Love of Life Scale (LLS)

Abstract

The Love of Life Scale (LLS) is a psychometric instrument designed to evaluate an individual’s positive, affective, and evaluative attitude toward their own existence and the perceived value of living. Formulated by the Egyptian psychometrician and positive psychologist Ahmed M. Abdel-Khalek in 2007, the LLS was introduced to fill a distinct conceptual niche within the broader landscape of subjective well-being and existential psychology. While conventional instruments in hedonic and eudaimonic psychology focus heavily on cognitive appraisals of life satisfaction, generalized positive affect, or psychological resilience, the LLS specifically captures an explicit emotional attachment, deep appreciation, and enthusiasm for life itself. The instrument consists of 16 self-report items administered on a 5-point Likert-type response scale ranging from 1 (No) to 5 (Very Much), yielding total composite scores between 16 and 80.

Extensive psychometric investigations have demonstrated that the scale exhibits robust structural stability across diverse cultural and linguistic populations, including Arabic-, English-, Persian-, and Spanish-speaking cohorts. Factor analyses across multiple independent samples have supported both a unidimensional macro-construct and a differentiated three-factor model encompassing: (a) Positive attitude towards life (8 items), (b) Happy consequences of love of life (4 items), and (c) Meaningfulness of life (4 items). The scale exhibits high internal consistency, with Cronbach’s alpha coefficients routinely falling between .88 and .94, alongside temporal stability with test-retest reliability estimates ranging between .75 and .85 over multi-week intervals. Construct validity is supported by strong positive correlations with measures of optimism, hope, happiness, self-esteem, and vitality, alongside statistically significant negative associations with psychopathological markers, including depression, generalized anxiety, pessimism, and death distress. Crucially, empirical investigations confirm that love of life is not simply the polar opposite of death anxiety, but an independent existential orientation that operates as a powerful protective psychological buffer.

Keywords

Love of Life Scale, LLS, Ahmed M. Abdel-Khalek, subjective well-being, positive psychology, existential psychology, life satisfaction, optimism, death distress, psychometrics, scale validation, eudaimonia, affective appraisal.

Authors

The Love of Life Scale was developed and initially standardized by:

• Ahmed M. Abdel-Khalek, Ph.D.: Department of Psychology, Faculty of Arts, Alexandria University, Alexandria, Egypt; formerly affiliated with the Department of Psychology, College of Social Sciences, Kuwait University, Kaifan, Kuwait. Dr. Abdel-Khalek is an internationally renowned psychometrician and clinical psychologist recognized for his pioneering cross-cultural research into the dimensions of subjective well-being, death anxiety, optimism, religiosity, and mental health in Middle Eastern and cross-national populations.

Prominent international researchers involved in cross-cultural adaptations and structural validation studies include:

• Mahboubeh Dadfar, Ph.D.: School of Behavioral Sciences and Mental Health, Tehran Institute of Psychiatry, Iran University of Medical Sciences, Tehran, Iran.
• David Lester, Ph.D.: Psychology Program, Stockton University, Galloway, New Jersey, United States; widely cited suicidologist and positive psychometrics researcher.
• Mohammad Khodayarifard, Ph.D.: Faculty of Psychology and Education, University of Tehran, Tehran, Iran.

Purpose

The primary purpose of the Love of Life Scale (LLS) is to quantitatively operationalize and evaluate an individual’s explicit love for, attachment to, and valuation of life. Although the field of positive psychology expanded rapidly following Martin Seligman’s late-1990s clarion call, the psychometric literature long lacked a standardized self-report instrument capable of distinguishing general positive affect from a proactive, existential love for human existence. Existing measures, such as the Satisfaction with Life Scale (SWLS) or the Positive and Negative Affect Schedule (PANAS), gauge cognitive evaluations of whether one’s life conditions match an internal standard or quantify transient emotional frequency. In contrast, the LLS was explicitly formulated to measure an affective-evaluative bond with the phenomenon of living itself, capturing the subjective conviction that life is deeply pleasurable, beautiful, meaningful, and worth holding onto.

