Short Happiness and Affect Research Protocol (SHARP)

Abstract

The Short Happiness and Affect Research Protocol (SHARP) is a concise, 12-item psychometric instrument designed to measure both immediate affective states and long-term subjective well-being. Developed by Stones and colleagues in 1996 as a brief adaptation and refinement of the longer Memorial University of Newfoundland Scale of Happiness (MUNSH), SHARP provides a rapid and efficient assessment of an individual’s self-reported happiness and general life satisfaction. The scale is structured to capture four key dimensions of well-being, making it particularly useful in large-scale social indicators research and clinical screenings where time efficiency is paramount.

Keywords

SHARP, happiness, affect, subjective well-being, life satisfaction, psychometrics, quality of life, positive affect, negative affect, gerontology.

Authors

M. J. Stones, A. Kozma, J. Hirdes, D. Gold, T. Arbuckle, P. Kolopack.

Purpose

The primary purpose of the SHARP scale is to provide a rapid, reliable, and valid measure of subjective well-being across diverse populations, with significant application in gerontological and health research. The instrument was specifically created to minimize respondent burden and assessment time while retaining the robust measurement properties of its predecessor, the MUNSH.

The scale is designed to quantify two distinct temporal aspects of well-being: recent affective experience (feelings experienced over the past month) and general, long-term life experience (overall satisfaction and enduring life outlook). This structure allows researchers to effectively analyze the interplay between transient emotional states and stable evaluations of life trajectory and quality.

Construct

The SHARP measures the construct of happiness, conceptualized within the framework of subjective well-being. This construct is operationalized across four theoretical dimensions, which are synthesized from the 12 dichotomous items:

• Recent Positive Affect: Measures current positive emotional states experienced within the past month (e.g., “In high spirits?”).
• Recent Negative Affect: Measures current negative emotional states experienced within the past month (e.g., “Depressed or very unhappy?”).
• Long-Term Positive Experience: Measures enduring satisfaction and positive appraisals of life outcomes (e.g., “I am satisfied with my life today.”).
• Long-Term Negative Experience: Measures chronic dissatisfaction, bitterness, or negative appraisals regarding life circumstances or aging (e.g., “Life is hard for me most of the time.”).

By encompassing both hedonic (affective) and eudaimonic (life evaluation) components, the SHARP offers a comprehensive yet brief assessment of an individual’s psychological adjustment and overall life satisfaction.

Validity

The development of SHARP (Stones et al., 1996) was fundamentally linked to the strong psychometric foundation of the Memorial University of Newfoundland Scale of Happiness (MUNSH). The instrument demonstrates strong evidence of construct validity, as its factor structure empirically aligns with the theoretical division between recent affect and long-term evaluative experiences. This confirms that the scale measures the intended theoretical constructs.

Furthermore, the scale exhibits sound convergent validity, consistently showing significant correlations with other established instruments measuring life satisfaction, mental health status, and general quality of life indicators. Its utility in differentiating between groups known to vary in well-being provides evidence of its discriminant validity, confirming its ability to accurately measure differences in self-reported happiness.

Reliability

The SHARP instrument is noted for its acceptable to high levels of internal consistency, especially considering its brevity of only 12 items. While specific coefficients vary by population and setting, the scale generally achieves reliability metrics comparable to those of more extensive well-being questionnaires. Additionally, the scale exhibits test-retest reliability, suggesting that the scores obtained are stable over reasonable time intervals, which is consistent with the assessment of dispositional or long-term happiness.

Factor Analysis

Factor analysis performed during the validation of the SHARP scale confirmed a multidimensional structure underlying the 12 items. This analysis supported the theoretical framework, revealing distinct factors corresponding to the four proposed components: recent positive affect, recent negative affect, long-term positive experience, and long-term negative experience. This robust factor structure validates the use of SHARP in psychometrics for assessing separate dimensions of subjective well-being, often collapsing into two primary factors: Affective Well-being and Life Satisfaction.

Instrument

Test Type: Self-report questionnaire / Brief Screening Scale

Format: 12 dichotomous items, requiring a “yes” or “no” response.

Language Available: Primarily English (original development). The scale has been utilized internationally, suggesting availability in other languages through research adaptations.

Population Group: General adult population, with a strong emphasis on research involving older adults, health, and quality of life studies.

Age Group: Adults (18+), often used in populations aged 65 and older.

Population Details: The scale was developed based on samples primarily drawn from community-dwelling adults, reflecting its utility as a broad measure of life satisfaction and affective state.

Test Methodology: Respondents answer “yes” or “no” to all 12 statements. Scoring is differential: affirmative responses score +1 for positive items (1, 2, 6, 7, 8, 12) and –1 for negative items (3, 4, 5, 9, 10, 11). Negative responses or items left blank are scored 0. The total score represents the overall index of happiness.

Keywords

SHARP, MUNSH, well-being assessment, gerontology, affective measures, life satisfaction index, brief scales, psychological adjustment, social indicators research.

Authors

Author ORCID Identifier: N/A

Affiliation Email addresses: N/A

Correspondence Address: N/A

Permissions & Fee and Test Year

The SHARP scale was first formally published in 1996 by Stones et al. in the journal Social Indicators Research. As an instrument published in the academic domain, it is often available for non-commercial academic and research use, subject to standard citation protocols. The instrument is documented and available in resource compilations, such as the 2013 text, “Tools for strengths-based assessment and evaluation” (Simmons & Lehmann, eds.), pages 182-183.

Reference’s

• Kozma, A., & Stones, M. J. (1980). The measurement of happiness: Development of the Memorial University of Newfoundland Scale of Happiness (MUNSH). Journal of Gerontology, 35(6), 906-912.
• Matin, Azar., Yoosefi Looyeh, Majid., Afrooz, G. A., Dezhkam, M. (2012). The effect of group rational emotive behavior restructuring on mental health of parents of exceptional children. Procedia – Social and Behavioral Sciences, 46, 1872 – 1875.
• Stones, M. J., Kozma, A., Hirdes, J., Gold, D., Arbuckle, T., & Kolopack, P. (1996). Short Happiness and Affect Research Protocol (SHARP). Social Indicators Research, 37(1), 75–91.
• Stones et al. (1996). Short Happiness and Affect Research Protocol. In: Simmons C. A., Lehmann P. (eds). Tools for strengths-based assessment and evaluation, New York, NY: Springer, pp. 182-183. (2013). The associated Google Scholar link is: Google Scholar.

Items of the Short Happiness and Affect Research Protocol (SHARP)

SCORING: Affirmative responses score 1 point for items 1, 2, 6, 7, 8, and 12, and –1 for the remaining items. Negative responses or items left blank are scored 0.

During the past month have you felt . . .

1. _____ In high spirits?
2. _____ Particularly content with your life?
3. _____ Depressed or very unhappy?
4. _____ Flustered as you didn’t know what was expected of you?
5. _____ Bitter about the way your life has turned out?
6. _____ Generally satisfied with how your life has turned out?

The next questions have to do with general life experiences.

7. _____ I am just as happy as when I was younger.
8. _____ As I look back on my life‚ I am fairly well satisfied.
9. _____ Things are getting worse as I get older.
10. _____ Little things bother me more this year.
11. _____ Life is hard for me most of the time.
12. _____ I am satisfied with my life today.