RESEARCH METHODOLOGY
Research methodology is a careful investigation for inquiring in a systematic method and finding solution of a problem. It comprises the defining and redefining of problem formulating hypothesis, collection and evaluating data, making detection and reaching conclusion. This research consists of following element:
- RESEARCH DESIGN
- SAMPLING DESIGN
- SAMPLING UNIVERSE
- SAMPLING UNIT
- SAMPLE SIZE
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RESEARCH DESIGN
Decision regarding what, when, where, how much, by what mean, concerning an enquiry, constitute a research design.
SAMPLE UNIVERSEÂ
Collection, population, or set of entities, items, or quantities (grouped together on the basis of common or defining characteristics or features) from which a representative sample is drawn for comparison or measurement.
SAMPLING UNIT
It is one of the units into which an aggregate is divided for the purpose of sampling, each unit being regarded as individual and indivisible when the selections made.
SAMPLE SIZE
The sample size of a statistical sample is the number of repeated measurement that constitutes it. It is typically denoted n, and is a non-negative integer.
This refers to the number of items to be selected from universe to constitute a sample.
The survey has been conducted on sample size of 100.
DATA DESIGN
In nature of data, it constitutes both primary and secondary.
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PRIMARY DATA
Primary data is one which is collected first time and original in nature. This can be done in following ways:
- Observation
- Personal interview
- Telephone
- Questionnaire
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SECONDARY DATA
The data which is already collected by someone else. i.e. collected through journals, magazines, newspaper and internet.
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