نتایج جستجو برای: a meta
تعداد نتایج: 13454265 فیلتر نتایج به سال:
Objectives: The aim of the current meta-analysis was to determine the effectiveness of parent education programs on children's externalized disorders. This research, using the meta-analysis technique and by integrating the results of various researches, determines the size of the effect of parent education programs. Method: A total of 21 acceptable methodologies were selected and meta-analysis...
objective(s):this study aims to investigate the relationship between human papillomavirus (hpv) and breast cancer using meta- analysis. materials and methods: relevant studies were identified reviewing the national and international databases. we also increased the search sensitivity by investigating the references as well as interview with research centers and experts. finally, quality assessm...
Introduction: Considering determinant factors in effective teaching could lead to improvement of education, teaching-learning process and motivate students to learn. The purpose of this study was to perform a meta-analysis of factors affecting effective teaching in medical education. Methods: Meta-analysis method was employed in this research. A total of 30 publications were selected and four g...
Introduction: The present study was conducted to determine the role of meta-cognitive belief, perceived stress and cognitive flexibility in predicting the suicidal thoughts of male students. Methods: The research method was descriptive and correlational. The statistical population included all male high school adolescents in Ardabil during 2019-2020. of the population, 350 subjects were selecte...
Introduction: Sexual health is one main aspect of health, which can affect couples in different stages of life. This study aimed at exploring predicting sexual health in couples based on locus of control, social support and meta-emotions. Methods: This study is a correlational one. The statistical population of this study consisted of all couples living in Ardebil City in 2019. Using convenient...
this paper presents an efficient global meta-model building technique for solving high fidelity multidisciplinary design optimization (mdo) problems. the main difficulties associated with mdo are often characterized by interdisciplinary couplings, high computational cost of an analysis in individual disciplines and a large number of design variables and constraints. these issues result in very ...
Background: Macrosomia is a risk factor for adverse maternal and neonatal outcomes and previous studies have reported different prevalence of macrosomia in Iran. We conducted a meta-analysis to estimate the overall prevalence of macrosomia in Iran. Materials and Methods: A systematic review and meta-analysis was conducted of all published literature pertaining to prevalence rates of macrosomia ...
Objective: The aim of this study was to predict cognitive flexibility based on meta-worry, anxiety, duration and dose of methadone use. Method: The current research was a descriptive-correlational one. The statistical population of this study included all male drug-dependents who were under methadone treatment in Qazvin in 2016. From among this population, 254 participants were selected via pu...
Background : Meta analysis is a statistical method to combine the findings of a set of large number of published individual studies and re-analyse them. The use of meta-analysis methods in medical research has been increased, noticeably, in resent years. However, one of the major shortcomings in such analysis is that the researcher, could not access all conducted studies in the area of concern...
conclusions our meta-analysis, while not ruling out possible publication bias, showed no association between gene polymorphisms of apoc3 and the risk of nafld development in different populations in the world. evidence acquisition we performed a meta-analysis of all relevant studies published in the literature. a total of 115 clinical trials or reports were identified, but only seven trials met...
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