Abstract   Background: Irregular Working hours, including night work and shift work, have been   found to be associated with alteration in various levels of biochemical factors. And some studies have showed association between shift work and blood biochemical disturbances in blood. In this epidemiological study we investigated, whether regular schedule of working hours can minimize the associ...

background: the present research is a descriptive study, conducted in fall 2002, tabriz, iran, in order to inquire the prevalence rate of sleeplessness complications after the night-working hours in nurses. as a data collection method, a questionnaire comprising 25 personal and general questions on sleeplessness complications was designed and administrated based on likert measurement of all or ...

This study examined discourses and positions produced by educators (n = 31) on the topics of teamwork professional expertise in extended hours early childhood education care (ECEC). Theoretically, we follow ideas relational common knowledge. Previous research provides that creating knowledge are useful ECEC contexts, especially teamwork. The data were collected interviewing educators, discursiv...

In this paper, we explore the dynamics of working hours and wages in a model economy where firm its workforce are linked to each other by an implicit contract. Specifically, develop deterministic stochastic framework which sets level labor utilization considering that workers' earnings tend adjust direction fixed level. Without any uncertainty about firm's profitability, show existence properti...