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Increased Performance (increased + performance)
Selected AbstractsMonitoring and controlling QoS network domainsINTERNATIONAL JOURNAL OF NETWORK MANAGEMENT, Issue 1 2005Ahsan Habib Increased performance, fairness, and security remain important goals for service providers. In this work, we design an integrated distributed monitoring, traffic conditioning, and flow control system for higher performance and security of network domains. Edge routers monitor (using tomography techniques) a network domain to detect quality of service (QoS) violations,possibly caused by underprovisioning,as well as bandwidth theft attacks. To bound the monitoring overhead, a router only verifies service level agreement (SLA) parameters such as delay, loss, and throughput when anomalies are detected. The marking component of the edge router uses TCP flow characteristics to protect ,fragile' flows. Edge routers may also regulate unresponsive flows, and may propagate congestion information to upstream domains. Simulation results indicate that this design increases application-level throughput of data applications such as large FTP transfers; achieves low packet delays and response times for Telnet and WWW traffic; and detects bandwidth theft attacks and service violations.,Copyright © 2004 John Wiley & Sons, Ltd. [source] PARENTAL EFFECTS AND GENDER SPECIALIZATION IN A TROPICAL HETEROSTYLOUS SHRUBEVOLUTION, Issue 3 2000Germá;n Avila-Sakar Abstract., Male sterility in hermaphroditic species may represent the first step in the evolution toward dioecy. However, gender specialization will not proceed unless the male-sterile individuals compensate for fitness lost through the male function with an increase in fitness through the female function. In the distylous shrub Erythroxylum havanense, thrum plants are partially male-sterile. Using data collected throughout eight years, we investigated whether thrum individuals have an increased performance as female parents, thereby compensating for their loss of male fitness. We found that thrum plants outperformed pins in the probabilities of seed maturation and germination and long-term growth of the seedlings. In turn, pollen from pin plants achieved greater pollen tube growth rates. Our results suggest that the superior performance of the progeny of thrum maternal plants is a consequence of better seed provisioning via effects of the maternal environment, cytotype or nuclear genes. Overall, our results suggest that E. havanense is evolving toward a dioecious state through a gynodioecious intermediate stage. This evolutionary pathway is characterized by an unusual pattern of gender dimorphism with thrums becoming females and pins becoming males. We propose that this pattern may be better explained by the interaction between male-sterility cytoplasmic genes and the heterostyly supergene. [source] A meta-analysis of the non-monetary effects of employee health management programsHUMAN RESOURCE MANAGEMENT, Issue 1 2003Timothy DeGroot This study was undertaken to review the literature on employee health management programs (EHMPs). We explored the history and characteristics of systematic organizational efforts to improve workforce health and well-being. We believe that a historical perspective provides some insight into the economic, political, and social factors that have influenced the trend toward organizationally sanctioned health-promotion efforts. Further, we investigated the likely effects of these programs on valued-behavioral organizational outcomes such as employee performance, employee satisfaction, absenteeism, and voluntary turnover. Our findings show that voluntary general-focus programs are unrelated to job performance, and voluntary programs are negatively related to absenteeism, but effects on absenteeism wane when the program is not voluntary. Moreover, EHMPs are minimally related to job satisfaction and slightly related to turnover. These results, examining behavioral outcomes of EHMPs, question the ability of EHMPs to provide desired behavioral changes in employees, changes that organizations seek to maximize such as increased performance. Are EHMPs more than just socially acceptable programs that help individuals with health problems? © 2003 Wiley Periodicals, Inc. [source] Partial Recovery of Light-Independent Chlorophyll Biosynthesis in the chlL -Deletion Mutant of Synechocystis sp.IUBMB LIFE, Issue 5 2001PCC 680 Abstract A chlL -deletion mutant of Synechocystis sp. PCC 6803 designated as chlL - was unable to make significant amounts of chlorophyll in darkness. However, an apparent pseudorevertant has been generated spontaneously that can synthesize an increased amount of chlorophyll under light-activated heterotrophic growth conditions. Under