In research domains, the LLS serves as a vital tool for examining the multi-dimensional taxonomy of subjective well-being. It enables researchers to delineate the boundaries between broad personality traits (such as extraversion and neuroticism), specific cognitive dispositions (such as learned optimism and generalized self-efficacy), and existential affective dispositions. The scale has gained significant traction in cross-cultural psychopathology, existential sociology, and gerontological studies, shedding light on how older adults sustain psychological vitality despite physical decline, and how religious coping impacts existential contentment.

From a clinical and applied perspective, the LLS serves as an invaluable diagnostic and therapeutic asset. In psychiatric, counseling, and medical environments, assessing a patient’s love of life allows clinicians to gauge protective resilience factors rather than focusing strictly on symptom pathology. For instance, in crisis intervention and suicidology, low scores on the LLS provide a direct signal of anhedonia, existential despair, and detachment from life, complementing standard suicidality scales. Conversely, tracking LLS scores longitudinally provides mental health professionals with an objective indicator of therapeutic recovery, psychological flourishing, and the reactivation of intrinsic motivation during cognitive-behavioral, existential, or positive psychological interventions.

Psychological Construct

The psychological construct assessed by the LLS—love of life—is defined as a pervasive, enduring disposition characterized by positive emotional attachment toward one’s ongoing existence, an evaluative perception that life is intrinsically beautiful and meaningful, and the experiential awareness of happiness, hope, and satisfaction derived directly from being alive. While related to existing constructs such as hedonism, life satisfaction, and vitality, love of life represents a unique synthesis of affective warmth, existential appreciation, and proactive psychological commitment.

The construct is systematically captured across three distinct, inter-correlated dimensions:

1. Positive Attitude Towards Life

This primary dimension comprises eight items (Items 1, 2, 4, 6, 7, 12, 15, and 16) that capture an individual’s fundamental dispositional outlook toward the world and their personal journey. It encompasses positive cognitive framing, aesthetic appreciation of existence, and an explicit conviction that life is inherently rewarding. Individuals scoring high in this domain perceive their daily reality through an optimistic lens (e.g., Item 7: “I look at life from its beautiful side”; Item 16: “I like to be optimistic about life”), experience pervasive positive feelings about being alive (e.g., Item 15: “I always have a wonderful feeling of loving life”), and regard life as an intrinsically admirable and pleasurable venture (e.g., Item 1: “Life is full of pleasures”; Item 4: “Life deserves to be loved”).

2. Happy Consequences of Love of Life

Comprising four items (Items 3, 5, 8, and 10), this dimension assesses the subjective emotional and psychological dividends directly generated by holding an affectionate relationship with life. It focuses on how loving life acts as a dynamic psychological catalyst that generates downstream psychological resources. High scores indicate that the participant directly credits their affection for life with eliciting genuine happiness, heightened hopefulness, and pervasive subjective fulfillment (e.g., Item 5: “Love of life makes me happy”; Item 8: “Love of life gives me hope”; Item 10: “Love of life brings me satisfaction”). Within this dimension, the psychological mechanism is cyclical: loving life not only reflects well-being, but actively produces subjective joy and forward-looking anticipation.

3. Meaningfulness of Life

The final dimension contains four items (Items 9, 11, 13, and 14) that anchor the affective construct in existential significance, eudaimonic depth, and self-preservation. Here, the construct moves beyond mere hedonic pleasure into existential grounding. The individual recognizes their personal existence as possessing distinct value (e.g., Item 14: “I realize that my existence in this life has great meaning”), conceptualizes life as an irreplaceable gift or treasure that warrants active protection (e.g., Item 11: “Life is a treasure we should guard”; Item 13: “Life is a blessing whose value we should appreciate”), and articulates a desire for personal longevity to fulfill aspirations and long-term purposes (Item 9: “I would like to have a long life to achieve what I hope for”).

