We study the time of distributed deterministic broadcasting in synchronous radio networks of unknown topology and size. If a node u can be reached from two nodes which send messages in the same round, none of the messages is received by u. We assume that nodes are completely ignorant of the network: they know neither its topology, nor size, nor even their immediate neighborhood. The initial kno...

A dynamic general equilibrium model is constructed to examine the impact of mass immigration on capital accumulation in life-cycle economies. The model is calibrated to match Canadian demographic characteristics over 1861–1913. This was a period when Canada experienced a dramatic shift in migration patterns, with increasing immigration flows, and a surge in domestic savings and capital inflows....

the main purpose of this research was to study the relationship between organizational structure and burnout among high school teachers. research method was descriptive correlational. to collect data, two questionnaires were used: organizational structure with reliability coefficient of 93 % and job burnout with reliability coefficient of 95 %. the population consisted of all high school teache...

PURPOSE Teachers' perspectives on eye health can be limited, particularly in developing countries. The aim of this study was to assess teachers' knowledge and practices associated with eye health of primary students in Rawalpindi, Pakistan. METHODS This was a cross-sectional survey of primary school teachers. Simple random sampling technique was used to select 443 participants from 34 private...

A questionnaire was administered, composed of the Maslach Burnout Inventory as well as of questions regarding socialdemographic information such as gender, age, and seniority According to the literature, we expected to find a higher burnout level among lay than among consecrated teachers. Secondly, we expected to find lower burnout risk in lay teachers of private school than in public school te...

In view of the teachers’ professional characteristics, teachers are rated as high emotional workers. By reviewing the literatures of Chinese and foreign teachers’ emotional labor research, this paper sums up four aspects about teachers’ emotional labor: the definition of the concept of emotional labor, teacher’s emotional display rules, teachers’ emotional labor strategies and the antecedents a...

INTRODUCTION Policy makers have long been concerned with K– 2 teachers’ compensation. Not only might increased teacher compensation purchase more skilled teachers, it might also influence how long teachers stay at their schools and in the teaching profession. Similarly, changes in the structure of teacher salary schedules may change the appeal of teaching even if average salaries remain the sa...

BACKGROUND Oral contraceptives (OC) are widely used in the United States. Although the relation between OC use and breast cancer incidence has been widely studied, the few studies examining associations between OC use prior to breast cancer diagnosis and survival are inconsistent. METHODS Women with invasive breast cancer participating in the Women's Contraceptive and Reproductive Experiences...

In today’s knowledge economy the importance of education has been worldwide recognized. All developed countries are spending a major part of their budget on education. Within education system of any country, teachers have vital position, as the success of educational institutions is mostly dependent on teachers, who educate the most valued assets of country, i.e. students; therefore the teacher...