Cross‑Cultural Psychometric Analysis of the Mature Happiness Scale‑Revised: Mature Happiness, Psychological Inflexibility, and the PERMA Model

David F. Carreno, Nikolett Eisenbeck*, W. James Greville, Paul T. P. Wong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

The present study aimed to evaluate the psychometric properties of the Mature Happiness Scale, a measure focused on inner harmony. Mature happiness is achieved when a person can live in balance between both positive and negative aspects of their life. A total sample of 2,130 participants from five countries (Canada: n = 390, United States: n = 223, United Kingdom: n = 512, Spain: n = 724, and Hungary: n = 281) responded to an online survey including the original Mature Happiness Scale, the PERMA-Profiler, and the Acceptance and Action Questionnaire-II. Exploratory and confirmatory factor analyses yielded a one-factor solution with seven positive items (non-reversed). We called this new version of the questionnaire the Mature Happiness Scale-Revised (MHS-R). Measurement invariance was found across countries, age groups, gender, and mental disorder diagnosis. Internal consistency and test–retest reliability were high. Older people, males, and people without a mental disorder diagnosis scored higher in mature happiness than younger ones, females, and those with a mental health disorder diagnosis, respectively. Mature happiness showed strong positive associations with various subscales of the PERMA-Profiler, specifically with positive emotions and meaning in life. In addition, mature happiness was strongly correlated with less negative affect and inner conflict and lower psychological inflexibility, whereas it was moderately correlated with lower loneliness. This validity evidence supports the cross-cultural use of the MHS-R in the aforementioned countries to reliably measure happiness among adults. With its holistic approach, the MHS-R may be a unique complement to other well-being measures, particularly to better predict mental health problems.
Original languageEnglish
Pages (from-to)1075-1099
Number of pages25
JournalJournal of Happiness Studies
Volume24
Issue number3
Early online date16 Feb 2023
DOIs
Publication statusE-pub ahead of print - 16 Feb 2023

Keywords

  • Mature Happiness Scale
  • Mature happiness
  • Inner harmony
  • PERMA
  • Psychological inflexibility
  • Validation

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