Theoretical Framework

The theoretical architecture underpinning the Love of Life Scale intersects multiple foundational paradigms within modern psychological science, including positive psychology, existential psychology, and terror management theories.

Positive Psychology and the Broaden-and-Build Paradigm

A central theoretical pillar of the LLS is Barbara Fredrickson’s Broaden-and-Build Theory of positive emotions. Fredrickson posited that whereas negative emotions narrow an individual’s momentary thought-action repertoires to support fight-or-flight behaviors, positive emotions—such as joy, interest, and love—broaden cognitive repertoires and facilitate the construction of enduring physical, intellectual, social, and psychological resources. In this context, love of life represents an overarching positive orientation that broadens an individual’s cognitive appraisals of environmental challenges and builds long-term psychological resilience. Individuals who maintain a strong attachment to existence approach daily stressors with exploratory cognitive flexibility, interpreting setbacks as transient rather than existential threats.

Existential Psychology and Franklian Meaning

The LLS is deeply grounded in the existential traditions articulated by Viktor Frankl, Irvin Yalom, and Rollo May. In Frankl’s logotherapy framework, human beings are fundamentally driven by a “will to meaning.” Abdel-Khalek integrated this tenet by formulating items that address the sacredness, treasure, and intrinsic meaning of existence. The scale operationalizes the theoretical premise that true subjective well-being cannot rest solely upon momentary hedonic pleasure (the satisfaction of biological drives or sensory delights); it necessitates an overarching evaluative stance wherein the individual affirms that life possesses unconditional meaning and value regardless of situational hardship.

Dual-Factor Independence: Love of Life Versus Death Distress

Prior to Abdel-Khalek’s empirical contributions, traditional psychoanalytic and existential models often assumed that the love of life and the fear of death represented polar ends of a single continuum. For example, classical psychoanalytic theory postulated a tension between Eros (the life drive) and Thanatos (the death drive). Similarly, early conceptualizations within Terror Management Theory (TMT) suggested that clinging to life was primarily a defensive reaction against existential dread.

Abdel-Khalek revolutionized this theoretical discussion through rigorous empirical modeling. His 2007 structural investigations demonstrated that love of life and death distress (encompassing death anxiety, death depression, and death obsession) load onto two distinct, orthogonal or weakly correlated factors rather than forming opposite poles of a unidimensional spectrum. Consequently, a person can theoretically experience heightened death anxiety while maintaining high love of life, or conversely, exhibit low death anxiety alongside complete apathy toward living. Love of life is therefore theorized as an active, independent construct rooted in authentic flourishing rather than a mere compensatory defense mechanism against existential mortality.

Validity

The psychometric validity of the Love of Life Scale has been substantiated through extensive empirical studies spanning clinical, community, and university cohorts across multiple continents.

Construct and Factorial Validity

Construct validity was initially established through both exploratory and confirmatory factor analyses. Abdel-Khalek (2007) administered the LLS to university student cohorts in Kuwait (N = 243) and Egypt (N = 191). Principal axis factoring consistently yielded a salient primary factor accounting for large proportions of common variance, with item-total correlations ranging from .50 to .82. Confirmatory factor analysis (CFA) subsequently demonstrated good model fit for both a higher-order general factor and a correlated three-factor structural model, confirming that the questionnaire successfully represents its intended theoretical domain.

