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# Research Methods - Essay Example

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This work called "Research Methods" describes quantitative data analysis proves as a powerful part of a research process. The author also outlines the role of statistical studies, conducting surveys, the concept of the questionnaires, the process of creating research…

## Extract of sample "Research Methods"

Download file to see previous pages Descriptive statistics is about the collection and presentation of data, as well as describing the characteristics of individual objects or groups of individuals under study (Donnelly, 2004). Some of the descriptive statistics which are commonly used are the frequency distribution, like tables, graphs, figures. Other measures that can be used in describing the characteristics of individuals or groups of individuals or objects under study are the measures of dispersion and whether the data has normal or abnormal distribution. Inferential statistics, on the other hand, is about the analysis and interpretation of data (Donnelly, 2004). These statistics consists of different statistical tools/tests used in the analysis of the interval, ratio, nominal and ordinal data. These tests are used in making inferences from or conclusions on larger groups, and populations, or in making generalizations about them on the basis of information obtained by the study of one or more samples. The extent to which the use of these statistics can be done with accuracy depends on the goodness of samples. The sampling techniques or procedures are also of great importance with regard to the use of these different statistical tests.
Empirical studies and statistical studies are said to be categories where quantitative research falls and quantitative methods have become integral parts. In these, control of variables, randomization, reliable measures, and generalization from the sample to the population are taken into consideration (Newman and Benz, 1998).
Today, psychology, social science, epidemiology, education, economics, public health, and marketing are some of the major fields trying to make use of the advantages of quantitative research (Kumar, 2005). These fields normally require investigating the relationship between observed phenomena and the chosen variables. Quantitative research can provide further explanations or details of any relationship that might be determined from the tested variables by the investigator (Creswell, 2003).
As stated earlier, statistical studies are categories of quantitative research. It is a common observation that quantitative research using statistical study may either employ descriptive statistics, inferential statistics, or even both of them. It is therefore implied that the use of statistics at some point is an integral part of quantitative research. This is evident enough when the researcher is trying to employ in his or her study quantitative data, but the method to be employed does not necessarily follow to be in line with quantitative research (Taylor et al., 2006). This is due to the fact that from the point of view of the researcher there are some considerable choices at hand and subject matters to be taken into account. ...Download file to see next pagesRead More
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### Research Methods

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