Background Although the depth of the counting chamber is an important factor influencing sperm counting, no research has yet been reported on the measurement and comparison of the depth of the chamber. We measured the exact depths of six kinds of sperm counting chambers and evaluated their accuracy. MaterialsAndMethods In this prospective study, the depths of six kinds of sperm counting chamber...

Introduction: Assessment of student clinical performance is one of the most difficult tasks of faculty members. Logbook is one of the most effective methods for educational assessment. The aim of the present study was to assess the efficacy of logbook from the viewpoints of Ahvaz dental students and faculty members of Department of Oral and Maxillofacial medicine. <strong...

quality of life is now considered an important health outcome and in many types of research measuring quality of life is an integral part of the assessment of health interventions. this article focuses on the differences that exist between the numerous definitions of quality of life and the instruments developed for its measurement.

this paper introduces discretionary imprecise data in data envelopment analysis (dea) and discusses the efficiency evaluation of decision making units (dmus) with non-discretionary imprecise data. then, suggests a method for evaluation the efficiency of dmus with non-discretionary imprecise data. when some inputs and outputs are imprecise and non-discretionary, the dea model becomes non-linear ...

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This paper introduces discretionary imprecise data in Data Envelopment Analysis (DEA) and discusses the efficiency evaluation of Decision Making Units (DMUs) with non-discretionary imprecise data. Then, suggests a method for evaluation the efficiency of DMUs with non-discretionary imprecise data. When some inputs and outputs are imprecise and non-discretionary, the DEA model becomes non-linear ...