نتایج جستجو برای: test and paired t
تعداد نتایج: 17025285 فیلتر نتایج به سال:
Introduction: The purpose of this study is to investigate the effect of 8 weeks virtual reality training on static and dynamic balance and performance of in male athletes with functional ankle instability Research Methodology: For this research, 30 volleyball, basketball, football and handball players ranged from 18 to 25 years were selected purposefully from Tehran province league male a...
background: incidence of asthma in adolescents leads to variations in family status, roles and interaction with peers for them, which could be a source of stress and psychological tensions in them. therefore, the present study was conducted to investigate the effect of orem’s self-care model on perceived stress in adolescents with asthma. methods: in this semi-experimental study conducted from ...
Background: In attention of increasing prevalence psychological problems, complications and consequences of hemodialies and important role of nurses in psychological support of patients, application of complementary therapies such as spirituality counseling is very important. Aim: This study investigates the effect of spirituality counseling on anxiety and depression in hemodialysis patient. Me...
The most elementary statistical test is the paired samples t-test with just two pairs. Here the data set to be analysed consists of two numbers (the two paired differences), and the statistical test examines whether the population mean is zero. This test can be derived in a surprisingly fast and intuitive manner by plotting one number against the other on a piece of graph paper, then joining th...
background: given the high prevalence of type ii diabetes and its complications, the evidence regarding the beneficial effects of probiotic yogurt on some cardiovascular biomarkers in diabetic patients is worthy of investigation. aim: to investigate the effect of probiotic yogurt on blood glucose level and cardiovascular biomarkers in patients with type ii diabetes. method:this randomized, clin...
Introduction: Multiple Sclerosis (MS) is one of the most common chronic diseases of the central nervous system which causes mental disorders including anxiety in patients. Since the peer group can better communicate with their counterparts and encourage them to choose appropriate healthy behaviors, this study was designed to examine the impact of peer educational program on anxiety of multiple ...
abstract this study tried to investigate whether there was any significant relationship between technical translation quality of the senior english translation students and their levels of verbal-linguistic, visual-spatial and interpersonal intelligences. in order to investigate the research questions, the researcher selected a hundred senior english translation students from three universitie...
in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...
Background: Preoperational anxiety is a challenging issue in preoperative care of patients. However, lavender aromatherapy can be useful as a nursing intervention to reduce some symptoms of the anxiety. This study aimed to determine the effect of aromatherapy on the anxiety of patients undergoing surgical reconstruction of the upper limb. Methods: In this non-randomized clinical trial, a total...
there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...
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