A new psychological framework, referred to as the “Equation of Enough,” aims to determine whether a person’s daily life at a given moment is actually sustainable in the long run. Antonis Chatzipanagiotou, an independent researcher based in Athens, Greece, developed the model and published it in the journal Humanities and Social Sciences Communications.
According to Chatzipanagiotou, a psychology student working across behavioral neuroscience and computational approaches, most psychological tools are useful only after a person has reached the point of burnout and is struggling. Few tools track the slow decline of someone who still appears fine on the surface but runs the risk of an eventual decline in mental health. Chatzipanagiotou’s model therefore aims to fill that gap, drawing on existing research into stress, motivation, and well-being.
The new model, known as “En-ADT,” is composed of two parts. The first, the Equation of Enough, evaluates five areas of a person’s life, including effective stress, effective success, temporal distribution, contextual relevance, and narrative simulation. The second, the “Actualization-Death Threshold,” is a single scale and runs from a sense of clarity and purpose on one end to a feeling of detachment and collapse on the other.
Testing the “Equation of Enough” across two phases of research
Chatzipanagiotou tested the model in two phases. The first phase included 44 participants, mostly Greek and primarily between the ages of eighteen and twenty-two. The results suggested that the threshold scale functioned as a distinct construct, separate from the other components of the model.
The second phase included 250 participants from a wider range of ages and countries, including Greece, the United States, and Russia. In this phase, the five factors together explained about 79% of the differences in people’s scores on the threshold scale. This suggests that the model’s five-part structure matched the data well. A further statistical test, called confirmatory factor analysis, also supported this result.
One result stood out. The threshold scale matched how satisfied people felt with their lives, but it did not match how much meaning they said they found in life. Chatzipanagiotou suggested that this difference may mean sustainability and meaning are not the same thing.
A person’s life can feel meaningful even if their current situation feels overwhelming, and the opposite can also be true. He also noted that this finding came from only 44 participants. He described it as an idea that needs further testing rather than a confirmed result.
Researcher flags limits behind 79 percent result
The researcher also pointed out several limits to the study. All the data came from self-reported surveys completed in a single session, which can sometimes make relationships between measures look stronger than they really are.
The study also only captures one moment in time. Because of that, it cannot show whether changes in the five areas actually lead to lower scores on the scale or whether they simply occur at the same time. He also noted that this is just one study by a single independent researcher.
So far, the model has not been compared with established well-being tests, and it has not been tested in clinical groups. He said he has made the data and materials public so that other researchers can review and test them.
Participants pushed back, pointing to larger looming questions
At the end of the survey, participants were invited to add any final comments. Many used that space to question the model itself. Some said the questions confused success and purpose with simple life satisfaction. Others reported that their conceptualization of what constitutes “enough” stemmed from faith or from that which they viewed as sacred.
One participant wrote that simply being alive was enough. Chatzipanagiotou said he saw this feedback as useful rather than negative because it matched a pattern in the data, namely that sustainability and meaning may not always align. He hopes future studies will track people over time to determine whether changes in the five areas happen earlier and help predict later decline, rather than just occurring at the same time.
He added that future research should include larger and more diverse groups of participants, comparisons with established well-being and burnout tests, studies across various cultures, and eventually clinical populations in which the lower end of the scale may be especially important.
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