نتایج جستجو برای: standard deviation and analysis statistics paired
تعداد نتایج: 17313574 فیلتر نتایج به سال:
background: the complicated concept of quality of life (qol) has been considered as an important criterion for health outcomes in chronic diseases, such as heart disease, in recent years. the aim of this study was to evaluate the qol of patients with angina pectoris after treatment with enhanced external counterpulsation (eecp). methods and materials: this quasi-experimental study was conducted...
Using a large sample of institutional investors’ private equity investments in venture and buyout funds, we estimate the extent to which investors’ skill affects returns from private equity investments. We first consider whether investors have differential skill by comparing the distribution of investors’ returns relative to the bootstrapped distribution that would occur if funds were randomly ...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
Background & Aims: Given the importance of pain management in burn patients, the present study aimed to assess the effect of aromatherapy massage with aromatic oils of lavender and chamomile on the intensity of the background pain in burn patients. Materials & Methods: This quasi-experimental study was conducted on 105 patients with burn injuries admitted to Shaheed Motahari Hospital in Tehran...
The purposes of the study were to investigate effects a professional learning community (PLC) on Thai demonstration school students’ grade point averages and satisfaction with improve their averages. participants 107 students in Thailand who selected from 1,770 populations as they had lower GPAs than 2.0 4 maximum system. student caretakers, 89 teachers, 12 administrators same schools also took...
Why process at all? Of course, the answer is ultimately feed efficiency, producing the most milk, eggs, meat or fiber at the lowest possible cost. Particle size reduction as the first step in the feed manufacturing process works toward the goal of improved feed efficiency by increasing the surface area of the materials being processed. This increases the amount of materials exposed to the anima...
abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...
The purposes of the study were 1) to investigate effectiveness integrated brain-based learning and skills training on grade 11 students’ achievement in linear quadratic functions 2) compare students before after using training, 3) satisfaction with training. participants 40 a Thai public school selected by cluster sampling method. Research instruments management plan Achievement Test,...
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