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Research ArticleOpen accessIn the keywordsA Monte Carlo Study of Seven Homogeneity of Variance TestsHoward B. Lee, Gary S. Katz, Alberto F. RestoriProblem statement: The decision by SPSS (now PASW) to use the unmodified Levene test to test homogeneity of variance was questioned. It was compared to six other tests. In total, seven homogeneity of variance tests used in Analysis Of Variance (ANOVA) were compared on robustness and power using Monte Carlo studies. The homogeneity of variance tests were (1) Levene, (2) … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 8,103 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Quantitative Study on Japanese Workers' Awareness to Information Security Using the Data Collected by Web-Based SurveyToshihiko TakemuraProblem statement: The researches in the field of social sciences such as economics and business management were not conducted until around 2000. Particularly, there are few empirical studies on information security. Primary reasons among various ones are that there is no data on information security countermeasures and we cannot easily use the data even if the data exist. Though it … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 7,860 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessing Computer Knowledge in Senior High School: A Case Study of the Upper East Region in GhanaN.K. Oladejo, I.A. AdetundeProblem statement: This study contracted with assessing the knowledge of computer in Senior High Schools of the Upper East Region in Ghana. Approach: Data collected by means of administration of questionnaire brings out the level of computer knowledge expected from a student completing a Senior High School in the Upper East Region in Ghana. 140 sample students from 8 districts … …Journal of Mathematics and Statistics, Vol. 5, Issue 4 · 31 Dec 2009 · 7,831 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStudy of the Effects Irrigation Water Sanity and pH on Production and Relative Absorption of some Elements Nutrient by the Tomato PlantHossein Afshari, Shahram Ashraf, Abdol Ghaffar Ebadi et al.Problem statement: This study was conducted to examine the effects of irrigation water pH and Salinity on the growth and absorption of P, Na, Ca, K by tomato. Approach:The study includes two Salinity and pH factors and is consisted from 12 treatment and three repetitions. Tomato seeding grown in foam trays were transplanted in the joune 2010 to bags filled … …American Journal of Applied Sciences, Vol. 8, Issue 8 · 18 Jul 2011 · 7,695 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAdjusted Transformation Methods for Reproduction Quality ControlEmmanouil-Nektarios Kalligeris, Alex Karagrigoriou, Kostantinos Ladopoulos, Christina Parpoulan this paper we introduce adjusted transformation methods for off-line quality control. The proposed methods result in proper performance measures for the determination of the controllable factors that affect the mean and variability of the response variable of interest. The details of the proposed adjusted transformations are provided and compared with the well-known Box and Coxtransformation and the safeguard method … …Journal of Mathematics and Statistics, Vol. 15, Issue 1 · 22 Oct 2019 · 6,873 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMeasuring three Demarketing Cases using Statistical MethodsEunice Lebogang Sesale, Mantepu Tshepo Mase Tshaba, Tshepo Matsose et al.This paper applies statistical measures to illustrate effects of 'demarketing' in three case studies. The first case involves a leading Internet café which had recently lost customers to rivals in the same trading environment. The second one involves a reputable Chicken farm that had also lost many clients. The third one involves a Catering services company that had lost some … …American Journal of Applied Sciences, Vol. 14, Issue 3 · 2 Mar 2017 · 7,275 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDetermining the Effect of Sediment Resuspension from the Activity of Phenoloxidase in Penaeid Shrimp Post LarvaeNapaporn Leadprathom, Pornpimon Teangtarn, Kedsiri Ing-kanorn et al.Problem statement: Regular sediment resuspension or dredging in coastal zones can induce stress in a postlaval penaeid shrimp, which affects immune response. Phenoloxidase is a significant enzyme in the penaeid shrimp’s immune system which, when used as a biomarker, can serve as an early warning sign in ecological systems. The stress response of shrimp postlarvae from sediment reuspension was analyzed … …American Journal of Environmental Sciences, Vol. 8, Issue 3 · 12 Jun 2012 · 7,089 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluence of Host Plant Species and Flush Growth Stage on the Asian Citrus Psyllid, Diaphorina citri KuwayamaStephen Leong Chan Teck, Abang Fatimah, Andrew Beattie et al.Problem statement: In order to establish the important host range of D. citri, the performance of this psyllid on different rutacous host plants was assessed. Apparent regional differences in host preferences of D. citri as noted above and the need for empirical knowledge of its host preferences in Malaysia where it is lacking. Approach: Experiments on host plant preference between … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 4 · 27 Dec 2011 · 10,043 accessesView PDFCite
Research ArticleOpen accessIn the keywordsNutritional Supplements and its Effect on Quality of Life and SleepSara Sarrafi Zadeh, Khyrunnisa BegumProblem statement: Inadequate sleep has been recognized as a risk factor for poor health status. Mental stress, body pains, melatonin deficiency, late night awakening disturbing the body clock are triggers for poor quality of sleep and fatigue. Fatigue due to insomnia is a major cause for poor quality of life. Evidences suggest certain nutrients to exert profound influence on quality … …Current Research in Medicine, Vol. 2, Issue 2 · 1 Dec 2011 · 9,258 accessesView PDFCite
Research ArticleOpen accessIn the keywordsReversal of Dexamethasone Depressant Action in Wound Healing by Ficus Benghalensis L. RootsKrishna Murti, Upendra KumarProblem statement: Ficus benghalensis is widely used plant world wide traditionally as well as scientifically. It has a wide uses in various medical ailments. As a part of pharmacological evaluations, we have carried out wound healing activity specially in dexamethasone depressed healing conditions. Approach: Wound healing activity was established by two medels namely incision and excision. Results: The roots of … …American Journal of Pharmacology and Toxicology, Vol. 6, Issue 2 · 17 Sep 2011 · 7,302 accessesView PDFCite