نتایج جستجو برای: control or experimental

تعداد نتایج: 4857329  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران 1388

some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...

Journal: :Stroke 2009
Alison E Willing

Although many potential therapeutics have improved motor and cognitive function in animal models of experimental stroke, very few have been found to have similar beneficial effects in clinical trials. In this review, we examine the advantages and disadvantages of the currently available rodent models in the development of cellular therapies for stroke and how they have been applied. The lack of...

Objective: Working memory is the ability of maintaining and manipulating the required information for operating generalization in future. The aim of the present research is to investigate the effectiveness of neurofeedback therapy on the working memory in children with ADHD.  Methods: 24 children with ADHD who had the required standards to participate in the study were selected by accessible...

ژورنال: مددکاری اجتماعی 2020

Introduction: Since orphan and headless adolescents are exposed to negative emotions throughout their lives, it is important to perform psychological interventions for these adolescents. The present study aimed to evaluate the effectiveness of mindful self-compassion(MSC) therapy on negative emotions of parentless or with neglectful parenting thirteen to eighteen years old girls in Mashhad welf...

2007
Ken Binmore Avner Shaked

Do we want experimental economics to evolve into a genuine science? This paper uses the literature on inequity aversion as a case study in warning that we are at risk of losing the respect of other scientific disciplines if we continue to accept the wide claims about human behavior that are currently being advanced without examining either the data from which the claims are supposedly derived o...

دهقان, فاطمه , پیری, مرضیه , کرمی, جهانگیر , کریمی, پروانه ,

Abstract Background and purpose: The aim of this study was to evaluate the efficiency of stress management skills training in reducing aggression among university students. Material and methods: This experimental study was done with pretest-posttest and control group design. The subjects included 45 students who were randomly selected and assigned to either experimental or control group (ex...

صادقی, مرتضی, قمری گیوی, حسین, محبی, زهرا,

Background and purpose: Juvenile delinquency is increasing in many countries including Iran. This study was designed to investigate the efficacy of forgiveness therapy in reducing aggression and enhancing forgiveness in adolescent boys in Tehran Correctional and Rehabilitation Centre. Material and Methods: This quasi-experimental study included pretest-posttest with control group. The research ...

Journal: :journal of dentistry, tehran university of medical sciences 0
ali mohammad hoseyni maryam pirmoradian-najafabadi sajjad ashnagar hanieh nokhbatolfoghahaei reza fekrazad

objectives: the purpose of this experimental study was to evaluate the efficacy of low level laser therapy (lllt) for pain reduction after midpalatal expansion in rats.   materials and methods: sixty male sprague six-week old rats weighing 180±10g were divided into seven groups (two experimental groups of 24 rats and one control group of 12 rats). the experimental groups were subjected to expan...

Journal: :Intensive Care Medicine 2009

Journal: :international journal of reproductive biomedicine 0
fatemeh mostajeran hosna gharavi seyed mehdi ahmadi

background: spontaneous occurrences of multifetal pregnancies always have been a medical problem. the risks of perinatal morbidity and mortality and maternal morbidity increase with enhancement of the number of fetuses. in our prospective experimental study, the outcome of twin pregnancy after assisted reproductive technologies (art) with and without multifetal pregnancy reduction (mfpr) is com...

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