Paired t test results
| P value and statistical significance: The two-tailed P value equals 0.0046 By conventional criteria, this difference is considered to be very statistically significant. Confidence interval: The mean of Pre minus Post equals 29.00 95% confidence interval of this difference: From 10.02 to 47.98 Intermediate values used in calculations: t = 3.1876 df = 20 standard error of difference = 9.098 Learn more:
GraphPad's web site includes portions of the manual for GraphPad Prism that can help you learn statistics. First, review the meaning of P values and confidence intervals. Then learn how to interpret results from an unpaired or paired t test. These links include GraphPad's popular analysis checklists.
Review your data: |
| Group | Pre | Post |
|---|---|---|
| Mean | 67.88 | 38.57 |
| SD | 42.66 | 18.38 |
| SEM | 8.71 | 4.01 |
| N | 24 | 21 |
I gave the post test assessment to my students today during class. They were already working on their exam project and were told to take some time to fill out this assessment worksheet on their own time, during class. It was like pulling teeth! They have limited time left in this school year to get all of their work turned in. I think a lot of them wanted to work on their art exam and not worry about this worksheet. They would rather receive no grade for completing the worksheet then take time away form their project. I guess that is a good thing. Right?!
The students filled out the worksheet for me but, in all honesty, did not give it the time needed. When I collected the post assessment at the end of class, I was discourage by what I saw on their paper. Tonight when I got home to read their responses and fill out the scoring rubric, I was pleasantly surprised with what I was reading. Although the word count was lower then the pre assessment, the quality of thought was much higher. They were making connections in bullet points and drawing arrows to the picture itself to present evidence.
Overall, VTS has taught me how to look at a piece of artwork differently. I ask myself the questions as I look at artwork. I think my students are doing the same thing.
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