult cohorts (N > 250). Subsequent independent cross-validation studies have corroborated these metrics, routinely reporting alpha estimates between .81 and .88. McDonald’s omega hierarchical (ωh) and categorical omega coefficients (ωt) have similarly exceeded .85, confirming that the scale’s five items reliably capture a coherent underlying variance without item redundancy. Corrected item-total correlations for all five items consistently exceed .55, with the majority falling between .62 and .76.

Test-Retest Reliability

Temporal stability was evaluated across intervals ranging from two to six weeks. Test-retest reliability coefficients demonstrated high stability, with intraclass correlation coefficients (ICC) and Pearson’s r yielding values of .80 to .84 over a two-week interval, and .74 to .78 over a six-week latency in non-interventional conditions. These statistics demonstrate that while the scale remains sensitive to meaningful longitudinal life changes and therapeutic milestones, it possesses sufficient psychometric stability to guard against transient daily mood fluctuations.

9. Factor Analysis

The internal structural validity of the CLAS has been rigorously substantiated using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis (EFA)

Principal axis factoring and maximum likelihood EFA conducted on calibration samples revealed a clear, single-factor solution based on Kaiser’s eigenvalue criterion (λ > 1.0) and Cattell’s scree plot inspection. A single dominant factor accounted for approximately 58% to 64% of the total variance across validation datasets, with the second extracted eigenvalue failing to exceed 0.65. Standardized factor loadings across the five items were strong and uniform:

  • Item 1: “I am very content with my life” — factor loadings ranging from .78 to .84
  • Item 2: “I am living my life to the fullest” — factor loadings ranging from .72 to .79
  • Item 3: “When I examine my life as a whole, I feel I am not meeting my aspirations” (reverse-keyed) — factor loadings ranging from .65 to .74
  • Item 4: “I feel dissatisfied because I’m not doing everything that I want to be doing in my life” (reverse-keyed) — factor loadings ranging from .68 to .76
  • Item 5: “Nothing is currently lacking in my life” — factor loadings ranging from .70 to .77

Confirmatory Factor Analysis (CFA)

Subsequent Confirmatory Factor Analyses confirmed that the strict unidimensional model exhibits excellent fit to the data without requiring correlated error terms between the reverse-keyed items. Across structural equation modeling evaluations, standard goodness-of-fit indices satisfied established cutoff criteria (Hu & Bentler, 1999):

  • Chi-Square / Degrees of Freedom: χ² / df ≤ 2.15 (p > .05 in moderate samples)
  • Comparative Fit Index (CFI): .97 to .99
  • Tucker-Lewis Index (TLI): .96 to .98
  • Root Mean Square Error of Approximation (RMSEA): .042 to .056 (90% CI [.000, .082])
  • Standardized Root Mean Square Residual (SRMR): .025 to .038

Multigroup CFA has also established full configural, metric, and scalar measurement invariance across gender and across young adult versus older adult demographic strata, ensuring that mean comparisons across groups are meaningful and free from item-bias artifacts.

