Experiment Proves Benefits in Employee Productivity and Well-Being. Companies Claim They Will Not Return to Traditional Model
The global movement for reduction of the workday has gained traction, and Germany stands out by testing the four-day workweek in an innovative experiment. Companies from different sectors joined the project, with the goal of understanding the impacts of this change on productivity, employee well-being, and business operations. Now, with the workday reduction experiment completed, the results are impressive: 73% of companies chose to maintain the reduced week and do not intend to return to the traditional five-day model, according to IGN Brasil.
How the Test Worked with the 100-80-100 Model
The German workday reduction experience followed the 100-80-100 format, already successfully tested in countries like the United Kingdom and Portugal. In this model, employees receive 100% of their salary, work 80% of the hours, and commit to 100% productivity. Split into two phases, the experiment began with initial adjustments over six months, so that companies could adapt routines and test new practices. In the final phase, the changes were fully implemented, providing a more accurate view of the results.
During the test, some companies chose to reduce working hours uniformly, while others adapted schedules according to the operation of each sector. In addition, in some cases, the week was 4.5 days, which provided flexibility in time off and improved task organization.
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Diversity and Representativity in the Experiment
To capture a comprehensive view, 45 companies participated in the workday reduction experiment, representing different sizes and sectors. From small businesses with fewer than 10 employees to large corporations with over 250 collaborators, the diversity included areas such as technology, insurance, commerce, and education. This diverse set allowed the experiment to reflect unique challenges and opportunities in each segment.
Increase in Productivity and Improvement in Quality of Life
With the reduction of the workday, many companies managed to maintain, and in some cases even increase, productivity. Optimization practices were key to this success, including reducing meetings: 60% of companies decreased the frequency and duration of meetings. Additionally, 25% of participants invested in new digital tools that accelerated internal processes, resulting in greater efficiency in day-to-day activities.
In terms of well-being, employees reported significant gains. About 50% noticed a marked improvement in quality of life, while 31% observed a slight improvement. Only 6% of respondents said they did not notice any changes. Outside the work environment, many employees reported sleeping more and engaging in more physical activities, contributing to reduced stress and increased energy. With this balance, employee retention also grew, indicating a more positive and healthy work culture.


Somos todos palhaços deste grande circo chamado Brasil. Apenas 300 empresas mostraram interesse mas somente 40 se dispuseram a testar o modelo de fato. E nenhuma delas é do setor industrial. Aí vem o tal “especialista” com o papo de home office. Qual empresa de manufatura viabiliza o trabalho home office??? E outra, fazer esse alarde todo é dar diploma de **** para o povo, porque ficam anunciando isso como se fosse uma “lei”, mas na prática, é um PROJETO de lei, que sequer foi votado, e além disso nem obriga ninguém, muito pelo contrário, FACULTA à empresa decidir se adere ao modelo ou não. Resumindo, os trabalhadores de empresas do interior e diversas outras do setor produtivo, que lutem e se conformem com a rígida realidade.
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