PSY 325 PSY325 WEEK 2 ASSIGNMENT CHI-SQUARE DATA ANALYSIS - ASHFORD

 PSY 325 PSY325 WEEK 2 ASSIGNMENT CHI-SQUARE DATA ANALYSIS - ASHFORD

 

 

 

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Ashford PSY 325 Week 2 Assignment Chi-Square Data Analysis

Chi-Square Data Analysis [WLOs: 2, 5] [CLOs: 2, 3, 4, 5]. Due by Day 7. Prior to beginning work on this assignment, review Chapter 10 in your course textbook, pages 109 to 120 in Chapter 7 of the Jarman e-book, and the Week 2 Instructor Guidance. Also, review The Chi-Square Test: Often Used and More Often Misinterpreted and The Chi-Square Test of Independence articles Also, review the Two-Way Tables, Chi-Square: Lecture 11, Chi-Square Tests: Crash Course Statistics #29, and Chi-Square Test for Association (Independence) | AP Statistics | Khan Academy videos; and review the How to Chi-Square Test and How to Interpret Chi-Squared web articles. Also, complete the Week 2 learning activity and Week 2 weekly review. 

Your instructor will post an announcement with the scenario and data set for your Week 2 assignment. For the calculations in this assignment, you may use either Excel or the free VassarStats: Website for Statistical Computation program online. Instructions for performing a chi-square test of independence in Excel are included in Section 10.4 of the textbook, accompanied by a screencast demonstrating the process in the electronic version. Screencasts showing how to do a chi-square goodness-of-fit test and a chi-square test of independence in VassarStats are included in the Week 2 learning activity, which you may review at any time. For this test, you may prefer VassarStats because it is more automated than Excel. You also have the option of calculating the chi- square manually but if you choose this option, you must show your work and explain all of the steps taken to solve for the chi-square value and to determine statistical significance. 

In your paper, begin with a paragraph introducing the scenario and explaining why a chi-square test is needed for the situation. Then, address the following: 

• Identify which chi-square test you used and which program or procedure you used for the analysis. 

• Describe the procedure you used to calculate the chi-square. 

o If using VassarStats, copy and paste the data entry area and output into your paper. If using Excel, submit the Excel spreadsheet separately and mention in your paper that the spreadsheet is attached. If using hand calculations, include a table showing the observed and expected frequencies, along with the row and column totals and chi-square calculations. 

• Report the chi-square value, degrees of freedom, and the p value. 

• Explain how you determined the p value. Is the result statistically significant? 

o Ifthetestisachi-squaretestofindependencewithastatisticallysignificantresult,reportthe effect size using Cramér’s V. 

• Explain the meaning of the results in terms of the scenario.