The categorization should meet the information

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Unformatted text preview: rization should meet the information required to test the hypothesis or investigate the questions. Second, the scheme of classification should be exhaustive. That is, there must be a category for every response. For example, the classification of martial status into three category viz., “married” “Single” and “divorced” is not exhaustive, because responses like “widower” or “separated” cannot be fitted into the scheme. Here, an open ended question will be the best mode of getting the responses. From the responses collected, the researcher can fit a meaningful and theoretically supportive classification. The inclusion of the classification “Others” tends to fill the cluttered, but few responses from the data sheets. But “others” categorization has to carefully used by the researcher. However, the other categorization tends to defeat the very purpose of classification, which is designed to distinguish between observations in terms of the properties under study. The classification “others” will be very useful when a minority of respondents in the data set Sikkim Manipal University Page No. 154 Research Methodology Unit 11 give varying answers. For instance, the reading habits of newspaper may be surveyed. The 95 respondents out of 100 could be easily classified into 5 large reading groups while 5 respondents could have given a unique answer. These given answer rather than being separately considered could be clubbed under the “others” heading for meaningful interpretation of respondents and reading habits. Third, the categories must also be mutually exhaustive, so that each case is classified only once. This requirement is violated when some of the categories overlap or different dimensions are mixed up. The number of categorization for a specific question/observation at the coding stage should be maximum permissible since, reducing the categorization at the analysis level would be easier than splitting an already classified group of responses. However the number of categories is limited by the number of cases and the anticipated statistical analysis...
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This note was uploaded on 04/15/2010 for the course MBA mba taught by Professor Smu during the Spring '10 term at Manipal University.

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