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Purdue University Health Research Methodologies and Measurements Discussion

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Select a minimum of three types of health research methodology.  Describe how each collects and evaluates research data and provide an  example of how this type of research was used.

Explain what researchers conducting studies with human subjects must do to protect their participants and why.

Take time to review the responses of your classmates and provide your feedback

Please use the Discussion to share information with your  peers and receive guidance and feedback from your Professor. This will  provide practice for the Unit 3 Assignment.

Select a minimum of three types of health research methodology.  Describe how each collects and evaluates research data and provide an  example of how this type of research was used.

Explain what researchers conducting studies with human subjects must do to protect their participants and why. 

Reading:

A Survival Guide for Health Research Methods

Book Jacket 

Authors:Tracy Ross

Reply to peer 1:

Derrik Rodriguez posted Nov 29, 2021 8:05 PM

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Hello Everyone,

The three different types of research methods that can be used in health science that I will be going over is quantitative, qualitative, and mixed research methodology. I will also be going over the different laws researchers must follow in order to conduct different studies.

Qualitative research is used to gather data on emotions, behaviors or experiences to understand the concept of expression. The data of this research method can be gathered through open ended questions, observations, and literature reviews (Streefkerk). Quantitative research is expressed in numbers and to establish generalizable facts. This research method can gather its data through surveys and closed-ended questions (Streefkerk). The last research method is the mixed methodology which can have a combination of both quantitative and qualitative research methods. This can be seen to be the case in most research articles.

In 1974, the National Research Act was signed into law which activated the National Commission for the protection of Human Subjects of Biomedical and Behavioral Research (CDC). This required that researchers are to get voluntary informed consent to all participants and will be reviewed to ensure that all protocols need ethical standards. This was all started because of the Tuskegee experiments which showed a lack of ethical standards towards its participants in the experiment.

References

Centers for Disease Control and Prevention. (2021, April 22). Tuskegee Study – Research Implications – CDC – NCHHSTP. Centers for Disease Control and Prevention. Retrieved November 30, 2021, from https://www.cdc.gov/tuskegee/after.htm.

Streefkerk, R. (2021, August 13). Qualitative vs. quantitative research. Scribbr. Retrieved November 30, 2021, from https://www.scribbr.com/methodology/qualitative-quantitative-research/.

Reply to peer 2:

Unit 3 Discussion

Erick Melena posted Nov 29, 2021 9:22 PM

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Hello all,

For this week’s discussion board, I chose 3 research methods that are used and will explain a little as to how they work. The first one I chose was quantitative research methodology. Quantitative research involves collecting data that can be analyzed using statistics and numerical values (Ross, 2012). This being said, they collect data using methods that allow sampling large numbers of individuals or measuring quantity. Depending on what kind of hypothesis the experimenter is trying to prove, they tend to use surveys and experiments. They evaluate the values of the data collected and can use the results for predicting future outcomes. Additionally, they can help identify patterns, trends, correlations, and establishing a level of cause and effect within a situation (Ross, 2012). An example of this type of research method being used would be a hospital conducting patient surveys on wait times.

Another research method that I chose was using qualitative research. This type of research can be described as exploring the “why” and “how” behind situations, such as explaining human behavior (Ross, 2012). It involves more effort in understanding the data rather than predicting it. This kind of data is a little more difficult to get as it cannot always be gathered using numerical values. Rather, the research needs to be able to enter the individual’s or participant’s world and interact with them (Ross, 2012). There are over 6 different approaches into gathering qualitative research, each with their own methods on gathering and analysis. Gathering involves asking more open-ended questions to gather results rather than values. An example of this would involve the study of obesity. More specifically, trying to understand how an obese individual sees themself and how they can manage their daily life.

A third research method I chose is a combination of qualitative and quantitative research, known as using a mixed method. Some situations or experiments may not always turn up with the best results when using either qualitative or quantitative research methods. Sometimes, they require the best of both worlds. By combining both approaches, it helps capitalize on the benefits and strengths of one another to produce a more holistic view (Ross, 2012). Data is now collected without any sense of bias. There is no need to segregate qualitative from quantitative at first, such as when collecting. When it comes to analysis of the data, that’s when it is organized to be better reviewed. An example of this being used can be everyday healthcare experiences. We gather both qualitative and quantitative data from the patient by taking vitals, as well as gathering a social background and medical history.

References

Tracy Ross. (2012). A Survival Guide for Health Research Methods. Open 

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