The relationship between a happy worker and a productive worker This is a synopsis and review of the latest research investigating whether a happy worker is truly a productive worker. Introduction: It is a common belief that happy workers are always productive. But is it always true? How do we define happiness? How do we define productivity? How are they related? These are some of the most frequently asked questions in this context. We first answer these questions and analyze the findings within the framework of supporting theories. Happiness: Happiness is an ambiguously defined term and here is the interpretation we would use. Happiness comes from two main sources* Professional (work-related): “A pleasant emotional state resulting from the evaluation of one's work or work experiences” (Locke 1976, p. 1303) For our purpose, it is synonymous with Job Satisfaction in an organizational context.* Personal: a general feeling of well-being resulting from personal causes such as family, friends. This is not under the control of one organization. Therefore experiments and research carried out in this field are not taken into consideration. Productivity: Productivity can be defined as · Achievement of predefined objectives in a defined time and within a framework of quality of work. · Take initiative beyond achieving predefined goals. Productivity has a one-to-one correlation with performance and we use them synonymously. In research conducted in the field of psychological climate perceptions, it has been directly replaced by performance. Co-relationship between...... middle of paper ......around the office, said Michael Mercer, author of the book "Spontaneous Optimism: Proven Strategies for Health, Prosperity and Happiness" . This is a widely accepted hypothesis although research does not support the idea. But many examples prove that it is flawed. The reason employees are sad is that they put more energy into work to distract themselves from their current state. Sad employees are more attentive. They can only be influenced by strong arguments References:1. Journal of Organizational Behavior 24, 389-416(2003)-Relationships between perceptions of psychological climate and workoutcomes: a meta-analytic review-Parker, Baltes, Young, Huff et al2. Task performance: Are happy workers productive workers? Pg 158-Greenberg, Barone (8 edition)3. FAA (Federal Aviation Agency) surveys).(1986-1994)