Country : Australia
Assignment Task

Scenario 
You are a new graduate researcher at a social and psychological sciences research institute. You  have been given a dataset based on a survey of Australian public service sector employees, and  asked to analyse the data to answer several questions of interest that are presented on the following  pages.  
Question 1 
The variable TeamEngagement is a scale score [0 to 20] of how engaged an employee is with the  team of colleagues they regularly work with, with higher values representing greater employee  engagement with their team. 
Previous research indicates that Australian public service employees have an average ‘team  engagement’ score of 14.5. However, an organisational psychologist at the institute has claimed that  this has decreased due to changes made by the current government. Conduct a one-sample t-test  using the TeamEngagement variable to test this claim. 
Produce the relevant SPSS output and write a one-sample t-test report based on your output in the  style presented in the Week 6 Supplement G: Report writing for hypothesis tests. Include the  relevant output with your answer. 
Question 2 
Researchers hypothesise that Australian public service employees who have less than 5 years tenure  in their job are more engaged with their supervisor than Australian public service employees who  have 5 years or more tenure. Conduct an independent samples t-test using the  SupervisorEngagement and Tenure variables to test this claim. 
Produce the relevant output and write an independent samples t-test report based on your output in  the style presented in Week 7 Supplement H: Report Writing for Independent Samples t-test. Include the relevant output with your answer.
Question 3 
Researchers hypothesise that Australian public service employees are more engaged, on average,  with the team of colleagues they regularly work in than with their supervisor. Conduct a paired  samples t-test using the SupervisorEngagement and TeamEngagement variables to test this  claim. 
Produce the relevant output and write a paired samples t-test report based on your output in the style  presented in the Week 8 Supplement I: The Paired Samples t-tests. Include the relevant output with  your answer. 
Question 4 
In 2015, 57% of Australian adults preferred to take a generic brand prescription drug than pay more for the name brand prescription drug. A pharmaceutical company believes that with the financial  crisis, the percentage of Australian adults willing to take a cheaper generic drug may have risen.  The research department conducted a study where a random sample of Australian adults were asked  whether or not they would accept a cheaper generic prescription drug.  
(a) What type of statistical test would be appropriate to investigate the pharmaceutical company’s  prediction? 
(b) Explain why this statistical test would be appropriate. 
(c) The appropriate statistical test was conducted and a p-value of .121 was obtained. Based on the  results of this study, the pharmaceutical company concludes that the percentage of Australian  adults willing to take a cheaper generic prescription drug has remained the same, exactly 57%.  Is this conclusion valid or not? 
(d) Explain why the researchers’ conclusion is valid/ not valid.

 

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