Week 4: Data Analysis I Conducting statistical analysis can prove an intimidating task for some students

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Week 4: Data Analysis I

Conducting statistical analysis can prove an intimidating task for some students. However, statistical analysis is the critical component of social work research that can link interventions to client outcomes. Statistical analysis software simplifies the task of the mathematical computations. It is the social worker’s responsibility to choose the proper research design and type of statistical analysis.

This week, you analyze the relationship between study design and statistical analysis in a case study. You also interpret the results of the research from the case study and a SPSS data that will be provided to you.

Learning Objectives

Students will:

· Interpret the statistical results in a case study

· Analyze the relationship between study design and statistical analyses

 

Learning Resources

Required Readings

Dudley, J. R. (2020). Social work evaluation: Enhancing what we do (3rd ed.) Oxford University Press.

· Chapter 9, “Is the Intervention Effective?” (pp. 226–235: Read from “Determining a Causal Relationship” to “Outcome Evaluations for Practice”)

Plummer, S.-B., Makris, S., & Brocksen S. (Eds.). (2014b). Social work case studies: Concentration year. Baltimore, MD: Laureate International Universities Publishing. [Vital Source e-reader].

Read the following section:

· “Social Work Research: Chi Square” (pp. 63–65)

 

Document: Stocks, J. T. (2010). Statistics for social workers. In B. Thyer (Ed.), The handbook of social work research methods (2nd ed., pp. 75–118). Thousand Oaks, CA: Sage. (PDF)

Copyright 2010 by Sage Publications, Inc. Reprinted by permission of Sage Publications, Inc. via the Copyright Clearance Center.

 

Trochim, W. M. K. (2006). Internal validity. Retrieved from http://www.socialresearchmethods.net/kb/intval.php

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Be sure to click on all the links in the narrative.

 

Document:Week 4: A Short Course in Statistics Handout (PDF)

 

Document: Week 4: Handout: Chi-Square findings (PDF)

 

 

 

 

Assignment: Working With Data

Statistical analysis software is a valuable tool that helps researchers perform the complex calculations. However, to use such a tool effectively, the study must be well designed. The social worker must understand all the relationships involved in the study. He or she must understand the study’s purpose and select the most appropriate design. The social worker must correctly represent the relationship being examined and the variables involved. Finally, he or she must enter those variables correctly into the software package. This assignment will allow you to analyze in detail the decisions made in the “Social Work Research: Chi Square” case study and the relationship between study design and statistical analysis. Assume that the data has been entered into SPSS and you’ve been given the output of the chi-square results. (See Week 4 Handout: Chi-Square findings).

To prepare for this Assignment, review the Week 4 Handout: Chi-Square Findings and follow the instructions.

By Day 7

Submit a 1-page paper of the following:

· An analysis of the relationship between study design and statistical analysis used in the case study that includes:

· An explanation of why you think that the agency created a plan to evaluate the program

· An explanation of why the social work agency in the case study chose to use a chi square statistic to evaluate whether there is a difference between those who participated in the program and those who did not (Hint: Think about the level of measurement of the variables)

· A description of the research design in terms of observations (O) and interventions (X) for each group.

· Interpret the chi-square output data. What do the data say about the program?