- You want to conduct a research studying the relationship between political opinions and one’s attitude towards legalizing recreational marijuana. In order to examine this question, you conducted a survey among several college students and faculties, and asked them the following questions:
(1): Do you tend to agree with the liberal policies or conservative policies?
(2): To what extent do you agree with the statement that it is beneficial for the society to legalize growing, sale, and using recreational marijuana?
1=strongly disagree 2=disagree 3=neutral 4=agree 5=strongly agree
The data you collected are as follows:
Please write a short report answering the following questions:
(a): What is your null hypothesis? What is you research hypothesis?
(b): What statistical analytic method would you use to test your hypotheses? Why would you choose this method?
(c): By using a computer software, the result of your analysis is: t (28) =-2.1, p=.045. How would you interpret this result? (please interpret the t value, p value, and degree of freedom)
(d): What is the effective size? How would you interpret the effective size?
(conservative group mean=2.53; liberal group mean= 3.47; conservative SD=1.25; liberal SD=1.19)