the present study examined the effect of grouped meta-cognitive therapy on meta-cognitive beliefs of patients' anxieties suffering from generalized anxiety disorder. this research is a quasi-experimental with pre-test and post-test design with control group in which two groups of experiment and control are used. the present study population includes all state universities, islamic azad uni...

Background: There are numerous studies and documents regarding the prevalence of smoking in Iran. Thus, to provide suitable information for decision-making and policy-making in this regard, the prevalence of smoking in Iran was evaluated using the meta-analysis of the results of the existing researches. Methods: Data were collected by searching the keywords cigarette, smoking, tobacco, and nico...

conclusions the results of this research have important implications regarding the attention of students’ counselors to meta-cognitive dimensions in order to prevent students’ tendency for addiction. results the rate of students’ addiction potential tendency can be predicted by having characteristics of their meta-cognition. it also appeared that among the five parameters of meta-cognition, the...

background: the high prevalence of malocclusion is a public health problem in the world and the third priority in oral care. numerous primary studies have presented reports on the prevalence of malocclusion among iranian children. in combination, the results of these studies using meta‑analysis are highly valuable for health policy‑making. similarly, this study aimed at determining the prevalen...

Extensive research has been devoted to economic production quantity (EPQ) problem. However, little atten-tion has been paid to problems where depreciation cost and process quality cost must be considered, simulta-neously. In this paper, we consider the economic production quantity model of minimizing the annual total cost subject to depreciation cost and process quality cost, where depreciation...

data extraction primary outcomes were incidence, prevalence, or odds ratio of having osteoporosis, defined as bone mineral density t-score < -2.5 sd. results of 353 articles, 344 articles were excluded, 9 underwent full-length review and data were extracted from 7 studies consisting of 113,558 patients. finally, 3 extracted studies were included in the meta-analysis of osteoporosis. among cohor...