introduction: job stress is one of the main characteristics of modern life which is increasing and has been recognized as an important risk factor of cardiovascular diseases. the present study was conducted to determine the association between job stress at work environment and cardiovascular diseases. materials and methods: a number of 300 persons including 150 cases and 150 controls were cons...

the dowry is a gift that god has given to women and it has been discussed in various verses, but it has not been for a certain amount, but whatever value is cited it is a woman's right, and upon her marriage, is dowry owner, but ownership is on shaky dowry half and by becoming a partner or a deceased partner or spouse is in innate apostasy, but if you are not sure of the establishment dowr...

This Comment will explore the issue of incidental and future genetic research findings and the participant’s right to receive such information in the context of constitutional law. It will attempt to answer the question: does a participant in a voluntary genetic study have a right of access to the results? Thus far, there has been no case law that establishes an answer to the question. Under Fi...

due to the importance of employee engagement in the last decade and the significant role which plays in concept of organizational efficiency, identifying the factors influencing this concept can help any organization to grow and improve and also maintain and guarantee the survival of organizations in today’s competitive conditions. one of the factors influencing this concept is organizational r...

stock selection criteria play a key role in contrarian portfolio construction. the usual approach is applying cumulative return as stock selection criteria however applying this criterion leads to ranking stocks without considering investment risk. in this study, we analyze contrarian strategies that are based on reward–risk stock selection criteria in contrast to ordinary contrarian strategies...

We present and solve a real-world problem of learning to drive a bicycle. We solve the problem by online reinforcement learning using the Sarsa( )-algorithm. Then we solve the composite problem of learning to balance a bicycle and then drive to a goal. In our approach the reinforcement function is independent of the task the agent tries to learn to solve.

Previous animal experiments have shown that serotonin is involved in the control of impulsive choice, as characterized by high preference for small immediate rewards over larger delayed rewards. Previous human studies under serotonin manipulation, however, have been either inconclusive on the effect on impulsivity or have shown an effect in the speed of action-reward learning or the optimality ...