فهرست مطالب مصطفی علی نژاد

The purpose of this study was to investigate the relationship between organizational optimism and organizational innovation with the mediating role of work happiness in teachers. The research applied in terms of purpose and method was descriptive, correlation one. The statistical population of this study included 309 teachers of at the Secondary school of Neka. The statistical sample was 172 participants that determined by the using Krejcie and Morgan table, and selected by stratified random sampling according to gender. Data were gathered by using three of Green et al organizational optimism Questionnaires (2004), Saatchi et al organizational innovation (2010) & Krolof (2007) work happiness Questionnaires. Their reliability was calculated to 0.85, 0.83 and 0.84 respectively by the use of Cronbach Alpha. The collected data was used for analyzed by Structural equation modeling using the partial least squares method (PLS). The results of this study showed that there is a significant relationship between organizational optimism and work happiness with organizational innovation. 46.8% of organizational innovation and 52% of work happiness is explained by organizational optimism. And the work happiness variable has a mediator effect on the relationship between organizational optimism and organizational innovation. Fit indices indicate that the proposed model is an appropriate fit.