نتایج جستجو برای: and challenge
تعداد نتایج: 16843943 فیلتر نتایج به سال:
abstract malaria is still the number one killer especially among young children and is responsible for one death per minute in the world. overall,between 250-500 million cases of the disease occur worldwide causing more than one million deaths annually about 90% of which in children under five years of age. although the spread of the disease is worldwide but it is seen mostly in tropical and su...
Quantitative methods (QM) dominate empirical research in psychology. Unfortunately most researchers in psychology receive inadequate training in QM. This creates a challenge for researchers who require advanced statistical methods to appropriately analyze their data. Many of the recent concerns about research quality, replicability, and reporting practices are directly tied to the problematic u...
Abstract: Two annual migrations of nomadic tribes have a large impact on school work and learning of students. This study is a qualitative case study and intends to examine the impact of a reduction in teaching time in nomadic schools. In order to assess the students’ absence from school each year due to two migrations and its negative effects, the researcher used mixed method research(Quantita...
The Immunogenicity of γ-irradiated tachyzoites of a highly virulent strain of Toxoplasma gondii (RH strain) was investigated. Immunized mice survived challenge infection and displayed increased interferon gamma (INF-γ ) production. On the other hand, nonimmunized controls died after 10 days and displayed a significantly decreased lymphoproliferative response to Concanavalin A (Con A). No tachyz...
Introduction: Academic dishonesty has spread widely among students in different countries, which has led to adverse consequences in the field of education in different societies. ¬ Gray was an academic challenge. Methods: The research was correlational and path analysis. The statistical population of the study consisted of all students of Ahvaz University in the academic year of 1996-97, in whi...
a review of studies about sports privatization indicates that almost allcountries in the world have paid considerable attention to the role and thesignificance of sports privatization. however, it should be noted that thereare not only one or two factors influencing sports privatization. the mainissue is that sports privatization especially for football clubs cannot beeffective without the exis...
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