Affect Balance Scale (ABS)

Abstract

The Affect Balance Scale (ABS), developed by Norman M. Bradburn and David Caplovitz, is a concise, self-report psychometric instrument designed to measure an individual’s level of psychological well-being and subjective happiness. The scale is founded on the premise that well-being is not a single continuum but rather the dynamic result of two independent dimensions: Positive Affect (PA) and Negative Affect (NA). By quantifying the frequency of ten specific feelings experienced over a recent period, the ABS yields separate PA and NA scores, which are then combined to calculate an Affect Balance score, serving as a robust indicator of emotional equilibrium.

Keywords

Affect Balance Scale, Psychological well-being, Affect Balance, Positive Affect, Negative Affect, Happiness, Quality of Life, Bradburn, Survey Instrument, Gerontology.

Authors

Norman M. Bradburn, David Caplovitz.

Purpose

The primary purpose of the Affect Balance Scale (ABS) is to quantify the relative frequency of positive and negative emotional experiences within an individual’s recent past, typically defined as “the past few weeks.” It was originally developed in the mid-1960s as part of a comprehensive sociological and psychological study aimed at understanding the determinants of happiness and mental health in the general population.

The instrument provides researchers with a simple and efficient way to calculate a net affect score. This score, derived by subtracting the total negative affect score from the total positive affect score, allows for the standardized assessment of an individual’s affective state and emotional equilibrium, making it highly valuable in large-scale social surveys and longitudinal studies.

Construct

The ABS measures the psychological construct of Subjective Well-being, specifically focusing on the affective or emotional component. Bradburn’s seminal contribution was the articulation and empirical validation of a dual-factor structure of well-being, arguing that positive and negative affects are not merely opposite ends of a single continuum but are largely independent dimensions.

This dual-factor model posits that an individual can experience high levels of positive affect (e.g., excitement, pride) concurrently with low or high levels of negative affect (e.g., loneliness, depression). The Affect Balance score, therefore, represents the difference between these two independent factors, providing a nuanced measure of overall well-being that moves beyond simple global self-ratings of happiness.

Validity

The validity of the ABS has been extensively studied across various populations, particularly within gerontology. Studies have consistently supported the construct validity by confirming the independence of the positive and negative affect subscales, aligning with Bradburn’s two-factor theoretical model. This independence is crucial for distinguishing between individuals who are merely not unhappy and those who are genuinely happy.

Furthermore, the ABS has demonstrated criterion validity through its strong correlation with other established measures of life satisfaction, morale, and mental health status. While generally robust, research (e.g., Maitland et al., 2001) has explored issues of measurement equivalence, suggesting that the factor structure may vary slightly when comparing diverse age cohorts or cultural groups, necessitating careful interpretation in cross-cultural or developmental studies.

Reliability

The reliability of the Affect Balance Scale has been assessed primarily through internal consistency and test-retest methods. Given the instrument’s brevity (ten items), its internal consistency, typically reported using Cronbach’s alpha, is generally considered acceptable for a short scale designed for research purposes, though it may be lower than longer clinical instruments.

Test-retest reliability studies have shown that the ABS is reasonably stable over short time intervals, confirming its capacity to capture consistent affective patterns. However, because the scale is designed to measure recent experiences (“during the past few weeks”), it is also sensitive enough to register meaningful fluctuations in affective state due to life events, which is an expected characteristic of a measure focusing on current mood rather than dispositional traits.

Factor Analysis

Factor analysis of the Affect Balance Scale overwhelmingly supports the theoretical underpinnings proposed by Bradburn. Exploratory and confirmatory factor analyses consistently reveal a clear delineation between the ten items, which load distinctly onto two orthogonal (uncorrelated) factors: Positive Affect (PA) and Negative Affect (NA).

