30 Mar Some designs are better than others in terms of validity the accuracy of the measurement. For this Discussion, you explore threats to internal validity and determine which research design is
Some designs are better than others in terms of validity—the accuracy of the measurement. For this Discussion, you explore threats to internal validity and determine which research design is the best at controlling for these threats.
VALIDITY AND RESEARCH DESIGN
Within the quantitative methodological approach are several research designs. A research design simply provides more information on how and at what points data will be collected. The decision of design is driven by the research question and purpose of the study. For example, if your aim is to measure the effects of psychoeducation on social work clients, you might take measurements before and after the intervention (pretest-posttest).
Some designs are better than others in terms of validity—the accuracy of the measurement. For this Discussion, you explore threats to internal validity and determine which research design is the best at controlling for these threats.
RESOURCES
Be sure to review the Learning Resources before completing this activity. Click the weekly resources link to access the resources.
TO PREPARE
· Review the Learning Resources on quantitative research.
· Consider internal and external validity, the differences between them, and threats to validity when conducting research.
· Reflect on which quantitative research design controls for all threats to internal validity.
BY DAY 3
Post your initial response to the following:
· What is the difference between internal and external validity?
· Select two internal validity threats and describe each.
· After examining each category and list of designs, determine which design controls for all threats to internal validity. Explain how this design controls for all threats.
Please use the Learning Resources to support your post (i.e., cite and reference).
BY DAY 6
Respond to two colleagues by:
· Comparing the threats of internal validity they chose with the ones you chose
· Suggesting ways in which one of their identified threats could be eliminated or its effects reduced when conducting a study
Please use the Learning Resources to support your response (i.e., cite and reference).
refrernce
· Yegidis, B. L., Weinbach, R. W., & Myers, L. L. (2018). Research methods for social workers (8th ed.). Pearson.
· Chapter 5: Quantitative Research (pp. 100–125)
· Wentworth, H. (2020, February 24). Critical reading for evaluation Links to an external site. . The Savvy Student. https://waldenacademicskills.wordpress.com/2020/02/24/critical-reading-for-evaluation/
· Document: Critique Template
Media
· Walden University Library. (n.d.). Determining reliability and credibility: Evaluate the contents of a journal article Links to an external site. [Interactive tutorial]. https://academicguides.waldenu.edu/library/instructionalmedia/researchfundamentals#s-lg-box-19550577
· Walden University Office of Research and Doctoral Services. (n.d.). Quantitative research methods: An example Links to an external site. [Video]. https://academicguides.waldenu.edu/research-center/student-research/methodology Note: On this webpage, scroll down to the “Explore Quantitative Methodology” heading and view the “Quantitative Methods: An Example” video. The approximate length of this media piece is 13 minutes.
,
1
Quantitative Research Study Critique
Student Name
Walden University
SOCW 6301: Social Work Practice Research I
Instructor Name
Month XX, 202X
2
Quantitative Research Study Critique
Include an introductory paragraph that names the research study you are evaluating and
previews the structure and focus of your critique. Provide your overall assessment of the study in
a brief statement.
Title and Authors
In this section, evaluate the article title and the authors’ credibility. Do you think the title
adequately describe the study and its key elements? Who are the authors and have they conducted
and/or published previous research? Are they affiliated with a research institution or university?
Literature Review
Consider the following questions in your critique of the article’s literature review: To
what extent does the cited literature help you understand the problem? How does the literature
reviewed put the problem in context? Be specific. Do the authors indicate how their research is
different from and/or similar to earlier studies? Summarize what this article intends to add to the
knowledge base.
Strategy of Research
Address the following questions in your critique of the research strategy: What is the
strategy/aim of this quantitative study—is it descriptive, exploratory, or explanatory? Does this
strategy align with the research question?
Methodological Approach and Design
Consider the following questions in your critique of the methodological approach and
design: How does a quantitative approach (as opposed to a qualitative approach) correspond with
the research questions and/or hypotheses? Is the specific research design appropriate? To what
extent can the design answer the research questions or address the stated hypotheses?
3
Threats to Internal Validity
Consider the following questions in your critique of the internal validity: What have the
authors done to address threats to internal validity? How does the presence or absence of
information about validity affect your confidence in the quality of the study?
Application to Practice
Connect the information from the article to social work practice and provide your
recommendations. Based on your critique of this study, is this social work intervention or
knowledge safe to integrate into your practice? Why or why not?
4
References
(Include full references here for any sources that you have cited within the research study
critique. Note that the following references are intended as examples only.)
American Counseling Association. (n.d.). About us. https://www.counseling.org/about-us/about-
aca
Anderson, M. (2018). Getting consistent with consequences. Educational Leadership, 76(1), 26-
33.
Bach, D., & Blake, D. J. (2016). Frame or get framed: The critical role of issue framing in
nonmarket management. California Management Review, 58(3), 66-87.
https://doi.org/10.1525/cmr.2016.58.3.66
Burgess, R. (2019). Rethinking global health: Frameworks of Power. Routledge.
Herbst-Damm, K. L., & Kulik, J. A. (2005). Volunteer support, marital status, and the survival
times of terminally ill patients. Health Psychology, 24(2), 225–229.
https://doi.org/10.1037/0278-6133.24.2.225
Johnson, P. (2003). Art: A new history. HarperCollins. https://doi.org/10.1037.0000136-000
Lindley, L. C., & Slayter, E. M. (2018). Prior trauma exposure and serious illness at end of life:
A national study of children in the U.S. foster care system from 2005 to 2015. Journal of
Pain and Symptom Management, 56(3), 309–317.
https://doi.org/10.1016/j.jpainsymman.2018.06.001
Osman, M. A. (2016, December 15). 5 do’s and don’ts for staying motivated. Mayo Clinic.
https://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/5-dos-and-donts-for-
staying-motivated/art-20270835
5
Sue, D. W., & Sue, D. (2016). Counseling the culturally diverse: Theory and practice (7th ed.).
Wiley.
Walden University Library. (n.d.). Anatomy of a research article [Video].
https://academicguides.waldenu.edu/library/instructionalmedia/tutorials#s-lg-box-
7955524
Walden University Writing Center. (n.d.). Writing literature reviews in your graduate
coursework [Webinar].
https://academicguides.waldenu.edu/writingcenter/webinars/graduate#s-lg-box-18447417
World Health Organization. (2018, March). Questions and answers on immunization and vaccine
safety. https://www.who.int/features/qa/84/en/
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