Data Analysis & Research Design Evaluation

Data Analysis & Research Design Evaluation 2
Please read and sign the Declaration below.
As I type my name below, I admit that I am submitting my own work. I have answered all the questions and conducted all the analyses myself independently. I understand that all forms of plagiarism, cheating and collusion are regarded seriously by the University and could result in penalties including failure and possible exclusion from the University.
____________________________ _________________ ________
Name of student Student ID Date
You must provide relevant output for all data analyses questions;
No relevant output = Zero mark
Question 1 (18 marks; 3 marks for each part): As a practicing health professional you are quite concerned about the lack of sun smart behavior among your community members; you have even heard some people boasting about not using sunscreen and proudly showing off their sun burns. You are quite aware of the beneficial effects of sunscreen and would like to conduct your own research project to demonstrate to others the benefits of using sun screen in terms of prevention and reduction of the cases of melanoma. It has been few years since you passed EPID1000 and are a bit rusty on different study designs so you immediately email your ex-unit coordinator to send you all the materials (especially lecture recordings and tutorial notes) but you don’t get any reply. Eventually, on an old USB you found everything.
Please give us a short description of how each design can be used to demonstrate the benefits of using sun screen. You should use the points provided in the review exercise (tutorial 11) to cover all the features of each design.
a) Cross-sectional study.
b) Prospective Cohort study.
c) Retrospective Cohort study.
d) Case Control study.
e) Quasi-experimental study.
f) Randomized controlled trial
(No need to worry about the ethics for e and f parts); this is a hypothetical exercise to assess your understanding of different study designs).
Note: Please be specific about the specified exposure and outcome given for this question. No marks for writing general design features from the lectures. We want you to ‘apply’ your knowledge of study designs in light of the given scenario.
Formatting & Line limit Requirements: For each of the six parts please use Times New Roman size 12 font, normal page borders and 10 lines maximum for each part, (10 lines DO NOT mean ten sentences or ten statements). These formatting requirements are for Q1 ONLY, rest of the questions are free from any formatting requirements.
For Q2, Q3, Q4, Q5, Q6, Q7 and Q8 you will conduct ALL analyses using your own random sample of 50 (Video & instructions posted separately).
NO MARKS will be awarded:
• If you used the entire dataset (N=700) instead of your own sample of 50.
• If you do not provide the relevant SPSS output for all questions. NO SPSS Output = No Mark
You can choose a different sample of 50 for every question or use the same sample of 50 for all questions; it is up to you (Please read FAQs for more questions).
Question 2 (7 marks)
Write null and a non-directional alternative hypotheses that can be tested with an Independent Samples t test. Briefly describe, and report on the assumption at the analysis stage. Provide complete interpretation of your results including their statistical and practical significance.
Question 3 (6 marks)
a) Are people more willing to help strangers who ask for money than those who ask for a cigarette?
Choose a suitable test to answer this question and provide a short description of your data analysis including statistical significance of your findings. No need to list or test any assumptions
b) Are females more willing than males to help strangers when they ask for money?
Choose a suitable test to answer this question and provide a short description of your data analysis including statistical significance of your findings. No need to list or test any assumptions
Question 4 (3 marks)
Choose only those who are 27 years and younger and test the hypothesis that they come from a population in which mean exercise time is 6 hours per week.
Write null and alternative hypotheses.
Choose a suitable test and carry out the appropriate analyses and write a short summary of your results including their statistical significance No need to list or test any assumptions.
Question 5 (4 marks)
Is there any significant difference in the Academic performance between those who Strongly Agree, Agree, Disagree and Strongly Disagree to the statement It is great not to have an invigilated final exam?
Choose a suitable test to answer this question. Carry out the appropriate analyses and write a short summary of your results and conclusion. Report on the assumption at the analysis stage.
Question 6 (3 marks)
Is there any significant difference in text messaging behavior while driving among people with different blood groups?
Choose a suitable test to answer this question. Carry out the appropriate analyses and write a short summary of your results and conclusion. No need to list or test any assumptions
Question 7 (3 marks)
Is there any significant difference in academic achievement at school (based on ATAR score School) and later at university (based on Academic Performance Uni score)?
Choose a suitable test to answer this question. Carry out the appropriate analyses and write a short summary of your results and conclusion. No need to list or test any assumptions
Question 8 (1 mark)
Participants were asked to name one positive aspect, if possible, about COVID-19 experience. (Variable Corona_Positives). Unexpectedly all participants had at least one positive aspect to report. You will see that top five responses have been coded as A, B, C, D and E but no labels or descriptions. Use your discretion (and creativity or personal experience) to assign each code a hypothetical response or description, make up any whatever you think these are/can/or should be, and provide a suitable graph showing labels/description of these five responses.
(Relevant SPSS output not provided with your written answer = No mark).
This applies to Qs2-8
‘FAQs’ posted will be extremely useful so please refer to it before you ask any question.
Thank you everyone for posting your questions on the Discussion Board or taking them to Open Collaborate sessions last time. Same rules apply to this assignment.
No emails, otherwise it will not be fair to others.
Thank you and we wish you all the very best.
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