An overview of psychometrics

SAT® Writing: An Overview of Research and Psychometrics to Date

In March 2005, the College Board introduced a revised SAT® that included a writing section and discontinued use of the SAT Subject Test in Writing. To date, well over two million students have taken the new SAT, and this paper examines research and statistical results from the new writing section. The writing section is composed of multiple-choice questions and an essay. Each form of the SAT in...

An Overview of Candiduria

Candida microorganisms frequently exist as saprophytes on the external genitalia or urethra, however, yeast in measurable quantities are found in <1% of clean voided urine specimens. The overall frequency of Candida infections in hospitals has increased by 200% to 300% in the last decade, such that in a general hospital 5% of urine cultures may yield Candida species, and in tertiary-care center...

An Overview of Novel Anticoagulants

Arterial and venous thromboembolism is one of the most common causes of death worldwide. For almost seventy years, heparin, low molecular weight heparin, and vitamin K antagonists have been widely used in the prevention and treatment of thromboembolic disorders. However, many of the limitations of these traditional anticoagulants have led to the search for and attempts to introduce better drug ...

Second Edition Psychometrics An Introduction

An overview of clinical PET/CT

This article is intended to provide an overview of various aspects of clinical PET/CT. These include discussions of: (i) Important areas of clinical application; (ii) Opportunities in clinical research; (iii) Scanner and operating-mode considerations (e.g. BGO vs. LSO, LYSO or GSO scanners, 2D vs. 3D imaging). (iv) Study-specific considerations (e.g. patient preparation and positioning is...