منابع مشابه
An Introduction to Action Research
سخن سردبیر Editorial مجله دانشگاه علوم پزشکی رفسنجان دوره 18، تیر 1398، 323-324 مقدمه‌ای بر پژوهش عملیاتی An Introduction to Action Research محسن رضائیان[1] M.Rezaeian کرت لوین (1947-1890) Kurt Lewin را بنیانگذار پژوهش عملیاتی Action Research می‌دانند. کاربردی که وی از پژوهش عملیاتی در نظر داشت عبارت بود از: پاسخ‌گویی به یک مسأله اجتماعی که با مشارکت فعا...
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A focus group refers to a group of people who share some common characteristics. A researcher gathers these people in the group in order that they share their points of view and interact with each other over a specific issue. Focus group and Interview group are used interchangeably in the scientific literature and both refer to a method of collecting data in qualitative studies. Given the impor...
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متن کاملIntroduction: birth defects surveillance in the United States.
State programs for the surveillance of birth defects now provide data on the vast majority of the nation’s births. The number of state programs has increased dramatically in the late 1990s with the passage of the Birth Defects Prevention Act of 1998 and the subsequent funding of 26 cooperative agreements between states and the Centers for Disease Control and Prevention (CDC). As of the end of 2...
متن کاملIntroduction to Competing Risk Model In the Epidemiological Research
Background and aims: Chronic kidney disease (CKD) is a public health challenge worldwide, with adverse consequences of kidney failure, cardiovascular disease (CVD), and premature death. Chronic kidney disease leads to the end stage of renal disease (ESRD), if late/not diagnosed. Competing risk modeling is a major issue in Epidemiology research. In Epidemiology study, sometimes inappropriate met...
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ژورنال
عنوان ژورنال: Birth Defects Research
سال: 2020
ISSN: 2472-1727,2472-1727
DOI: 10.1002/bdr2.1816