LS221 Chapter Notes - Chapter 12: Systematic Sampling, Convenience Sampling, Sampling Frame
30 Oct 2016
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Sample types in relation to research methods. Sampling - the selection of a subset of a population for research. Element/unit - a single case in the pop (ie a person) Sampling frame - the list of elements from which the sample will be selected. Representative sample - a sample that is microcosm of the pop (represents the pops. Probability sample - a sample selected using random procedures in which everyone has equal chance of being chosen. Non-probability sample - uses a non-random method. Some have a higher chance of being selected than others. Census - collecting data from all parts of the population. Everyone has an equal chance of being selected n = sample size. }sampling ratio exp). n/n = 450/9000 = 1 in 20 chance of being selected. 1 in every 20 people is asked, starting at a random point in between the numbers 1 and.
