introduction: the purpose of this article was to evaluate the quality of sample size calculation reports in published clinical trials in journal of endodontics and international endodontic journal in years 2000-1 and 2009-10. materials and methods: articles fulfilling the inclusion criteria were collected. the criteria were: publication year, research design, types of control group, reporting s...

INTRODUCTION The people's mental, intellectual and physical non-readiness to confront earthquake may result in disastrous outcomes. This research aimed to study of effects of a training intervention on health connector's knowledge regarding their approach to earthquake in health-training centers in East of Tehran. METHODS This research which is a semi-experimental study was designed and execu...

The purpose of this study was to determine: (1) the effectiveness Android-based learning media on student outcomes in thermochemical material; (2) Student responses use (3) students who are taught using chemistry same as KKM value. This research conducted at Public High School 5 Medan with a total sample 68 people. instrument consisted standardized tests and questionnaires. analytical technique...

Penelitian ini bertujuan untuk menguji reaksi pasar saham ketika ditambahkan dan dihapus dari indeks LQ 45. Reaksi diuji dengan menggunakan metode event study mengetahui apakah terdapat rata-rata abnormal return yang signifikan, cumulative rata-rata. rasio volume di sekitar tanggal pengumuman. juga perbedaan signifikan pada return, 45 uji-t sampel independen. Hasil penelitian menunjukkan positi...

this research aimed at identifying the role of emotional intelligence (ei) -based management in improving faculty effectiveness. research methodology was descriptive-survey of exploratory type. statistical population were the faculty members in the islamic azad university branches across tehran (n = 3500). the subjects of the study (sample) consisted of 351 faculty members selected through stra...

In this paper, we consider a non-autonomous stochastic LotkaVolterra competitive system dxi(t) = xi(t)[(bi(t)− n ∑ j=1 aij(t)xj(t))dt+σi(t)dBi(t)], where Bi(t) (i = 1, 2, · · · , n) are independent standard Brownian motions. Some dynamical properties are discussed and the sufficient conditions for the existence of global positive solutions, stochastic permanence, extinction as well as global at...

marketing literature reveals that perceived value is always considered to be of paramount importance when consumers purchase a product. in order to form a positive attitude towards green products resulting from a higher perceived value, the products proclaimed as green should incorporate the worth which consumers value the most while purchasing. the present study investigates whether there is a...