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Categorical Data Analysis (Chi-Square) - Nursing

Assignment 6: Categorical Data Analysis (Chi-Square)

Answer the following questions in complete sentences and using APA style. Upload to the Assignments section in Sakai.

1.      Is chi-square a parametric or non-parametric test? What assumptions apply for a chi-square test? .5 pt

2.      What type of data is a chi-square test appropriate for? .5 pt

3.      A nurse practitioner is interested in examining a relationship between perceived health status (poor – excellent) and the presence or absence of chronic disease. Use chronicD_Summer 2016.sav.

a.      Write the null and alternative hypotheses. .5 pt

b.      Run a crosstab and copy and paste the output table here. .5 pt

c.       Manually calculate the expected frequency for each cell in the crosstab and use these frequencies to calculate the chi-square statistic. (Show your work.) 2 pt

d.      Using the chi-square statistic and the critical value for alpha of .05 (see Appendix C in your textbook), determine whether to accept or reject the null hypothesis. 1 pt

e.      Run the crosstab again, but this time select the option for a Chi-square test and Phi and Cramer’s V in the Statistics box. Copy and paste the Chi-Square Tests output table here. 1 pt

f.        Report the findings in APA style. (Follow the instructions on page 342 on how to do this.) Include Phi or Cramer’s V if significant (whichever is appropriate based on the data). 2 pt

g.      Do your results from part d match the SPSS results from part g? If so, then great job, you’re done. If not, then go back and take another look at your work. Let me know if you have any questions.

4.      A study was conducted to compare nurses who had spent time with elderly relatives and those who had not on whether or not nurses were satisfied with their job. Use Eldrelativ_Summer 2016.sav.

a.      Write the null and alternative hypotheses. .5 pt

b.      Run a crosstab and copy and paste the output table here. .5 pt

c.       Manually calculate the expected frequency for each cell in the crosstab and use these frequencies to calculate the chi-square statistic. (Show your work.) 2 pt

d.      Using the chi-square statistic and the critical value for alpha of .05 (see Appendix C in your textbook), determine whether to accept or reject the null hypothesis. 1 pt

e.      Run the crosstab again, but this time select the option for a Chi-square test and Phi and Cramer’s V in the Statistics box. Copy and paste the Chi-Square Tests output table here. 1 pt

f.        Report the findings in APA style. (Follow the instructions on page 342 on how to do this.) Include Phi or Cramer’s V if significant (whichever is appropriate based on the data). 2 pt

g.      Do your results from part d match the SPSS results from part g? If so, then great job, you’re done. If not, then go back and take another look at your work. Let me know if you have any questions.

Categorical Data Analysis (Chi-Square) - Nursing

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