This empirical confirmation of the two-factor structure is fundamental to the scale’s utility, validating the calculation of the Affect Balance score as the difference between two separate constructs rather than a single bipolar dimension. Recent studies, such as those by Helmes et al. (2010), have continued to use Confirmatory Factor Analysis to ensure the structural integrity of the ABS when applied to specific demographic groups, such as older Canadian adults.

Instrument

Test Type: Self-report questionnaire / Psychometric scale

Format: 10 dichotomous items (Yes/No response)

Language Available: English (Original); widely translated for international use in social surveys.

Population Group: General population; extensively used in studies related to mental health, quality of life, and aging (gerontology).

Age Group: Adolescents through older adults.

Population Details: Originally developed using community samples to assess behavior related to mental health and happiness.

Test Methodology: Respondents are asked to reflect on the specified time frame (“the past few weeks”) and indicate whether they experienced each of the ten listed feelings. Scoring involves summing five items for the PA score and five items for the NA score, followed by the calculation of the Affect Balance score (PA – NA).

Keywords

Affective Measures, Subjective Well-being, Mood, Bradburn Scale, Two-factor model, Emotional Health, Survey Research.

Authors

Author ORCID Identifier: N/A (Information not provided)

Affiliation Email addresses: N/A (Information not provided)

Correspondence Address: N/A (Information not provided)

Permissions & Fee and Test Year

The Affect Balance Scale was introduced in its pilot form in 1965 (Bradburn & Caplovitz) and formally detailed in 1969 (Bradburn). Due to its age and status as a foundational academic instrument, the scale is widely available and often used without specific fees for non-commercial academic research. Users should, however, confirm current permissions if commercial application is intended.

The original PDF detailing the instrument can be downloaded here: www.a4ebm.org/sites/default/files/Measuring%20Health.pdf

Reference’s

Beiser‚ M.‚ Feldman‚ J.J.‚ Egelhoff‚ C.J. (1972). Assets and affects: a study of positive mental health. Arch Gen Psychiatry‚ 27:545–549.

Bradburn‚ N.M.‚ Caplovitz‚ D. (1965). Reports on happiness: a pilot study of behavior related to mental health. Chicago: Aldine.

Bradburn‚ N.M. (1969). The structure of psychological well-being. Chicago: Aldine.

Helmes‚ Edward.‚ Goffin‚ Rich‎ard D.‚ and Chrisjohn‚ Roland D. (2010). Confirmatory Analysis of the Bradburn Affect Balance Scale and its Relationship with Morale in Older Canadian Adults. Canadian journal on aging‚ 29 (2): 259– 266.

Maitland‚ Scott B.‚ Dixon‚ Roger A.‚ Hultsch‚ David F.‚ and Hertzog‚ Christopher. (2001). Well-Being as a Moving Target: Measurement Equivalence of the Bradburn Affect Balance Scale. Journal of Gerontology‚ 56B(2): P69–P77.

McDowell‚ Ian. (2006). Measuring Health: A Guide to Rating Scales and Questionnaires‚ Third Edition. OXFORD UNIVERSITY PRESS.

Moriwaki‚ Sharon Y. (1974). The Affect Balance Scale: A Validity Study with Aged Samples. journal of Gerontology‚ 29(1): 73-78.

Perkinson‚ Margaret A.‚ Albert‚Steven M.‚ Luborsky‚ Mark.‚ Moss‚Miriam and Glicksman‚ Allen. (1994). Exploring the Validity of the Affect Balance Scale With a Sample of Family Caregivers. Journal of Gerontology‚ 49(5): S264–S275.

Items of the Affect Balance Scale (ABS)

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

During the past few weeks‚ did you ever feel

1. Particularly excited or interested in something?
2. Did you ever feel so restless that you couldn’t sit long in a chair?
3. Proud because someone complimented you on something you had done?
4. Very lonely or remote from other people?
5. Pleased about ha‎ving accomplished something?
6. Bored?
7. On top of the world?
8. Depressed or very unhappy?
9. That things were going your way?
10. Upset because someone criticized you?

Yes‚No