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What is Sample design in Research Methodology ?

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Using non-probability sampling methods, it is not possible to say what is the probability of any particular member of the population being sampled. Although this does not make the sample ‘bad’, researchers using such samples cannot be as confident in drawing conclusions about the whole population.

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Probability sampling is a technique wherein the samples are gathered in a process that gives all the individuals in the population equal chance of being selected. Many consider this to be the more methodologically rigorous approach to sampling because it eliminates social biases that could shape the research sample.

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Sampling frame /Source list -complete list of all the members/ units of the population from which each sampling unitSample design / sample plan-is a definite plan for obtaining a sample from a given considerableaps.tkng unit-is a geographical one (state,district)Sample size-number of items selected for the studySampling Error-is the difference between . Types of sampling design in Research Methodology. There are different types of sample designs based on two factors viz., the representation basis and the element selection technique.

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Sampling Methods. Sampling and types of sampling methods commonly used in quantitative research are discussed in the following module. Learning Objectives: Define sampling and randomization. Explain probability and non-probability sampling and describes the different types of each. 51 CHAPTER 3 Research design and methodology INTRODUCTION This chapter covers the research design and methodology, including sampling, population.