Research Methods Online Discussions 3
Different methods of sampling are used to extract information from a set of population for finding an objective oriented result. Systematic sampling, stratified sampling, cluster sampling, purposive sampling and snowball sampling are a few examples of the renown sampling methods. The same have been explored in course books to investigate over large population with a set of target populace for measurement of interest of the researcher's case study. For the sake of example, Case – B, Grover's Corner Department of Transportation can be explored for the observation of the use of sampling methods utilized in the case study. The objective of measurement, overall population, variables are the features that determine the most suitable sampling unit, sampling frame and sampling scheme to be drawn upon target population. Therefore, the investigation of Case B aims to analyse consumer satisfaction after the upgradation of the portion of stations in its light rail system. The customers involve the commuters from all genres that are the total population are also the target population. Hence, pertaining to the objective of the analysis, which is to analyze the satisfaction level of commuters out of the enhancement that catered them with enhanced vendor outlets and parking space, the sampling unit is that of students and office workers. The sampling frame appropriate for such an investigation will be drafted to hit the peak hours of transportation for office workers and college students. Finally, the most important assessment is the choice of sampling scheme to be implied for evaluation of the data. Herein, the most appropriate selection of sampling schemes is that of purposive sampling that allows judgemental incorporation of population to eliminate any chase of bias enclosure.
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