Sampling and Collecting Quantitative and Qualitative Data

Sampling and Collecting Quantitative and Qualitative Data

WK 10 Discussion
Sampling and Collecting Quantitative and Qualitative Data
Specific methods of data collection (e.g., surveys, interviews, observations) produce specific types of data that will answer particular research questions, but not others; so here too, as covered in previous weeks, the research questions inform how the data will be obtained.  Furthermore, the method used to collect the data may impact the reliability and the validity of that data.
For this Discussion, you will first consider sampling strategies. Then, you will turn your attention to data collection methods, including their strengths, limitations, and ethical implications. Last, you will consider measurement reliability and validity in the context of your discipline (Healthcare Science).
With these thoughts in mind, use Position A, to complete your discussion.
Position A: Probability sampling represents the best strategy for selecting research participants.
Write a Post: A restatement of your assigned position on sampling strategies. Explain why this position is the best strategy for selecting research participants. Support your explanation with an example and support from the scholarly literature. Next, select a data collection method (e.g., surveys, interviews, observations) and briefly explain at least one strength and at least one limitation. Then, identify a potential ethical issue with this method and describe a strategy to address it. Last, explain the relationship between measurement reliability and measurement validity using an example from your discipline.
Be sure to support your Main Issue Post and Response Post with reference to the week’s Learning Resources and other scholarly evidence in APA Style.
Resources for the week:
Teddlie, C., & Yu, F. (2007). Mixed methods sampling: A typology with examples. Journal of Mixed Methods Research, 1(1), 77–100. 
Mixed Methods Sampling: A Typology with Examples by Teddlie, C., & Yu, F., in Journal of Mixed Methods Research, Vol. 1/Issue 1. Copyright 2007 by Sage Publications Inc. Reprinted by permission of Sage Publications Inc. via the Copyright Clearance Center.
Onwuegbuzie, A. J., & Collins, K. M. (2007). A typology of mixed methods sampling designs in social science research. The Qualitative Report, 12(2), 281–316. Retrieved from http://nsuworks.nova.edu/tqr/vol12/iss2/9
Drost, E. A. (2011). Validity and reliability in social science research. Education Research and Perspectives, 38(1), 105–124.
Walden University: Center for Research Quality. (2015a). Data resources & support: Home. Retrieved from http://academicguides.waldenu.edu/researchcenter/dataresources 
Download the “Sources of Data for Research: A Research Primer” document.
Walden University: Center for Research Quality. (2015d). Research resources: Walden University participant pool. Retrieved from http://academicguides.waldenu.edu/researchcenter/resources/participantpool 
Walden University. (2015a). How do I find an article that reports on research that uses a specific methodology? Retrieved from http://academicanswers.waldenu.edu/faq/72633
Walden University: Writing Center. (2015). Common course assignments: Annotated bibliographies. Retrieved from http://academicguides.waldenu.edu/writingcenter/assignments/annotatedbibliographies 

ADDITIONAL INSTRUCTIONS FOR THE CLASS

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• Discussion Questions (DQ)

Initial responses to the DQ should address all components of the questions asked, including a minimum of one scholarly source, and be at least 250 words. Successful responses are substantive (i.e., add something new to the discussion, engage others in the discussion, well-developed idea) and include at least one scholarly source. One or two-sentence responses, simple statements of agreement or “good post,” and responses that are off-topic will not count as substantive. Substantive responses should be at least 150 words. I encourage you to incorporate the readings from the week (as applicable) into your responses.

• Weekly Participation

Your initial responses to the mandatory DQ do not count toward participation and are graded separately. In addition to the DQ responses, you must post at least one reply to peers (or me) on three separate days, for a total of three replies. Participation posts do not require a scholarly source/citation (unless you cite someone else’s work). Part of your weekly participation includes viewing the weekly announcement and attesting to watching it in the comments. These announcements are made to ensure you understand everything that is due during the week.

• APA Format and Writing Quality

Familiarize yourself with the APA format and practice using it correctly. It is used for most writing assignments for your degree. Visit the Writing Center in the Student Success Center, under the Resources tab in Loud-cloud for APA paper templates, citation examples, tips, etc. Points will be deducted for poor use of APA format or absence of APA format (if required). Cite all sources of information! When in doubt, cite the source. Paraphrasing also requires a citation. I highly recommend using the APA Publication Manual, 6th edition.

• Use of Direct Quotes

I discourage over-utilization of direct quotes in DQs and assignments at the Master’s level and deduct points accordingly. As Masters’ level students, it is important that you be able to critically analyze and interpret information from journal articles and other resources. Simply restating someone else’s words does not demonstrate an understanding of the content or critical analysis of the content. It is best to paraphrase content and cite your source.

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• Late Policy

The university’s policy on late assignments is a 10% penalty PER DAY LATE. This also applies to late DQ replies. Please communicate with me if you anticipate having to submit an assignment late. I am happy to be flexible, with advance notice. We may be able to work out an extension based on extenuating circumstances. If you do not communicate with me before submitting an assignment late, the GCU late policy will be in effect. I do not accept assignments that are two or more weeks late unless we have worked out an extension. As per policy, no assignments are accepted after the last day of class. Any assignment submitted after midnight on the last day of class will not be accepted for grading.

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