Sampling Flashcards, test questions and answers

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What is Sampling?

Sampling is a process used in research, marketing and other areas to gather information from a subset of the population. It is an important tool for understanding the larger population. By selecting a sample of individuals that accurately reflect the characteristics of the general population, researchers can more easily draw conclusions about what’s happening in that larger group. The most common form of sampling is random sampling. In this type of sampling, every member of the population has an equal chance of being chosen as part of the sample. This ensures that all types and groups within the population are represented in a fair and accurate way. Random sampling eliminates bias, which means it gives researchers more reliable results than choosing their own sample group. Other forms of sampling are available as well. Stratified sampling divides a population into smaller subsets based on certain characteristics (age, gender, ethnic background) then randomly samples from each subset to ensure adequate representation from each group. Quota sampling involves selecting individuals based on predetermined criteria such as age or sex; this type of sample may be used when random selection isn’t possible due to time constraints or cost limitations. Finally, convenience sampling involves simply choosing whoever is readily available for data collection (customers at your store today). No matter which type you use, it’s important to understand how your sample was selected so you know its limitations and what results you can really draw from it successfully; otherwise your findings won’t be accurate or useful when applied to the larger population at large.