The paper by Ji and Wang (2013) calls new attention on the analysis of the effects of the direction of technological change. The aim of this paper is to better articulate and test the theoretical arguments that the direction of technological changes has specific effects on the efficiency of the production process and to study the incentives and the processes that lead to its introduction. The d...

In this paper we are going to present a method capable of visualizing and automatically determining similarity between stylistic genres in Swedish and English text documents. The method has also been implemented and tested with good results. It is based on linguistic methods and uses only the raw word content of documents, meaning that it requires no metatags or other features set by the author...

objective: this study was conducted to investigate the effectiveness of education based of the cognitive, metacognitive, and behavioral model on the reduction of meta-worry beliefs in patients with social anxiety disorder (sad). methods: the research was a quasi-experimental study with pretest-posttest design and a control group. the statistical population comprised all patients with sad referr...

how to cite this article: babaknejad n, sayehmiri f, sayehmiri k, mohamadkhani a, bahrami s. the relationship between zinc levels and autism: systematic review and meta-analysis. iran j child neurol. autumn 2016; 10(4):1-9.   abstract objective autism is a complex behaviorally defined disorder. there is a relationship between zinc (zn) levels in autistic patients and development of pathogenesis...

background: obesity is a major risk factor for chronic diseases and has a role on high blood pressure, diabetes type ii, etc., this review assesses the prevalence of iranian children obesity and overweight for different age categories and compares the three standard definitions of obesity. materials and methods: to retrieve desirable studies concerning childhood anthropometric data from differe...

objectives: the mean age of cigarette smoking has decreased along with an increase in its prevalence, in developing countries. the aim of this systematic review is to determine the prevalence of lifetime, current and daily smoking among middle school students in iran . methods: various search methods have been used in this study including searching different international databanks such as pubm...

background: recipients of healthcare services have rights, which must be acknowledged and protected. such rights include observance of acceptable patient physical, mental, spiritual, and social needs guided by commonly accepted rules and regulations. the objective of this study was to conduct a systematic review and meta-analysis of awareness rates and observance of patient rights in iran from ...