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Reliability and Validity of Data Collection

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Discuss why you need to be aware of the reliability and validity of the data collection tool that you are using in the quantitative research project.
Discuss why you want to ensure the reliability and validity of the data collection tool that you are using in a qualitative research project.

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https://brainmass.com/health-sciences/evaluation-measurement-and-research-methods/reliability-and-validity-of-data-collection-548852

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The basis of reliability and validity of a data collection tool is to ensure that the interpretation of the data is accurate and that the tool could be used for another population. A collection tool cannot be valid unless it is also reliable.

Probably the most used example is that of a scale. Using a particular scale, you weigh yourself each day and find that it adds 2 lbs to your weight. It would be reliable, as it is consistently giving the same weight range, but it would not be valid because it is not accurate. So, when you use a tool you need to ensure to the audience that the method has both qualities to verify that your interpretation is ...

Solution Summary

This solution discusses the importance of validity and reliability of data collection methods relative to qualitative analysis. Simple examples are given and discussion on how to evaluate a research tool's validity and reliability.

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Reliability and Validity

Describe observation and measurement as they relate to human services research.

Refer to Ch. 4 and 5 of Beginning Behavioral Research and
address each of the following points:

o Define and describe the types of reliability. Provide examples of these types of reliability as they apply to human services research or to human services management research.

o Define and describe the types of validity. Provide examples of these types of validity as they apply to human services research or to human services management research.

o Provide examples of a data collection method and data collection instrument used in human services research. Why is it important to ensure that these data collection methods and instruments are both reliable and valid?

Text being used is:

Rosnow, R. L., & Rosenthal, R. (2008). Beginning behavioral research: A conceptual primer (6th ed.). Upper Saddle River, NJ: Pearson/Prentice Hall.

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