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sampling theory, experimental and nonexperimental research design essay example

sampling theory, experimental and nonexperimental research design essay example

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sampling theory, experimental and nonexperimental research design essay example

Sampling theory, experimental and nonexperimental research design essay example

Answers to questions expected to be 150 words. Provide two or more references for each question using in-text citations and source referencing in APA 6th ed. formatting (see announcement on APA 6th ed. formatting). No title page or running header needed.

DQ #1

Provide examples of experimental and nonexperimental research design. Contrast the levels of control applied to each.

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DQ #2
What is sampling theory? Describe it and provide examples to illustrate your definition. Discuss generalizability as it applies to nursing research. sampling theory, experimental and nonexperimental research design essay example.

Discussion Questions
DQ #1
Provide examples of:

  1. experimental research design include;

An experimental design has a vivid hypothesis and is mainly employed in studies whose objective is to confirm or discredit a theory. In this design, the independent variable can be manipulated, and setting controlled, in a bid to illustrate a causal relationship (Parahoo, 2014).. Types of experimental research designs include Pre-experimental designs, true experimental designs, and quasi-experimental designs.

  1. Nonexperimental research design.

In this type of research design, predictor variables are not manipulated, and setting cannot altered. Instead, it relies on interpretation, observation or interactions to come to a conclusion (Holloway, & Galvin, 2016).They include; Single-variable research, correlational and quasi-experimental research sampling theory, experimental and nonexperimental research design essay example

  1. Contrast the levels of control applied to each.

In an experimental design the researcher has the ability to control the conditions surrounding the investigation depending on the nature of the hypothesis (Parahoo, 2014).. Experimental approach is preferred in lab settings

.In nonexperimental research design, experiment is carried out in a natural setting, and researcher has no obligation to change prevailing conditions or groups (Holloway, & Galvin, 2016).. This is because, the objective is to establish correlation, but not causation. Further, it lacks a control group.

DQ #2

  1. What is sampling theory?

A sampling theory is a theory developed to determine the most appropriate sample for a study using a mathematical rationale. sampling theory, experimental and nonexperimental research design essay example. The objective of the sampling theory is to ensure that the selected sample denotes the target population in a study (Holloway, & Galvin, 2016). Hence, the choice of sample to include in investigation reflects the meaning, validity  and generalizability of research findings.

  1. Describe it and provide examples to illustrate your definition.

Under this theory, the target population is the entire group of people with a specific condition that is of interest to the reseach. For instance, people with, or who in the past had malaria would befit the target population. However, since conducting a research employing the target population would be impossible the researcher employs the sampling theory to select an adequate representative sample of this population. The resultant selection will thus have fewer individuals under study but who are adequate for generalization of the results (Holloway, & Galvin, 2016).

Discuss generalizability as it applies to nursing research.

In nursing, generalizability denotes the use of results from a small group in assumption that the outcomes from the group reflect the target (Parahoo, 2014). This is possible when the accessible group is adequate to denotes target population as derived from the sampling theory.

 

References

Holloway, I., & Galvin, K. (2016). Qualitative research in nursing and healthcare. John Wiley & Sons.

Parahoo, K. (2014). Nursing research: principles, process and issues. Palgrave Macmillan. sampling theory, experimental and nonexperimental research design essay example.

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