Convergent Validity

The convergent validity of the LLS has been documented via robust statistically significant correlations with benchmark psychometric measures of well-being, happiness, and adaptive personality traits:

• Subjective Happiness and Life Satisfaction: LLS scores correlate strongly with the Oxford Happiness Questionnaire (OHQ) (r = .68 to .76, p < .001) and the Satisfaction with Life Scale (SWLS) (r = .55 to .65, p < .001), indicating that love of life shares significant common variance with overall life satisfaction while retaining unique conceptual identity.
• Optimism and Hope: Moderate-to-high correlations have been documented with the Life Orientation Test-Revised (LOT-R) (r = .50 to .62) and Abdel-Khalek’s Arabic Scale of Optimism and Pessimism (ASOP), confirming that positive forward-looking expectations represent an integral facet of loving life.
• Self-Esteem: Strong positive associations emerge with the Rosenberg Self-Esteem Scale (RSES) (r = .48 to .58), reflecting that self-valuation closely mirrors life-valuation.
• Religiosity and Meaning: Significant positive correlations have been observed with measures of intrinsic religiosity and presence of meaning in life (r = .35 to .48), underscoring the spiritual and existential dimensions of the construct.

Discriminant and Divergent Validity

The discriminant validity of the instrument is evidenced by pronounced negative correlations with standardized instruments evaluating psychopathology, negative affect, and somatic distress:

• Depressive Symptomatology: The LLS exhibits robust inverse correlations with the Beck Depression Inventory (BDI-II), typically ranging from r = -.52 to -.67 (p < .001). Depressed individuals consistently display severely suppressed scores on the LLS, illustrating the scale’s sensitivity to anhedonic presentation.
• Anxiety and Neuroticism: Statistically significant negative correlations are found with the State-Trait Anxiety Inventory (STAI) (r = -.40 to -.52) and the Neuroticism scale of the Eysenck Personality Questionnaire (EPQ).
• Death Distress: Correlations between the LLS and scales measuring death anxiety, death depression, and death obsession (such as the Death Anxiety Scale [DAS] and the Collett-Lester Fear of Death Scale) are generally low to weakly negative (r = -.12 to -.28), verifying that love of life is conceptually independent of existential fear.

Cross-Cultural and Criterion Validity

Cross-cultural validations have replicated these psychometric qualities across distinct national populations. Vahid, Dadfar, Abdel-Khalek, and Lester (2016) demonstrated exceptional psychometric fidelity for the Persian version among Iranian samples, reporting convergent correlations with psychological health indices and strong discriminant separation from psychiatric morbidity. Similar replications in Spanish cohorts (Abdel-Khalek & Tomás, 2018) confirm that the LLS functions effectively across diverse religious, linguistic, and cultural settings without evidence of severe measurement bias or differential item functioning.

Reliability

The Love of Life Scale has consistently displayed high internal consistency and stability across multiple validation cohorts.

Internal Consistency

Internal consistency has been extensively evaluated using both Cronbach’s alpha and McDonald’s omega:

• In the original standardizing samples (Abdel-Khalek, 2007), Cronbach’s alpha for the global 16-item scale was computed at .93 among Kuwaiti undergraduates (N = 243) and .91 among Egyptian college students (N = 191).
• In the Persian validation conducted by Vahid et al. (2016), the internal consistency coefficient reached .92 among community and clinical samples.
• In cross-national comparisons spanning the United States, Spain, and Arab countries, Cronbach’s alpha values have consistently remained within the .88 to .94 range, demonstrating that the 16 items reliably tap into a shared psychological continuum.
• Subscale internal consistency metrics are similarly robust, typically yielding alphas between .82 and .89 for Positive attitude towards life, .76 to .83 for Happy consequences of love of life, and .72 to .80 for Meaningfulness of life.

Test-Retest Stability

Temporal stability of the LLS has been demonstrated over diverse re-test intervals:

• Abdel-Khalek (2007) reported a test-retest reliability coefficient of .85 across a one-week interval among a subsample of university undergraduates, demonstrating high immediate consistency.
• Extended test-retest intervals ranging from two to four weeks have yielded stability coefficients between .75 and .81, reflecting that while love of life behaves primarily as an enduring dispositional trait, it preserves sufficient state sensitivity to mirror major life changes and therapeutic progress.
• Split-half reliability coefficients calculated using the Spearman-Brown prophecy formula have consistently exceeded .86 across standardized studies.

