Chi Square

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timer Asked: Jun 23rd, 2018
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Question description

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?

Week 4 Handout: Chi-Square Findings The chi square test for independence is used to determine whether there is a relationship between the two variables that are categorical in the level of measurement. In this case, the variables are: employment level and treatment condition. It tests whether there is a difference between groups. The research question for the study is: Is there a relationship between the independent variable, treatment, and the dependent variable, employment level? In other words, is there a difference in the number of participants who are not employed, employed part-time and employed full-time in the program and the control group (i.e., waitlist group)? The hypotheses are: H0 (The null hypothesis): There is no difference in the proportions of individuals in the three employment categories between the treatment group and the waitlist group. In other words, the frequency distribution for variable 2 (employment) has the same proportions for both categories of variable 1 (program participation). ** It is the null hypothesis that is actually tested by the statistic. A chi square statistic that is found to be statistically significant, (e.g. p< .05) indicates that we can reject the null hypothesis (understanding that there is less than a 5% chance that the relationship between the variables is due to chance). H1 (The alternative hypothesis): There is a difference in the proportions of individuals in the three employment categories between the treatment group and the waitlist group. ** The alternative hypothesis states that there is a difference. It would allow us to say that it appears that the treatment (voc rehab program) is effective in increasing the employment status of participants. Assume that the data has been collected to answer the above research question. Someone has entered the data into SPSS. A chi-square test was conducted, and you were given the following SPSS output data:

Tutor Answer

Klosevin
School: UCLA

Attached.

Surname 1
Student’s Name
Professor’s Name
Course
Date
Chi Square
Why the Program Was Evaluated
Programs that train people for employment, such as the voc rehab program, are meant
to empower people thus increasing their chances of getting meaningful employment. These
programs are designed with specific objectives, and success indicators that detail out how
program goals will be achieved, and the criteria for evaluation. It was therefore important for
the agency to evaluate the pro...

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Anonymous
Outstanding Job!!!!

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