Discussion 1: Group Research Designs
According to Yegidis (2012, p. 120), a research design is “a plan to attempt to find answers to the researcher’s questions and/or to test any hypotheses that were formulated.” There are several different types of research designs. Each design is intended to respond to a particular type of research question. The type of research design depends on the type of research questions asked. For this Discussion, select one of the articles from the reading list and consider several classifications of group research designs.
Post your response to the following: Describe which groups are compared in the research. Then, classify the research design as follows:
1. By explaining whether the study is pre-experimental (cross-sectional, one-shot case study, and longitudinal), experimental (control group with pretest and posttest, posttest only, or four-group design), or quasi-experimental (comparing one group to itself at different times or comparing two different groups)
2. By indicating what the researchers report about limitations of the study
3. By explaining concerns you have regarding internal validity and the ability of the study to draw conclusions about causality
4. By explaining any concerns you have about the generalizability of the study (external validity) and what aspect of the research design might limit generalizability
Please use the resources to support your answer.
Yegidis, B. L., Weinbach, R. W., & Myers, L. L. (2012). Research methods for social workers (7th ed.). Upper Saddle River, NJ: Allyn & Bacon.
Choose One of the Following Articles:
Bauman, S. (2006). Using comparison groups in school counseling research: A primer. Professional School Counseling, 9(5), 357–366.
Kohl, P. L., Kagotho, J., & Dixon, D. (2011). Parenting practices among depressed mothers in the child welfare system. Social Work Research, 35(4), 215–225.
Leung, P., Erich, S., & Kanenberg, H. (2005). A comparison of family functioning in gay/lesbian, heterosexual and special needs adoptions. Children and Youth Services Review, 27(9), 1031–1044.
Moran, J., & Bussey, M. (2007). Results of an alcohol prevention program with urban American Indian youth. Child & Adolescent Social Work Journal, 24(1), 1–21.
Pinderhughes, E. E., Dodge, K. A., Bates, J. E., Pettit, G. S., & Zelli, A. (2000). Discipline responses: Influences of parents’ socioeconomic status, ethnicity, beliefs about parenting, stress, and cognitive-emotional processes. Journal of Family Psychology, 14(3), 380–400.
Southerland, D., Mustillo, S., Farmer, E., Stambaugh, L., & Murray, M. (2009). What’s the relationship got to do with it? Understanding the therapeutic relationship in therapeutic foster care. Child & Adolescent Social Work Journal, 26(1), 49–63.
Discussion 2: Pretests/Posttests and Attrition
This week’s video introduces you to the Hernandez family. Juan and Elena Hernandez are mandated to attend parenting classes. As part of the parenting classes, they are required to participate in both a pretest (taken before classes begin) and a posttest (taken after classes end). Pretests and posttests can yield very useful information. They can measure the learning that has or has not taken place as a result of the education being provided. For this Discussion, imagine what kinds of questions would be on a pretest and posttest for this particular study sample (the parents who are taking parenting classes).
Post your explanation of what you think the social workers wanted to know when they designed the pre/posttest for evaluating the parenting classes. Be sure to address the concept of attrition and whether or not you believe they took that into account. Be sure to explain why. Then, analyze potential lessons learned from attrition. Finally, explain how you might design a study to gather data about the effectiveness of these parenting classes. Use the following questions to focus your thinking:
o Would you recommend a pre-experimental, experimental, or quasi-experimental design?
o Would the study involve measurement over time?
o Would there be a control group?
o In this group research design you imagine, what or who will be compared?
o What limitations in terms of generalizability and internal validity can you anticipate based on the research plan you envision?
o What can you tell the social worker about the issue of client drop out (also called attrition or experimental mortality)?
o If there is no control group, what type of research design could answer the question: Is this parent training class effective in reducing abusive parenting practices?
Please use the resources to support your answer.
Laureate Education (Producer). (2013). Hernandez family (Episode 5) [Video file]. In Sessions. Retrieved from https://class.waldenu.edu
Yegidis, B. L., Weinbach, R. W., & Myers, L. L. (2012). Research methods for social workers (7th ed.). Upper Saddle River, NJ: Allyn & Bacon
Discussion 3: Blog
Refer to the topics covered in this week’s resources and incorporate them into your blog.
Post a blog post that includes:
· An explanation of the policy context in your field education experience (internship is at a military mental health clinic)
Be sure to support your blog posts with specific references to this week’s resources and provide full APA citations for your references.
Garthwait, C. (2012). The social work practicum: A guide and workbook for students (6th ed.). Upper Saddle River, NJ: Pearson.
Libal, K., Mapp, S. C., Ihrig, E., & Ron, A. (2011). The United Nations convention on the rights of the child: Children can wait no longer for their rights. Social Work, 56(4), 367–370.
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