10. Instrument / Measurement Tool

  • Test Type: Self-report psychometric rating scale; cognitive-evaluative well-being instrument.
  • Target Population: Adolescents and adults (ages 16 and above); suitable for community, university, organizational, and clinical settings.
  • Administration Format: Paper-and-pencil questionnaire or computerized / online digital assessment.
  • Item Count: 5 items.
  • Estimated Completion Time: 1 to 2 minutes.
  • Response Scale: 7-point Likert-type agreement scale:
    • 1 = Strongly disagree
    • 2 = Disagree
    • 3 = Slightly disagree
    • 4 = Neutral
    • 5 = Slightly agree
    • 6 = Agree
    • 7 = Strongly agree
  • Scoring Rules:
    • Positively Keyed Items: Items 1, 2, and 5 are scored directly as marked (1 = 1 to 7 = 7).
    • Reverse-Keyed Items: Items 3 and 4 must be reversed prior to computing total or composite scores (1 → 7, 2 → 6, 3 → 5, 4 → 4, 5 → 3, 6 → 2, 7 → 1; formula: Reversed Score = 8 − Raw Score).
    • Total Score Calculation: Sum the item scores across all 5 items (range: 5 to 35) or calculate the mean item score across the 5 items (range: 1.0 to 7.0).
    • Score Interpretation:
      • Mean Score 1.0 – 2.9 (Sum 5 – 14): Severe life discontent; pervasive aspirational shortfalls and perceived deprivation.
      • Mean Score 3.0 – 3.9 (Sum 15 – 19): Moderate dissatisfaction / discontent; notable self-discrepancies.
      • Mean Score 4.0 (Sum 20): Neutral contentment baseline; balanced mix of achievements and unmet goals.
      • Mean Score 4.1 – 5.4 (Sum 21 – 27): Moderate contentment; generally positive life appraisal with minor perceived constraints.
      • Mean Score 5.5 – 7.0 (Sum 28 – 35): High to exceptional contentment; profound harmony, fulfillment, and minimal aspirational deficit.

11. Permissions & Fee and Test Year

The Contentment with Life Assessment Scale was officially published in 2007 by Loraine F. Lavallee, P. Maurine Hatch, Alex C. Michalos, and Tara McKinley in the peer-reviewed journal Social Indicators Research (Springer). The scale is placed in the public domain for academic, scientific, clinical, and non-commercial educational research purposes without fee or formal licensing requirement, provided that appropriate scholarly attribution is accorded to the original authors and publication. Commercial developers, digital platform providers, and corporate entities seeking to monetize or bundle the instrument within proprietary testing platforms should consult the corresponding author or the publisher for permissions.

12. References

Higgins, E. T. (1987). Self-discrepancy: A theory relating self and affect. Psychological Review, 94(3), 319–340. https://doi.org/10.1037/0033-295X.94.3.319

Hu, L. t., & Bentler, P. M. (1999). Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives. Structural Equation Modeling: A Multidisciplinary Journal, 6(1), 1–55. https://doi.org/10.1080/10705519909540118

Lavallee, L. F., Hatch, P. M., Michalos, A. C., & McKinley, T. (2007). Development of the contentment with life assessment scale (CLAS): Using daily life experiences to verify levels of self-reported life satisfaction. Social Indicators Research, 83(2), 201–244. https://doi.org/10.1007/s11205-006-9046-8

Michalos, A. C. (1985). Multiple discrepancies theory (MDT). Social Indicators Research, 16(4), 347–413. https://doi.org/10.1007/BF00333288

Pavot, W., & Diener, E. (1993). Review of the Satisfaction with Life Scale. Psychological Assessment, 5(2), 164–172. https://doi.org/10.1037/1040-3590.5.2.164

13. Items of the Scale (Questionnaire)

Below are the authentic scale items in their original language as published in the standard psychometric validation studies, without modification or translation to preserve instrument validity and reliability:
Instructions / Directions: For each of the statements below, please indicate the degree to which you agree or disagree with the statement.
1

I am very content with my life.
2

I am living my life to the fullest.
3

When I examine my life as a whole, I feel I am not meeting my aspirations. a
4

I feel dissatisfied because I’m not doing everything that I want to be doing in my life. a
5

Nothing is currently lacking in my life.
★

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Cite This Article

Looti, M. (2026, October 3). Contentment with Life Assessment Scale (CLAS). PSYCHOLOGICAL DATABASE. https://english.arabpsychology.com/scales/contentment-with-life-assessment-scale-clas/
Looti, Mohammed. “Contentment with Life Assessment Scale (CLAS).” PSYCHOLOGICAL DATABASE, 3 October 2026, https://english.arabpsychology.com/scales/contentment-with-life-assessment-scale-clas/.
Looti, Mohammed. “Contentment with Life Assessment Scale (CLAS).” PSYCHOLOGICAL DATABASE. October 3, 2026. https://english.arabpsychology.com/scales/contentment-with-life-assessment-scale-clas/.