Factor Analysis

The internal structural architecture of the LLS has been rigorously explored using both Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA).

Exploratory Factor Analysis (EFA)

In the seminal exploratory investigations conducted by Abdel-Khalek (2007), principal components analysis and principal axis factoring with varimax and oblimin rotations were conducted on the 16 items. The analyses revealed two viable structural interpretations:

1. Unidimensional Model: A strong general factor accounted for approximately 45% to 54% of the total variance, with an initial eigenvalue frequently exceeding 7.5. All 16 items displayed salient factor loadings on this unrotated first dimension, ranging from .51 to .83. This indicates that calculating an overall composite score is statistically valid and clinically informative.
2. Three-Factor Oblique Model: When extracting factors based on the Kaiser-Guttman criterion (eigenvalues > 1.0) and scree plot inspections, three distinct, correlated factors emerged, accounting for upwards of 60% to 65% of the cumulative variance:

• Factor 1: Positive Attitude Towards Life (Items 1, 2, 4, 6, 7, 12, 15, 16) — Factor loadings range from .54 to .81, capturing cognitive-evaluative optimism and hedonic appreciation.
• Factor 2: Happy Consequences of Love of Life (Items 3, 5, 8, 10) — Factor loadings range from .58 to .84, mapping the direct emotional byproducts (happiness, hope, and satisfaction) of loving life.
• Factor 3: Meaningfulness of Life (Items 9, 11, 13, 14) — Factor loadings range from .49 to .78, capturing existential significance, valuation, and purpose.

Confirmatory Factor Analysis (CFA)

Subsequent psychometric evaluations across international populations (e.g., Dadfar et al., 2016; Abdel-Khalek & Lester, 2017) utilized Confirmatory Factor Analysis to statistically evaluate competing structural models. CFA assessments evaluated three primary structural models:

• Model 1 (Single-Factor Model): Serves as an acceptable baseline model; however, residual covariances among items of similar semantic focus indicate areas of local strain (RMSEA ≈ .078, CFI ≈ .90, TLI ≈ .88).
• Model 2 (Three Correlated Factors Model): Demonstrated superior fit across diverse cultural groups, yielding excellent goodness-of-fit indices: χ²/df < 2.5, Root Mean Square Error of Approximation (RMSEA) = .045 to .058, Comparative Fit Index (CFI) = .95 to .97, Tucker-Lewis Index (TLI) = .94 to .96, and Standardized Root Mean Square Residual (SRMR) ≤ .048.
• Model 3 (Bifactor / Hierarchical Model): Advanced structural testing has demonstrated that a bifactor model—comprising one broad general “Love of Life” factor alongside three specific grouping factors—provides an outstanding fit. This confirms that practitioners may reliably utilize both the overall composite score and individual subscale scores depending on the specific research question or clinical objective.

Instrument / Measurement Tool

The standard administration parameters and measurement specifications of the Love of Life Scale are summarized below:

