Quantitative Data Collection Instruments and Sampling Methods

Jun 17th, 2015
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Newman University
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The same data can be collected several times on the same population. -It helps gauge the changes that are occurring within the population.

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Quantitative Data Collection Instruments and Sampling MethodsStudents Name:Course Name and Number:Instructors Name:Submission Date:Examples of data collection instruments include, Questioners.Interviews.Observation.Examples of sampling methods include,Panel sampling.Judgmental sampling or Purposive sampling.Convenience sampling.Examples of statistical methods include, Dispersion.Probability.Displaying data.The strengths and weaknesses of each sampling approachPanel SamplingAdvantages - The same data can be collected several times on the same population.- It helps gauge the changes that are occurring within the population.Disadvantages- It is time consuming because the researcher will be needed to collect data several times.- Changes occur within the population thus it will be difficult for the researcher to records as well as present data. Judgmental sampling or Purposive samplingAdvantages - It saves time because there will be no need to collect data from the entire population.- The most suitable person to collect information from is chosen.Disadvantages- The researcher may choose a wrong person to collect research on.- Limited information may be collected since the researcher will not collect information from a wider population.Convenience SamplingAdvantages - It helps save time.- The researcher can collect additional data from the respondent because there is little distance between them.Disadvantages- If there is no

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