Research Methodology




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Road map
Introduction
Sampling Terminologies
Features of a reliable sample
Steps in Conducting a Sample Survey
Sampling Techniques
Errors in Sample Surveys
Conclusion
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introduction




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Sampling Terminologies
Population
Sample
Sample size
Sampling Design
Sampling Unit
Sampling Frame
Saturation Point
Sampling Error

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Features of a reliable
                     sample
Goal oriented

Accurate representative of the universe

Proportional

Random selection

Economical

Practical
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Steps in Conducting a Sample
                Survey

1. Objectives of the survey




2. Defining the Population to be sampled



3. Defining the Sampling Frame and Sampling Unit
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Steps in Conducting a Sample
               Survey
4. Data to be collected
5. Designing the questionnaire




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Steps in Conducting a Sample
             Survey
6. Selection of Proper Sampling Design
7. Conducting the Fieldwork




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Sampling Techniques




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Probability Sampling
Simple Random Sampling
Systematic Sampling




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Probability Sampling
Stratified Random Sampling
Cluster Sampling
Multistage Sampling




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Non probability sampling
Quota Sampling
Convenience Sampling




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Non probability sampling
Judgment Sampling
Snowball Sampling




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Errors in Sample Surveys
Sampling Error
Non Sampling Error




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Types of Errors
Population Specification Error
Sampling Error
Selection Error
Frame Error
Non Response Error
Surrogate Information Error
Measurement Error



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Conclusion




     Sampling                               Error
                          Non-probability
            Probability


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Research methodology