Loins,B-EDR-8300-6

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Loins-B-EDR-8300-6 1 Define Populations and Samples for Study Feasibility School of Education, Northcentral University EDR-8300: The Research Process Oct. 29, 2023

Loins-B-EDR-8300-6 2 Section 1: Research Populations and Sampling Methods Research design is the groundwork of research methods and approaches selected by researchers to perform a study (Privitera & Ahlgrim-Delzell, 2019). Researchers must ensure the research design elements demonstrate attributes that align with the research questions, resources, methods, and design when selecting the population for their research study (Daniel, 2012). This essay will provide definitions of sampling terminology, sampling method examples, exclusion and inclusion criteria, and distinguish between random and non-probability sampling. I will apply this week’s terminology to my research study to discuss the populations, sampling frame, inclusion/exclusion criteria and how these concepts alter for quantitative and qualitive studies. The last section of the essay will focus on the alignment of feasibility to sampling choices, study design, sampling design, and methodology. Section 1: Research Study Population Classification Target Population Target population is the complete population or group that the researcher is interested in conducting a study to learn more about to generalize the results (Bickman & Rog, 2008). Target populations set clear direction, breadth of work and goals of the research and data. They are large groups, including humans, plants, animals, and objects that contain targeted variables (Priviteria & Ahlgrim-Delzell, 2019). Researchers must state their inclusion and exclusion criteria when they select the target population.

Loins-B-EDR-8300-6 3 Inclusion and exterior criteria are characteristics potential participants must have to participate in the study. Source Population The source population is a subset of a specific population of interest considered for an absolute group of studies. Source population helps to clarify the underlying forces of target groups. A source population enables the study population in which all the individual organisms have an equal and impartial opportunity to be chosen for the population study. The source population is significant in selecting the quantity and circulation of a category to confirm the direction of species and assist in the precise forecast of the population gestures. Study Population Study population is a subset of the source population in which the participants confirm to participate in the study (Henry, 2009). The study population contains the designated characteristics designated when selecting the target and source populations and available for the research study (Daniel, 2012). A portion of the source population may not be unavailable for the researcher because the sources are deceased, could not be contacted or they refuse to participate. When this occurs, researchers may choose to conduct a census to involve the entire survey population in the study or streamline the population by developing a sampling frame to select participants (Daniel, 2012). Sampling Frame A sampling frame is a list or tool researchers use to define the population of interest for study (Copeland, 2017). It is a complete collection of features a researcher uses to choose sample participants in a specific order. For example, each member of the population will contain its own identity contact method which enables the researcher to classify and label information by

Loins-B-EDR-8300-6 4 distribution features. It is important the sampling frame is large enough to accommodate the target population requirements.

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