Reborn/Research
RebornPeer-reviewed research on why feeling positive emotions through meditation changes your mind, body, and life.
The library
Pick what you came here for. Each section is sorted by recency, and every paper links back to the happiness test it backs up.
Frameworks, models, and definitions of flourishing. The conceptual ground that the measures and interventions sit on top of.
BrowseValidated scales, their psychometric properties, cross-cultural replications, and methodology critiques.
BrowseInterventions with measurable effects on well-being. Visualization, loving-kindness, mindfulness, and other practices that move the dial.
BrowseFrameworks, models, and definitions of flourishing. The conceptual ground that the measures and interventions sit on top of.
Four leading definitions of flourishing labelled wildly different fractions of the same 10,000-person sample as flourishing, from 24% to 47%, showing that how you measure thriving changes who counts.
Surveying 3,032 US adults, Corey Keyes showed that feeling fine and feeling alive are two different things, and the people stuck in between (languishing) carry health costs that look a lot like depression.
Carol Ryff argued that decades of happiness research had reduced well-being to feeling good, and built a six-dimension model of flourishing grounded in Aristotle, Maslow, Rogers, Erikson, and Jung.
Harvard's Tyler VanderWeele argued that flourishing is more than feelings or meaning, and proposed a 12-item index that adds financial security and character to the standard well-being picture.
The first wave of the Global Flourishing Study scored 202,898 adults across 22 countries on the Harvard Flourishing Index and surfaced a surprise: wealthier countries do not always flourish more.
Validated scales, their psychometric properties, cross-cultural replications, and methodology critiques.
The famous claim that you flourish when your positive emotions outnumber the negative ones by 2.9013 to 1 was built on a fluid-dynamics equation that does not actually apply to human emotion data.
Five years of factor analysis on nearly 32,000 people confirmed Seligman's PERMA model: flourishing is five distinct ingredients (positive emotion, engagement, relationships, meaning, accomplishment), not one.
A thousand British adults confirmed that the PANAS works just as well outside the American college sample it was built on, with reference numbers clinicians and researchers still cite today.
Five short statements were enough to capture how people judge their life as a whole, and the scale built from them became the most-cited life satisfaction measure in psychology.
Diener and seven colleagues introduced two short scales together: the eight-item Flourishing Scale for a meaningful life, and the SPANE for recent positive and negative feelings.
When statisticians compared the PERMA-Profiler to plain subjective well-being measures, they found near-perfect overlap, meaning PERMA gives you a more detailed map of happiness rather than a fundamentally different one.
After two decades of polling 143 countries, the single ladder question still tracks the realities of people's lives: their income, health, freedom, and the strength of their relationships.
When the MHC-SF was translated into Setswana and given to over a thousand South African adults, the three-part structure of flourishing held up, showing that Keyes' framework isn't just an American or Western quirk.
When Dutch researchers tested Keyes' 14-item flourishing scale on nearly 2,000 adults, the three-part structure held up cleanly, the scores stayed stable over time, and the cutoffs separated flourishing from languishing the way Keyes designed them to.
Sonja Lyubomirsky and Heidi Lepper showed that four short statements, answered in under a minute, capture how happy a person you consider yourself to be as reliably as much longer scales.
Two decades after the SWLS was published, a large review confirmed that those five sentences predict things you would actually care about: longevity, marital stability, physical health, and how others rate your life from the outside.
A national US sample of 1,108 adults confirmed Ryff's six dimensions of well-being held together, and gave us the 18-item short form that became the workhorse of eudaimonic research.
When Diener's eight Flourishing Scale items were translated into Portuguese and given to a working-age sample, the same single-factor structure showed up with reliability on par with the original.
Su, Tay and Diener built a 54-item thriving scale, then distilled it to 10 items that still tracked the long version almost perfectly across 7,617 people in ten countries.
When Diener's twelve SPANE feeling words were translated into Japanese and given to a non-Western sample, the same two-factor structure (positive feelings, negative feelings) emerged with reliability matching the original American validation.
When researchers translated the four-item happiness scale into local languages and ran it across 27 countries, the same single-factor structure showed up almost everywhere, evidence that trait happiness is asked about in roughly the same way around the world.
A systematic review of 213 published studies confirms that the WHO-5 (five tiny questions, under a minute to answer) measures well-being as reliably as instruments many times longer.
Twenty emotion words were enough to show that positive and negative feelings are not opposites; they are two separate channels you can be high or low on at the same time.
The first formal psychometric test of VanderWeele's six-domain flourishing index passed: 1,011 workers, every domain reliable, and the financial security domain proved it pulls its weight.
Interventions with measurable effects on well-being. Visualization, loving-kindness, mindfulness, and other practices that move the dial.
Writing about your ideal future self, often followed by a few minutes of mental visualization, reliably boosts positive emotions, wellbeing, and optimism, and outperforms gratitude exercises on mood.
Practicing loving-kindness meditation for a few minutes a day creates an upward spiral: more positive emotions week after week, which compound into lasting gains in resilience, social connection, and life satisfaction.
Researchers pooled the raw data from 15 experiments across 8 countries (2,371 people) and confirmed: mindfulness programs significantly reduce psychological distress in ordinary, healthy adults, and the effect lasts at least six months.
Researchers combined 111 experiments with nearly 10,000 people and confirmed: meditation genuinely improves your ability to concentrate, hold information in your head, and control impulsive reactions.