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When conducting correlational studies, research determine whether two variables (for example, height and weight or smoking and cancer) are related to each other. Such studies assess whether the variables are “corre-lated” in some way: Do ..Read More

Obviously, a measure should be more reliable and valid. It is possible, however, to have a test or measure that meets one of these criteria and not the other. Think for a moment about how this might would occur. Can a test be reliable without being v..Read More

Comparisons and discussions always enrich our lives and we are busy making comparisons in almost everything , be it smartphones, operating systems, technologies, electing candidates or anything else. Let us bring in a..Read More

SAS extends a helping hand in advanced analytics and hence contributes a lot to those pursuing their PhD. To make the process simpler and easier for researchers, there also comes a free SAS software nowadays which could be easily used in statistics a..Read More

STATA is a statistical software program that offers a quick solution to your research needs so that you can solve statistical problems on your own. Under the supervision of a person who knows statistics quite well, you can always learn to appreciate ..Read More

“Para” means closely related and “metric” means measure. Nonparametric statistical method, as the name suggests, has a different approach from the parametric statistics analysis. Nonparametric tests can be used with both the n..Read More

When you are aiming to succeed in your PhD, completing your research is crucial in getting ahead. Every student who aspires to get a PhD is faced with the troubles of completing research and analysing the data. For many students, statistics is one su..Read More

If you are unable to evaluate the multiple factors affecting your research or hypothesis testing, you should opt for factorial design analysis. While it is easier than one-factor-at-one-time analysis, getting factorial design right is no way simple. ..Read More