499 articles for “z-score”

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Research ArticleOpen accessIn the abstractAssessment of Canadian Regulations and Remediation Methods for Diesel Oil Contaminated SoilsD. G. Rushton, A E. Ghaly, K. MartinellDiesel fuel released into the environment can contaminate ground water, degrade potable water supplies and cause the collapse of fisheries. They are toxic to both animals and humans and can affect the liver, lungs, kidneys, and nervous system leading to cancer as well as immunological and reproductive effects. The objectives of this study were to review current Canadian regulations pertaining … …American Journal of Applied Sciences, Vol. 4, Issue 7 · 31 Jul 2007 · 8,758 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEvaluation of Local Injection of 0.5% Bupivacaine + 1/200000 Epinephrine for Post Tonsillectomy Pain ReductionKeramat Mozafarinia, Maryam AmizadehTo determine the effectiveness of postoperative local infiltration of Bupivacaine in decreasing post tonsillectomy pain. A double blind randomized clinical trail was conducted. Treatment group was administered 3-10 ml 0.5% Bupivacaine + 1/200000 Epinephrine solution and control group was received 3-10 ml normal saline, locally. Outcome was post surgical pain, which measured by visual analogue scale (VAS), after 6, 12, … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 2 · 30 Jun 2007 · 7,659 accessesView PDF Cite

Research ArticleOpen accessIn the abstractData Quality and IndicatorsJorge Matute, A.P. GuptaThis study highlights the importance of collecting good quality data from multidisciplinary studies. Bias in data may be the result of instrument inaccuracies, imprecise data recording techniques, inaccurate data entry to computers or inappropriate statistical analysis and presentation. Recommendations for good data quality control are given. Different types of data are discussed: raw data, simple indicators and complex indicators. It … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 1 · 31 Mar 2007 · 7,857 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAssessing User Trust to Improve Web UsabilityPunam Bedi, Hema BanatiThe technological advancement has significantly influenced the style of human-computer interaction, especially for World Wide Web. The users can now afford to choose amongst multiple websites offering similar services. The website which provides a usable interface along with requisite services, scores over its competitors. User interaction with a website is driven by two major factors- the performance factors associated with … …Journal of Computer Science, Vol. 2, Issue 3 · 31 Mar 2006 · 7,147 accessesView PDF Cite

Research ArticleOpen accessIn the abstractUsing Neutral Network in Predicting Corporate FailureHuong G. NguyenThis study investigates the predictive power of three neutral network models: Multi-layer neural network, probabilistic neural network, and logistic regression model in predicting corporate failure. Basing on the database provided by The Corporate Scorecard Group (CSG), we combine financial ratios which deem to be significant predictors of corporate bankruptcy in many previous empirical studies to build our predictive models and … …Journal of Social Sciences, Vol. 1, Issue 4 · 31 Dec 2005 · 7,324 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAnalyzing Concept Maps as an Assessment (Evaluation) Tool in Teaching MathematicsAhmet S. OzdemirIn this research concept mapping has been used as a testing instrument. In our country's education system, the relationship between the scores which are given to concept maps and the scores which are given to traditional written exams and multiple choice examinations in teaching mathematics, has been analyzed. Especially the examinations about functions, numbers, exponent numbers, rooted numbers and absolute … …Journal of Social Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 7,405 accessesView PDF Cite

Research ArticleOpen accessIn the abstractThe Role of Environmental Non-Governmental Organizations in Natural Resources Management Extension (Case Study in Iran)Iraj M. Mohammadi, Mehrdad MirbodThis study describes the emergence, development and functions of Environmental Non-Governmental Organizations (ENGO) and addresses their role and impact in Natural Resources Management Extension (NRME) in Iran. The study also attempts to describe the collaboration and support of government organizations managing natural resources, mainly National Forest and Pasture Organization (NFPO) and Environmental Conservation Organization (ECO) and locally based ENGOs in … …American Journal of Environmental Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 6,724 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA New Text Mining Approach for Finding Protein-to-Disease AssociationsHisham Al-Mubaid, Rajit K. SinghDiscovering significant relationships between biological entities from text documents is an important task for biologists in order to develop biological models for research and discovery, especially with the existing gigantic amounts of biomedical documents and the rate at which they are increasing everyday. We propose a new text mining method to extract associations between biological entities from text documents; and … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 3 · 30 Sep 2005 · 7,012 accessesView PDF Cite

Research ArticleOpen accessIn the abstractScholastic Achievement of Higher Secondary Students in Science StreamZebun N. KhanThe present study was conducted on 400 students (200 boys and 200 Girls) selected from senior secondary school of A.M.U., Aligarh-India, to establish the prognostic value of different measures of cognition, personality and demographic variables for success at higher secondary level in science stream. The scores obtained on different variables were factor-analyzed to get a smaller number of meaningful variables … …Journal of Social Sciences, Vol. 1, Issue 2 · 30 Jun 2005 · 7,312 accessesView PDF Cite