One of the most practical routine tests for convergence of a positive series makes use of the ratio test. If this test fails, we can use Rabbe's test. When Rabbe's test fails the next sharper criteria which may sometimes be used is the Bertrand's test. If this test fails, we can use a generalization of Bertrand's test and such tests can be continued innitely. For simplicity, we call ratio test,...

Nothing does a software company’s reputation more harm than poor quality. One significant contributor to delivered quality is how thoroughly the software is tested. In this issue of Strategic Software Engineering I will describe a test process that has a strategic impact on the organization.

fresh semen obtained from infertile men occasionally exhibits the total absence of motile sperm (100%asthenozoospermia). vitality tests may reveal that a proportion of the immotile sperm has functional membranes, which are considered viable. an easy test for the prior determination of sperm viability may assist in sperm selection for the microinjection of oocytes. the main objective of this stu...

abstract background: the incidence of pregnancy induced hypertension (pih) which is one of the three main causes of maternal-neonatal morbidity and mortality is 5-7%, and prediction of this disorder is very important in maternal and neonatal health. methods: the type of this study is analytical (comparative-prospective) and its purpose is to evaluate the isometric exercise test (let) and roll-o...

disk diffusion test is the usual applicable method for assessing the antimicrobial susceptibility pattern in most institutions and hospitals. the aim of this study was to determine the reliability of resistant-reported results of disk diffusion test for 6 routinely used antibiotics against gram-positive microorganisms of nosocomial origin, using e-test method.    over a 1-year period, clinical ...

the motive behind this study was to evaluate the iranian state university efl entrance examination test (ueeet) based on bachman and palmer’s (1996) ‘usefulness six-faceted model ‘accommodating relia- bility, validity, impact, interactiveness, authenticity, and practicality. to do so, thirty professors and one-hundred efl freshmen were selected randomly from five universities. a questionnaire c...

reading comprehension ability consists of multiple cognitive processes, and cloze tests have long been claimed to measure this ability as a whole. however, since the introduction of cloze test, different varieties of it have been proposed by the testers. thus, the present study was an attempt to examine the relatedness of cloze-elide test, multiple-choice (mc) cloze test, and c-test as three di...