Using the NUR705 Week 8 dataset (Excel)Links to an external site., conduct a dependent t-test to see if there is a statistically significant difference in beginning and ending weight after a health improvement course. The variables are labelled “Beginning Weight in pounds” and “Ending Weight in pounds.” Assume a .05 level of significance. Answer the following questions: Identify the independent and dependent variables. Write a null hypothesis. Write an alternative non-directional (2-tail) hypothesis. Interpret your results. Guidelines for interpreting dependent t-tests can be found in What to Include When Writing Up Dependent T-Test Results (PDF)Links to an external site..
Examples of how to write hypotheses are on pages 130 and 131 of your Kim, Mallory, & Vallerio (2022) textbook.
Using JASP to Conduct an Independent T-Test Screencast
JASP Independent T-Test Transcript Links to an external site.
Using JASP to Conduct a Dependent T-Test Screencast
JASP Dependent T-Test TranscriptLinks to an external site.
For part one of the assignment, submit screenshots of the items above. It is best to copy these and put them in a Word document.
Part Two
For part two of the assignment:
- Prepare a short narrative to describe the sample and your analysis. Your narrative should use APA formatting.
- This narrative should be approximately one paragraph, double-spaced.