14 Aug Sampling ProcedureA report by Pew Research Center on the use of social media ind

Sampling ProcedureA report by Pew Research Center on the use of social media indicated a significant rise inthe past one decade. The table below shows the statistics among the different demographics whouse the social media.YEAR200520062008200920102011201220132014201518-291241637278808388849030-4986274453606773777750-645392233374352525165 OR OLDER2027111319262735This report was compiled from 27 surveys where 27,000 adult internet users wereinterviewed and 62,000 adults were also interviewed across the 50 states. The surveys wereconducted from March 2005 to July 2015 by the Pew Research Center. The various researcheswere then compiled in this one report to allow for comparison of the findings from each specificsurvey. The surveys were conducted both by telephone or face to face.Define the target population: The target population in the 27 surveys comprised of adultsfrom the ages of 18 years and above. The surveys targeted the whole population of adults in theUnited States , from internet and non internet users.Determine the sampling frame: The sampling procedure was based first on those whouse the internet and the general population. Secondly, the sample comprised of different groupsof respondents based on demographics. The demographics included were age, race,geographical location, gender, community and socio-economic profiles.Determine the sample size: The sample sizes in the 27 surveys were 1200 respondents foradults that used internet and 2300 for the general population. The samples were also selected bydifference in the target population’s demographics.Execute the sampling process: The interviews for the 27 surveys were conducted fromMarch 9, 2005, to July 28, 2015. Each survey was done for about three months every year for thenine years. The interviews were conducted in both English and Spanish to get the views of all theracial groups who have settled in the United States for the last decade. The respondents weregrouped according to their demographics to collect all the information required for the study.Advantages of the sampling procedure used: There are various advantages of thesampling procedure used in the 27 surveys. First, the samples combined all the demographicgroups in the targeted population allowing comparisons. Secondly, the yearly totals werecalculated by adding all the samples in the 27 surveys for the calendar year and appropriateweight added on each sample. Thirdly, the weights added to adjust the samples for bothdisproportionate, and nonresponse sampling reduced the precisions estimations that would haveotherwise been achieved through simple random sampling. Lastly, the sampling procedureconsidered all the measures of sampling errors and other significant statistical data reducing themagnitude of these errors in the final estimations.Disadvantages of the sampling procedure used: The procedure also had a few challengeswhich included the following: First, there was no reliable technique to determine whether therespondents who claimed to use the internet actually use it. The interviewers drew theirconclusions on word of mouth from the respondents which could be objective. Secondly, themethod of sampling used could fail to represent the whole target population since only 27,000interviews for adult internet users, and 63,000 interviews for general adults were conducted.These number could be insufficient to represent the whole population of all the 50 states in theUnited States.

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