Published on September 19, by Shona McCombes. Revised on April 23, Instead, you select a sample. The sample is the group of individuals who will actually participate in the research. To draw valid conclusions from your results, you have to carefully decide how you will select a sample that is representative of the group as a whole. There are two types of sampling methods:.
How to use stratified sampling
Sampling Methods | Types and Techniques Explained
The sampling strategy that you select in your dissertation should naturally flow from your chosen research design and research methods , as well as taking into account issues of research ethics. To set the sampling strategy that you will use in your dissertation, you need to follow three steps: a understand the key terms and basic principles ; b determine which sampling technique you will use to select the units that will make up your sample; and c consider the practicalities of choosing such a sampling strategy for your dissertation e. If you are already confident that you understand these basic principles of sampling, we introduce you to the two major groups of sampling techniques that you could use to select the units that you will include in your sample:. Probability sampling techniques , which include simple random sampling , systematic random sampling and stratified random sampling.
Sampling Methods Essay
Sampling This study utilized a convenience sample. The convenience sampling method was used in the study as a means of quickly gathering data to begin calculations. There are 29 counties in the State of Utah. There are three school districts in Utah County with over 51 public schools including 18 high schools. The selected population was the Nebo School district because of the close proximity and access to the researcher.
Published on September 18, by Lauren Thomas. Revised on October 12, In a stratified sample , researchers divide a population into homogeneous subpopulations called strata the plural of stratum based on specific characteristics e. Every member of the population should be in exactly one stratum. Each stratum is then sampled using another probability sampling method, such as cluster or simple random sampling, allowing researchers to estimate statistical measures for each sub-population.