Posted by meto on Tuesday, April 24, 2012 at 10:23pm.
A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as follows:
Student Anxiety Scores Study Hours
5 1
10 6
5 2
11 8
12 5
4 1
3 4
2 6
6 5
1 2
Why is a correlation the most appropriate statistic?
What is the null and alternate hypothesis?
What is the correlation between student anxiety scores and number of study hours? Select alpha and interpret your findings. Make sure to note whether it is significant or not and what the effect size is.
How would you interpret this?
What is the probability of a type I error? What does this mean?
How would you use this same information but set it up in a way that allows you to conduct a ttest? An ANOVA?
Assignment 1 Grading Criteria Maximum Points
Explain why a correlation is the most appropriate statistic. 36
List the null and alternate hypothesis. 20
Compute and correctly present the correlation between student anxiety scores and number of study hours. 36
List the alpha, statistical significance of the results and the effect size. Provide an interpretation of the results. 60
List the probability of a type I error and explain what it means. 36
Explain how the same information would be set up to allow one to conduct a ttest and an ANOVA. 48
Writing Components:
Organization: Introduction, Thesis, Transitions, Conclusion
Usage and Mechanics: Grammar, Spelling, Sentence structure
APA Elements: Attribution, Paraphrasing, Quotations
Style: Audience, Word Choice
64
Total: 300

psy statistics  PsyDAG, Wednesday, April 25, 2012 at 11:03am
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

psy statistics  Mindy, Friday, January 25, 2013 at 4:11pm
3. Select alpha and interpret your findings. Make sure to note whether it is significant or not and what the effect size is.

psy statistics  Anonymous, Saturday, November 2, 2013 at 9:29am
Why is a correlation the most appropriate statistic?
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