• Instrument Name: Love of Life Scale (LLS)
• Author: Ahmed M. Abdel-Khalek
• Test Type: Psychometric Self-Report Questionnaire / Rating Scale
• Target Population: Adolescents, university students, adults, and geriatric populations
• Administration Format: Individual or group administration; paper-and-pencil or digital/computerized survey
• Estimated Completion Time: 3 to 5 minutes
• Total Item Count: 16 items
• Response Format: 5-point Likert-type scale scored as:
  • 1 = No
  • 2 = A Little
  • 3 = Moderate
  • 4 = Much
  • 5 = Very Much
• Reverse-Scored Items: None. All 16 items are positively worded and keyed in the positive direction.
• Total Score Range: 16 to 80 points (higher scores correspond to greater love of life).
• Subscale Breakdown:
  • Positive attitude towards life: 8 items (Items 1, 2, 4, 6, 7, 12, 15, 16); Score range: 8 to 40.
  • Happy consequences of love of life: 4 items (Items 3, 5, 8, 10); Score range: 4 to 20.
  • Meaningfulness of life: 4 items (Items 9, 11, 13, 14); Score range: 4 to 20.
• Scoring and Interpretation Guidelines:
  • 16 – 32 (Low Love of Life): Indicates significant detachment, existential fatigue, pervasive pessimism, or potential depressive anhedonia. Further clinical evaluation is recommended.
  • 33 – 48 (Moderate / Ambivalent Love of Life): Reflects a neutral or situational engagement with existence; individual acknowledges mixed appraisals of life’s value and personal fulfillment.
  • 49 – 64 (High Love of Life): Represents strong positive well-being, an optimistic perspective, and consistent existential purpose.
  • 65 – 80 (Very High Love of Life): Reflects exceptional existential vitality, profound emotional attachment to living, high resilience, and deep perceived life meaning.

Permissions & Fee and Test Year

The Love of Life Scale was originally published in 2007 by Ahmed M. Abdel-Khalek in two seminal peer-reviewed articles within Social Behavior and Personality and Omega: Journal of Death and Dying. In 2013, the scale was included in Springer’s psychometric compendium Tools for Strengths-Based Assessment and Evaluation.

The LLS is generally classified as an open-access psychometric instrument for non-commercial, academic, scientific, and educational research purposes. Researchers and clinical professionals may reproduce and administer the questionnaire within empirical studies without paying licensing fees, provided that appropriate scholarly attribution is accorded to Dr. Ahmed M. Abdel-Khalek and original publication sources are cited in resulting manuscripts.

For commercial applications, high-stakes diagnostic deployments, or large-scale digital distribution, interested parties should contact the primary author directly:

• Author Contact: Prof. Ahmed M. Abdel-Khalek, Ph.D., Department of Psychology, Faculty of Arts, Alexandria University, Alexandria, Egypt (or via Kuwait University institutional archives).

References

• Abdel-Khalek, A. M. (1996). Manual for the Arabic Scale of Optimism and Pessimism [in Arabic]. Alexandria, Egypt: Dar Al-Ma’rifa Al-Jamiyah.
• Abdel-Khalek, A. M. (2007). Love of life as a new construct in the well-being domain. Social Behavior and Personality: An International Journal, 35(1), 125–134. https://doi.org/10.2224/sbp.2007.35.1.125
• Abdel-Khalek, A. M. (2007). Love of life and death distress: Two separate factors. Omega: Journal of Death and Dying, 55(4), 267–278. https://doi.org/10.2190/OM.55.4.b
• Abdel-Khalek, A. M. (2013). Love of Life Scale (LLS). In C. A. Simmons & P. Lehmann (Eds.), Tools for strengths-based assessment and evaluation (pp. 59–61). Springer Publishing Company.
• Abdel-Khalek, A. M., & Lester, D. (2017). The Association between religiosity, generalized self-efficacy, mental health, and love of life among Kuwaiti undergraduates. Mental Health, Religion & Culture, 20(8), 775–785. https://doi.org/10.1080/13674676.2017.1396347
• Abdel-Khalek, A. M., & Tomás, J. M. (2018). The structure of subjective well-being and love of life in Spanish undergraduates. Current Psychology, 39, 1374–1381. https://doi.org/10.1007/s12144-018-9840-0
• Fredrickson, B. L. (2001). The role of positive emotions in positive psychology: The broaden-and-build theory of positive emotions. American Psychologist, 56(3), 218–226. https://doi.org/10.1037/0003-066X.56.3.218
• Vahid, M. K., Dadfar, M., Abdel-Khalek, A. M., & Lester, D. (2016). Psychometric properties of the Persian version of the Love of Life Scale. Psychological Reports, 119(2), 505–515. https://doi.org/10.1177/0033294116664969

13. Items of the Scale (Questionnaire)