منابع مشابه
Misunderstanding analysis of covariance.
Despite numerous technical treatments in many venues, analysis of covariance (ANCOVA) remains a widely misused approach to dealing with substantive group differences on potential covariates, particularly in psychopathology research. Published articles reach unfounded conclusions, and some statistics texts neglect the issue. The problem with ANCOVA in such cases is reviewed. In many cases, there...
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THE NOTION OF A Socratic PHILOSOPHY, as distinct from what is commonly known as Platonism, has its origins in the work of Gregory Vlastos1 and continues today through the scholars he has influenced.2 The Socratic movement in Plato studies maintains that one can identify in certain Platonic dialogues a philosophical method and a collection of philosophical theses which may properly be attributed...
متن کاملANALYSIS OF COVARIANCE BASED ON FUZZY TEST STATISTIC
One-way analysis of covariance is a popular and common statisticalmethod, wherein the equality of the means of several random variables whichhave a linear relationship with a random mathematical variable, is tested. Inthis study, a method is presented to improve the one-way analysis of covari-ance when there is an uncertainty in accepting the statistical hypotheses. Themethod deals with a fuzzy...
متن کاملAnalysis of Covariance
A common task in research is to compare the averages of two or more populations (groups). We might want to compare the income level of two regions, the nitrogen content of three lakes, or the effectiveness of four drugs. The one-way analysis of variance compares the means of two or more groups to determine if at least one mean is different from the others. The F test is used to determine statis...
متن کاملA chasm of misunderstanding
T he gulf between public perception and scientific consensus seems to be widening in a number of key areas with significant consequences for policy, funding and research. The science of climate change has featured prominently in this context, but profound gaps are also evident in some areas of the life sciences, including genetically modified organisms (GMOs) and risk assessment in medicine. Pu...
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ژورنال
عنوان ژورنال: Journal of Abnormal Psychology
سال: 2001
ISSN: 0021-843X
DOI: 10.1037//0021-843x.110.1.40