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POWDERS AND GRANULES ERT 430 SEM 2, 2013/14
POWDERS AND GRANULES ERT 430 SEM 2, 2013/14

... Hypothesis testing is the basis for many decision made in science and engineering.  The hypothesis tests that we describe are used to determine if the results from these experiments support the model.  If agreement is found, the hypothetical model serves as the basis for further experiments.  Whe ...
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... This study was designed to provide 90% power to detect a 60 mL difference in wmFEV1 at Week 12 between two active treatments. Although there are no published literature or consensus statements on what constitutes the Minimal Clinically Important Difference (MCID) for wmFEV1 for patients with airflow ...
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Meta-Analysis of Cognitive–Behavioral Treatments
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... and the package insert cautions against storage with the cap off, and exhalation into the device. To examine the potential effect of not replacing the cap effectively, Turbuhalers were stored at 30°C and 75% relative humidity, for up to 60 days, five with their caps secured and five with their caps ...
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Effect size

In statistics, an effect size is a quantitative measure of the strength of a phenomenon. Examples of effect sizes are the correlation between two variables, the regression coefficient in a regression, the mean difference, or even the risk with which something happens, such as how many people survive after a heart attack for every one person that does not survive. For each type of effect-size, a larger absolute value always indicates a stronger effect. Effect sizes complement statistical hypothesis testing, and play an important role in power analyses, sample size planning, and in meta-analyses. They are the first item (magnitude) in the MAGIC criteria for evaluating the strength of a statistical claim.Especially in meta-analysis, where the purpose is to combine multiple effect-sizes, the standard error of effect-size is of critical importance. The S.E. of effect-size is used to weight effect-sizes when combining studies, so that large studies are considered more important than small studies in the analysis. The S.E. of effect-size is calculated differently for each type of effect-size, but generally only requires knowing the study's sample size (N), or the number of observations in each group (n's).Reporting effect sizes is considered good practice when presenting empirical research findings in many fields. The reporting of effect sizes facilitates the interpretation of the substantive, as opposed to the statistical, significance of a research result.Effect sizes are particularly prominent in social and medical research. Relative and absolute measures of effect size convey different information, and can be used complementarily. A prominent task force in the psychology research community expressed the following recommendation:
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