background: a main factor to change the education from static to dynamic situations is continuous evaluation of academic systems. this study is performed to analyze the students’ viewpoints in terms of the quality of clinical education in birjand university of medical sciences. methods: this is a descriptive and analytical study. the statistical population consists of 135 individuals including ...

Labor income indices are created for groupings of individuals, using data from the Panel Study of Income Dynamics. People are grouped by a clustering algorithm based on an estimated transition matrix between jobs, by education level, and by skill category. The groupings are defined so that relatively few people move between them. For each of the groupings, we generate a labor income index using...

maternal nutritional status and weight gain throughout pregnancy affect the outcome of pregnancy. the objective of this study was to determine prepregnancy body mass index and total weight gain during pregnancy in women from rural areas of guilan province, iran. prenatal and obstetrical records of 480 pregnant women who attended rural health centers between 2002 and 2003 including prepregnancy ...

Annual growth of semiarid tree species is generally limited by a period of water deficit and this relationship can be reflected in interannual variation in tree-ring width of semiarid species such as Pinus edulis, a piñon pine that is widely distributed across the southwestern United States. Tree-ring width of P. edulis and other semiarid tree species is most frequently related to annual precip...

OBJECTIVE This study examines the effective factors in enhancing school manager's job motivation from viewpoint of school mangers, teachers, education department managerial and staff experts in teaching, and also identifies and prioritizes each of these factors and indicators. METHOD For selecting a representative sample and increasing measurement precision, 587 people were selected using cla...

The properties of body mass indices were evaluated in a cross sectional study of the weights and heights of 5016 Chinese boys and girls aged between 3 and 18 years. Of the indices examined (weight/height (W/H), weight/height2 (W/H2), weight/height3 (W/H3) and weight/heightp (W/Hp], W/Hp was the only one that consistently showed least correlation with height, and so could be regarded as the opti...

background and objective: obstructive sleep apnea syndrome (osas) is a prevalent disease in adults. limited evidence regarding the effect of severity of sleep apnea and depression on heart rate variability (hrv) indices exists. hence, we decided to focus on the association between hrv and severity of osas based on depression score. materials and methods: a total of 193 patients with confirmed o...

Multivariate indices of polarization are constructed to measure effects of non-income attributes like wealth and education. Adopting the view of Esteban and Ray (1994), polarization is considered as the presence of groups which are internally homogeneous, externally heterogeneous, and of similar size. We propose a class of polarization indices which is built from measures of relative groups siz...