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58 results for “Test of Hypothesis”

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Research ArticleOpen accessIn the abstractAntidepressant-Like Effects of Selected Crude Extracts of Pilea microphylla in Mice Model of DepressionAmir Modaressi Chahardehi, Darah Ibrahim, Fabrid Aboulhasani, Shaida Fariza SulaimanThe present study was undertaken to investigate the effect of selected crude extracts namely, Methanol (ME I), Chloroform Extract (CE II) and Ethyl Acetate (EAE II) extracts of Pilea microphylla on depression in mice. In the present study, the antidepressant effect of P. microphylla was examined due to its rich flavonoid contents in the Urticaceae family using two behavioral models, … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 1 · 19 Mar 2013 · 7,947 accessesView PDFCite
Research ArticleOpen accessIn the abstractRestoration of Biodiversity and EcosystemIgnacio Santa-Regina, M. C. Santa-ReginaSuccession is one of the most studied processes in ecology and succession theory provides strong predictability. However, few attempts have been made to influence the course of succession thereby testing the hypothesis that the passage of one stage is essential to enter a next one. At each stage of succession ecosystem processes may be affected by the diversity of species … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 1 · 10 Mar 2013 · 6,989 accessesView PDFCite
Research ArticleOpen accessIn the abstractMosaic Masonries to Interpret Diagnostic Test ResultsRamalingam ShanmugamCurrently, assessing superiority of a diagnostic test requires cumbersome calculations and confusing interpretations because of nonlinear Receiver Operating Characteristic Curve (ROC). To remedy these difficulties, this article prepares, provides an easier alternate geometric approach. That is, a simple but more effective visual approach with two complementary mosaic masonries are constructed with their properties, superimposed and utilized. First masonry is conditional … …Current Research in Medicine, Vol. 4, Issue 1 · 12 Feb 2013 · 6,858 accessesView PDFCite
Research ArticleOpen accessIn the abstractOne-Sided Multivariate Tests for High Dimensional DataSamruam ChongcharoenProblem statement: For a multivariate normal population with size smaller than dimension, n<p, the likelihood ratio tests of the null hypothesis that the mean vector was zero with a one-sided alternative were no longer valid because they involved with sample covariance matrix which was singular. Approach: The test statistics for one-sided multivariate hypotheses with n<p were proposed. Results: The simulation … …Journal of Mathematics and Statistics, Vol. 8, Issue 2 · 20 Jun 2012 · 7,264 accessesView PDFCite
Research ArticleOpen accessIn the abstractGender, Stereotype Threat and Mathematics Test ScoresMing Tsui, Xiao Y. Xu, Edmond VenatorProblem statement: Stereotype threat has repeatedly been shown to depress women’s scores on difficult math tests. An attempt to replicate these findings in China found no support for the stereotype threat hypothesis. Our math test was characterized as being personally important for the student participants, an atypical condition in most stereotype threat laboratory research. Approach: To evaluate the effects of … …Journal of Social Sciences, Vol. 7, Issue 4 · 16 Aug 2011 · 8,822 accessesView PDFCite
Research ArticleOpen accessIn the abstractDoes Predator Go for Size Selection or Preferential Toxic-Nontoxic Species Under Limited Resource?Joydeep Pal, S. Bhattacharya, J. ChattopadhyayProblem statement: Selectivity is common in predator-prey interaction but the selection mechanism is still unexplored and a debatable issue in modern theoretical and experimental ecology for numerous species across the globe. In present investigation we emphasized the hypothesis that the zooplankton is less inclined to opt the food based on size selectivity criteria than the preferential selectivity for the safe … …OnLine Journal of Biological Sciences, Vol. 10, Issue 1 · 30 Jun 2010 · 7,908 accessesView PDFCite
Research ArticleOpen accessIn the abstractRandom Walk Models Classifications: An Empirical Study for Malaysian Stock IndicesChin Wen CheongThis article studied the Random Walk models introduced by Campbell et al.[2] for Malaysian stock market. The analysis is implemented under the possible drastic economics structural change using an iterative structural change test. After the break-date identification, the random walk hypothesis is tested by multiple variance ratios test in two separate periods. We further examined the serial correlations of return’s … …American Journal of Applied Sciences, Vol. 5, Issue 4 · 30 Apr 2008 · 6,854 accessesView PDFCite
Research ArticleOpen accessIn the abstractCortisol Response Mediates HIV-1-Related Cognitive Deficits Among Injecting Drug AbusersRaymond L. Ownby, Drenna Waldrop-Valverde, Adarsh M. Kumar et al.The cortisol response is an important measure of the endocrine activity to environmental challenges and has been related to cognitive function and mood. Previous studies have shown that the cortisol response to stress is dysregulated in persons with HIV-1 infection. Since cortisol is neurotoxic and its levels have been related to cognitive dysfunction in various disorders, it is possible that … …American Journal of Infectious Diseases, Vol. 2, Issue 2 · 30 Jun 2006 · 6,762 accessesView PDFCite
Research ArticleOpen accessIn the abstractPERCEIVED SOCIAL STIGMATIZATION AND COPING STRATEGIES AS PREDICTORS OF PSYCHOLOGICAL WELL-BEING AMONG FEMALE PARTNERS OF PRISONERSBada Bukola Victoria, Balogun Shyngle Kolawole, Adejuwon Grace AnuoluwapoThe objective of this study is to examine how coping strategies and perceived social stigmatization predicts the psychological wellbeing of female partners of prisoners in Ibadan, Nigeria. Using the purposive sampling techniques, a total of one hundred and nine (109) female partners of prisoners in Ibadan participated in the study. The ages of the participants ranged between 20 years to … …Journal of Social Sciences, Vol. 10, Issue 1 · 2 Apr 2014 · 8,149 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Teaching Method to Develop a Critical Thinking of the Students of the General Education Ecclesiastical SchoolPhrakhruvisitpattanaporn, Saner Piromjitrapong, Saman AsavabhumiProblem statement: The objectives of the research were to study (1) the teaching method to develop a critical thinking of the students of the General Education Ecclesiastical School, (2) the effectiveness of the teaching method to develop a critical thinking of the students of the General Education Ecclesiastical School. Approach: The populations were the students of 35 general education ecclesiastical … …Journal of Social Sciences, Vol. 8, Issue 3 · 31 Aug 2012 · 7,335 accessesView PDFCite