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Discussion: Quantitative Research Designs

In order to find the best information on a topic, not only should you develop a question and search for resources, but you should also know how to analyze the value of the resources that you identify. There are different ways to evaluate resources, such as using the hierarchy of evidence, which you explored in Week 4 of this course. Another way to evaluate resources is to consider the appropriateness of the research design. Understanding how research designs contribute to the quality of a study is essential for being able to analyze resources when conducting a literature review or locating evidence for practice.

In this Discussion, you consider the different research designs and evaluate how these designs have been used to research a specific topic. You also consider strategies for selecting an appropriate research design.

To prepare:

  • Review the information in the course texton quantitative research designs. Focus on the information in Box 9.1, “Guidelines for Critiquing Research Designs in Quantitative Studies” located on page 210 of the course text.
  • Select a topic from the list below and search the Walden Library to find two different quantitative research studies addressing that issue:
    • Caregiver stress
    • Anxiety in children
    • Sleep apnea
    • Depression in college freshmen
    • Rural health care issues
    • Post-traumatic stress syndrome
    • Traumatic brain injury in veterans
    • Health effects of environmental contaminants
    • Bipolar disorder
    • End-of-life ethical issues
    • Alternative medicine
  • For each of the sources that you select, identify the type of quantitative research design used, and evaluate whether it is the most appropriate approach to the research.
  • Consider the ramifications of choosing an inappropriate design for a research study.

By Day 3

Post the topic you selected, references for the two sources you identified, and the quantitative research design used in each. Critique the appropriateness of the design used and justify your comments with information from the Learning Resources. Discuss the ramifications of choosing an inappropriate design for a research study.

Read a selection of your colleagues’ responses.

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Hi, kindly find attached

Running Head: QUANTITATIVE RESEARCH DESIGNS

Quantitative Research Designs
Student Name
Instructor
Course
Date

1

QUANTITATIVE RESEARCH DESIGNS

2

Quantitative Research Designs
Topic Chosen: Bipolar Disorder
Bipolar disorder disrupts the mental capability of a person. People diagnosed with this
disease often experience two episodes known as Mania and depression Bipolar disorder | NAMI:
National Alliance on Mental Illness," n.d.). During the manic episode, the person often feels happy,

irritable, or abnormally energetic. During the depressive episode, the individual will have feelings
of hopelessness and helplessness, suicidal thoughts, and will become insomniac. Over the years,
doctors have tried to determine the primary cause of Bipolar but are yet to succeed. The disorder
is often associated with genetics, stress or the structure of the brain. In most cases, individuals
suffering from bipolar start showing s...


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