نتایج جستجو برای: control or experimental
تعداد نتایج: 4857329 فیلتر نتایج به سال:
این پژوهش یک مطالعه نیمه تجربی (quasi-experimental) از نوع آزمون - کنترل (exerimental-control) است که با هدف ارزشیابی برنامه آموزش بهداشت در کاهش آلودگی به شپش سر در دختران مدارس ابتدایی شهر چابهار در سال 1380 انجام پذیرفته است. ابزار و روش گردآوری داده ها در این تحقیق شامل پرسشنامه، برگ مشاهده مستقیم رفتار (check-list) و معاینه سر (head-exam) بوده و اطلاعات مربوط به واحدهای مور...
building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...
a confounder is a variable whose presence affects the variables being studied so that the results do not reflect the actual relationship. there are various ways to exclude or control confounding variables including randomization, restriction and matching. but all these methods are applicable at the time of study design. when experimental designs are premature, impractical, or impossible, resear...
vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...
Aims: Amputation is the most disturbing and damaging thing a person may experience in his or her life. The aim of the present research was to investigate the effect of mindfulness-based stress reduction (MBSR) on anxious thoughts of wives of veterans with amputation. Materials and Methods: In this experimental study with pre-test post-test design with control group, 28 wives of veterans with am...
the present study attempted to discover the impact of reduction recasts on the improvement of the speaking ability and on the repaired grammatical uptake rates of iranian intermediate level efl learners. after administering a language proficiency test, 52 homogeneous students were randomly assigned to the experimental and control group. the comparison of the two groups on the speaking pretest c...
background: carbaryl is a carbamate insecticide widely used to control pests in agriculture and farm. carbaryl adversely affect the reproductive endocrine systems in animals. objective: the aim of this study was to evaluate carbaryl effects on the pituitary-gonad axis in rats. materials and methods: in this experimental - analytical study, 60 adult male rats were divided into four equal groups:...
Background and Aim: Clinical education is fundamental to nursing science. One of the most important domains in clinical education is clinical evaluation. Today, new methods in evaluation such as ”BARS” can measure expected behaviors in specific job better than old methods, because of their structure that focus on specific behaviors of job. So, they may be effective for quality improvement in ...
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