these conditions, the chlorophyll content in this pseudorevertant was about 20% of that in the wild-type strain and about 4 times more than that in the original and in the recently recreated chlL -deletion mutant. This is paralleled by increased performance of dark-grown cells in terms of chlorophyll fluorescence induction and oxygen evolution rates in the pseudorevertant versus in the original mutant. PCR analysis confirmed that the chlL - pseudorevertant mutant still lacked the chlL gene. These results imply that the light-independent chlorophyll biosynthesis pathway was partly recovered. [source] Boys will be boys: a pre-line-up gameplay has beneficial effects on boys' but not girls' identification performanceJOURNAL OF INVESTIGATIVE PSYCHOLOGY AND OFFENDER PROFILING, Issue 3 2006Eric Rassin Abstract Fifty children, aged between 4 and 7 years, underwent a sequential photo line-up procedure in order to identify a man they had met the previous day. Half of the participants engaged in a pre-procedure gameplay with the female interviewer. It was hypothesised that the game would stimulate rapport building and would ultimately result in an increased performance during the line-up procedure. The beneficial effect was indeed observed, but only for the male participants. This finding suggests that gameplay may be a fruitful strategy to decrease child witness discomfort and to increase participation. Copyright © 2006 John Wiley & Sons, Ltd. [source] Malaysia's government publishing house: a quest for increased performance through technologyPUBLIC ADMINISTRATION & DEVELOPMENT, Issue 1 2007Dahlina Daut Mohmud Abstract Electronic publishing, which is the production of a book or an e-book electronically, encompasses all processes involved in the production such as electronic communication, production, authoring, submission, reviewing, transfer and output. This study examines a radical transformation process to turn a conventional sector into an electronic sector. Studies were carried out in a government run publishing house in Malaysia, where the course of the public sectors and the interests of the private sectors meet. Factors that hindered progress, such as data management issues and transparencies are identified, and suggestions made to overcome them. Some concerns over disruption, such as creative destruction, often viewed as negative and destructive were identified with the introduction of technology. As disruption is also considered as one of the main hindrances in innovation, the study focuses on determining other effects of disruption on transformation. Business and management strategies are combined and a system that could increase performance and efficiency in the sector is proposed. However, the main concern in e-government efforts will have to be looked into from the root issues expanding from top level management to users and an innovative platform furnished with knowledge and skills at all levels. Copyright © 2007 John Wiley & Sons, Ltd. [source] The relationship between premedical coursework in gross anatomy and histology and medical school performance in gross anatomy and histologyCLINICAL ANATOMY, Issue 2 2002Joseph P. Forester Abstract Many premedical students enroll in courses whose content will be encountered again during their medical education. Presumably, students believe this practice will lead to improved academic performance in corresponding medical school courses. Therefore, this study was undertaken to determine whether a premedical gross anatomy and/or histology course resulted in increased performance in corresponding medical school courses. A second aim of the study was to examine whether the type of premedical gross anatomy and/or histology course differentially affected medical school performance. A survey that assessed premedical gross anatomy and histology coursework was administered to 440 first-year medical students. The results from this survey showed that students with premedical gross anatomy (n = 236) and/or histology (n = 109) earned significantly more points in the corresponding medical school course than students without the premedical coursework (P < 0.05). Analysis of premedical course types revealed that students who took a gross anatomy course with prosected specimens (n = 35) earned significantly more points that those students without premedical gross anatomy coursework (P < 0.05). The results from this study suggest: 1) premedical gross anatomy and/or histology coursework improves academic performance in corresponding medical school courses, and 2) a premedical gross anatomy course with prosected specimens, a specific type of undergraduate course, significantly improves academic performance in medical gross anatomy. Clin. Anat. 15:160,164, 2002. © 2002 Wiley-Liss, Inc. [source] | ||||||||||