نتایج جستجو برای: sample methods

تعداد نتایج: 2155213  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم اجتماعی و اقتصادی 1389

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Journal: :Revue Africaine de la Recherche en Informatique et Mathématiques Appliquées 2007

Journal: :Hacettepe Journal of Mathematics and Statistics 2015

2006

Taguchi's emphasis on instilling quality at the design stage has been important in a number of situations and deserves careful attention. His specific robust design approach has yielded good results in many instances, but recent studies indicate that more classical designs can serve the same purposes-sometimes, at least, doing so more efficiently, albeit less understandably for the technically ...

2011
Anne Marie Whelan Donald B. Langille Samantha J.K. White Mark Asbridge Gordon Flowerdew

OBJECTIVE To investigate women in Nova Scotia (NS), Canada with respect to their knowledge of, beliefs about, and perceptions of barriers to accessing emergency contraception pills (ECP). METHODS A random digit dialing approach was used to survey a representative sample of NS women aged 18-51. Analyses described the knowledge, beliefs, and perceived barriers associated with ECP access among p...

Journal: :Canadian Journal of Anesthesia/Journal canadien d'anesthésie 2019

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