Question
First, state the research question you are investigating. Then, state your null hypothesis with equation (Step 1) and your alternative hypothesis with equation (Step 2).
- First, state the research question you are investigating. Then, state your null hypothesis with equation (Step 1) and your alternative hypothesis with equation (Step 2). Choose to investigate a non-directional or directional alternative hypothesis, but not both. Explain what type of relationship you expect to find between your independent variable and dependent variable (e.g., I expected to find that people who exercise more frequently have lower rates of hypertension).In a few sentences, explain your reasoning for your statement. Based upon the alternative hypothesis you created in Step 2, at a minimum, explain your reasoning of why you expected to find such a relationship or difference. In other words, what prior information/knowledge/evidence do you have/know that led you to this educated guess? To demonstrate exemplary work and earn maximum points, find three current peer-reviewed articles (within the last 5-8 years) through the CSUF Pollak Library to support your alternative hypothesis and reasoning. Be sure to add a References Page (APA formatting) if you decide to use articles. (35 points total.Below is the grading rubric I will use).
Type your answer here:
Was the answer long enough (more than 3 sentences)?
4 points
Was a prediction (hypothesis) provided and well stated?
20 points
Was a logical reasoning provided?
5 points
Was the answer free of grammatical errors and misspellings?
2 points
References- APA formatting
4 points
- Run the correct descriptive statistic for your independent variable. Copy and paste the SPSS output here. Hint: You will find the choosing the right statistical test lecture helpful to determine which descriptive statistic to run! (10 points).
Copy and paste the SPSS output here:
- Type in here the answer for one measure of central tendency, based upon your SPSS output from the previous question (#5).Hint: You will find Chapter 2 useful here! (5 points).
Type your answer here:
- Run the correct descriptive statistic for your dependent variable. Copy and paste the SPSS output here. (10 points).
Copy and paste the SPSS output here:
- Type in here the answer for one measure of central tendency, based upon your SPSS output from the previous question (#5). (5 points).
Type your answer here:
- Create one graph for your independent variable. Hint: One of your earlier chapters discussed which kind of graph you can create for which type of variable! We also ran graphs in Assignment #4 (5 points).
Copy and paste the SPSS graph here:
- Create one graph for your dependent variable (5 points)
Copy and paste the SPSS graph here:
- State the null hypothesis for the inferential test that you will run for your independent variable and dependent variable.Hint: You will find the Choosing the Right Statistical Test lecture helpful! (5 points)
Type in your answer here:
- State the alternative hypothesis for the inferential test that you will run for your independent variable and dependent variable. (5 points)
Type in your answer here:
- Complete the following sentence: I am going to run a [insert name of inferential statistical test] because my independent variable is [insert the level of measurement for the independent variable] and my dependent variable is [insert the level of measurement for the dependent variable]. (15 points total, 5 points for each correct answer inserted in the correct brackets).
- Run your inferential statistic in SPSS.Copy and paste the output boxes here.Hint: The Reading and Interpreting SPSS Output lecture has the steps!
(20 points)
Copy and paste SPSS output here:
Looking at the SPSS output from the previous question, please answer the questions below. Hint: The Reading and Interpreting SPSS Output lecture is helpful!
- What is the test statistic number for your inferential test? (5 points)
Type in answer here:
- What is the p-value for your inferential test? (5 points)
Type in answer here:
- Based upon the p-value, do you reject or fail to reject the null hypothesis? (10 points)
Type in answer here:
- Regardless of whether you reject or fail to reject the null hypothesis, what type of pattern do you see?For example, which group has a higher score on the dependent variable, or is there a positive or negative association between the two variables? (10 points)
Type in answer here:
- State what your overall conclusions are.In a paragraph of four or more sentences, explain why you think you obtained these findings (40 points).
Hint: Here are some general thoughts that you will find helpful:
If you failed to reject the null hypothesis, some possible reasons are:
The independent variable is not really related to the dependent variable because there are other variables that are better related to the dependent variable.For example, if you don't find gender differences on exercise frequency, maybe there are some other variable out there (e.g., whether or not you have a gym membership), that are better related to the dependent variable. Provide a commonsense reason why.
It could be characteristics of your sample. The datasets used in this study are all on undergraduate students, who are mostly between the ages of 18 and 30.Do you think your inferential test results might have been different if you sampled a different population (e.g., older adults, children, or adults who have never attended college)?Provide a commonsense reason why.
Maybe you would have had significant findings if you had a larger sample size.This is most likely the case if your p-value was really close to being significant (e.g., p was between .06 and .10).If your findings are really close to being significant, I suggest that you state the pattern that you see, a commonsense reason why these patterns might have existed, and state that if you had a larger sample size, the findings would have been significant.
If you rejected the null hypothesis, it's probably because the pattern of findings you were expecting (according to your answer in #4) was confirmed with your analyses!If this is what happened to you, just state that your expectations were confirmed and elaborate a little bit more, using commonsense (not statistical) reasoning, why you think this happened.
Was your answer long enough (four or more sentences?)
7 points
Did you provide a thorough answer that used specific real-life reasons (not statistical reasons) why you might have obtained the result you got (either reject or fail to reject the null hypothesis)?
21 points
Was the answer logical (could make sense in the real world)?
8 points
Was the answer free of grammatical errors and misspellings?
4 points
All done!Congratulations on completing your project
Things you WILL need to know In SPSS to complete your project
- Create a frequency table.
- Create a descriptive statistics table with means, standard deviations, minimums, maximums, & range.
- Create graphs: bar charts, histograms, and pie charts.
- Conduct inferential statistics: independent samples t-test, dependent/paired samples t-test, ANOVA, chi-square, and correlation coefficient
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