Statistics 212 INDEX

NIDA Researeh Monographs are indexed in the Index Medicus. They are selectively ineluded in the coverage of American Statistics Index, Biosciences Information Service, Chemical Abstracts, Current Contents, Psychological Abstracts, and Psychopharmacology Abstracts. 

When the results from several studies are converted into similar units, a simple inspection of a graph or table readily reveals which studies have different outcomes from the majority. Such discrepancies can also be examined by a variety of statistical indices. For example, one can calculate a statistical index of homogeneity, remove the most discrepant study, and recalculate, revealing that all but one study is homogenous. If two studies are discrepant, one could remove both and again reexamine the indices of homogeneity, and so on. For an example, we summarize the relative efficacy of unilateral nondominant versus bilateral electrode placement for the administration of electroconvulsive therapy (ECT). Here, 10 studies had one result, and two others a different outcome (see Table 8-10 and Table 8-11, in Chapter 8). 

Statistics Related to Overweight and Obesity." Weight-control Information Network (WIN), a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), May 2007. Available online. URL http // win.niddk.nih.gov/statistics/index.htm preval. Accessed August 28, 2007. 

A statistical index of precision calculated as ([standard deviation x 100] mean). The CV is a measure of the variability in a group of measurements. Since the CV is unitless, it can be used to compare CVs from different experiments . It is also a quality control tool. For example, in the algal microplate toxicity test, algal cell density in control wells at the end of the test exposure period must have a CV not exceeding 20% to meet test acceptability criteria. Volume 1(1,2,3,10). 

National Diabetes Information Clearinghouse (NDIC). 2005. Total Prevalence of Diabetes in the United States, All Ages, 2005. http //diabetes.niddk.nih.gov/dm/pubs/ statistics/index. htm 7 (accessed March 3, 2006). 

The Spearmann rank correlation coefficient is a widely used statistical index that can also be taken as a similarity measure of 3D distributed properties [Dean, 1990 Man-aut et ai, 1991] it is defined as ... 

Statistics http //www.wineinstitute.org/communications/statistics/index. htm... 

JISHA (2010) Industrial Accidents Statistics in Japan (available online at http //www. jisha.or.jp/english/statistics/index.html last accessed 25 July 2012). 

First, a set of two mutually exclusive alternative conditions is specified. For example, the addition of substance X to an infant formula either (a) hinders the ability of the infant to maintain proper physical growth, or (b) it does not hinder proper physical growth. Second, a set of risk probabilities are specified (the alpha level of the test and the power of the test), which allows the researcher to control the probabilities of drawing an incorrect inference. Third, a set of assumptions is specified that, taken together with the null and alternative hypotheses, allow the complete specification of the behavior of some statistical index. 

Furthermore, to assess the significance of the differences observed in the cluster index values, a statistical index Tc is computed ... 

II, 1983), esp. pp. 292-294 (chemicals allied products), 1408-1409 (R D), and 1475 (scientists and engineers). Statistics Sources, however, lacks the analytical descriptions of each entry (down to the titles of tables) that make the American Statistics Index and the Statistical Reference Index so valuable. Theodore Peck s Chemical Industries Information Sources (II, 1979) is also useful. 

The relative statistical power, as defined by Eq. (3.112), does not always parallel the Pearson coefficient or the relative correlation factors, as is evident from Tables 3.22 and 3.23. However, because it includes more statistical information, we consider a model as relevant when it has greater individual output of this newly introduced statistical index. In particular, neither the linear nor the multilinear QSAR framework provides a good fit between the statistical correlation and the relative statistical power using the structural... 

Cuantltatlve observations replication, taw data, descriptive statistics, indexes Controls, material standards, paired observations Bloassays Apparatus... 

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