This paper uses the concept of Meta-frontier to investigate the relationship between Meta Technology Ratios (MTR) and different varieties in datepalms including; Mazafati, Rabi and Zardan that are produced widely in Sistan and Baluchestan province of Iran. We used a stratified sampling of 300 date farmers of this province in 2010, 2011 and 2012 and estimated a stochastic production frontier usi...

background: obsessive patients are distressed by intrusive thoughts, which are related to unreal threats. these patients feel that they are responsible for harming themselves and others. while controlling worry and meta-cognitive beliefs, the present study aimed at comparing the responsibility attitudes in obsessive compulsive patients with those in normal subjects to determine whether the diff...

background and purpose: consideringbackground and purpose: considering the importance and necessity of competency-based education at a global level and with respect to globalization and the requirement of minimum competencies in medical fields, medical education communities and organizations worldwide have tried to determine the competencies, present frameworks and education models to respond t...

in a region, optimal allocation of lands to various agricultural products is one of the most important issue associated with optimal use of agricultural resources. meta-goal programming is one of the multiple criteria decision models. this programming provides more flexible decisions for decision makers than other goal programming. in the current study, optimal cropping pattern was determined u...

b a ckground:  scientific literature has shown evidence that omega-3 polyunsaturated  fatty  acids  (pufa)  have  anti-androgenic  action,  and  for  this reason could be useful as an adjuvant in hyperandrogenism conditions including polycystic ovarian syndrome (pcos). however, the possible effect of eicosapentaenoic acid (epa) and docosahexaenoic acid (dha) supplementation on testosterone conc...

background in recent years, many studies have been conducted to establish the causes of people’s tendency to become addicted and researchers have also tried to determine the amount, importance and role of each individual and environmental factor. objectives with regard to the inconsistencies in previous research results, this study aims to use meta-analysis in order to integrate the results of ...

Meta-discourse markers are an inevitable part of oral proficiency which improve both the quality and comprehension of learners’ speech. While studies of oral meta-discourse have been conducted since the 1980s in a European or US context, they have remained relatively untouched in Iran. Therefore, this study aimed to seek the impact of both explicit and implicit teaching of formal meta-discourse...

to conduct a systematic review and meta-analysis on controlled treatment trials of meta-cognitive therapy (mct) for anxiety disorders, studies were included if they employed controlled methodology and treated people above 18 years with anxiety disorders. case studies (with less than 4 cases) and single case designed studies were excluded. a comprehensive literature search identified 15 trials f...