Cuesta College, San Luis Obispo, CA
Cuesta College Astronomy 210 (introductory astronomy lecture) students take their first midterm on cycles/motions, history of astronomy, and telescopes in the eighth week of instruction.
The midterm consists of ten multiple-choice questions (with partial credit for multiple-choice), and three short-answer questions (graded with a standardized rubric), to be completed within 80 minutes (the length of a regularly-scheduled lecture).
Grading statistics:
Section 70158
Exam code: midterm01sLa6
| 0- 20.0 : | |
| 20.5- 40.0 : | *** [low = 24.0] |
| 40.5- 60.0 : | *************** |
| 60.5- 80.0 : | *********** [mean = 63.2 +/- 17.5] |
| 80.5-100.0 : | ********* [high = 96.5] |
The order in which students turned in their completed midterms was recorded, beginning approximately 20 minutes after starting, to 80 minutes after starting. With a linear regression r2 value of 0.2046, there is no significant correlation between the completion order c turning on the midterm and resulting score S (S = 0.6881c + 49.329).
Grading statistics:
Section 70160
Exam code: midterm01n4rN
| 0- 20.0 : | |
| 20.5- 40.0 : | ** [low = 28.0] |
| 40.5- 60.0 : | ********** |
| 60.5- 80.0 : | ********** [mean = 66.8 +/- 18.3] |
| 80.5-100.0 : | ******** [high = 96.0] |
With a linear regression r2 value of 0.0125, there is no significant correlation between the completion order c turning on the midterm and resulting score S (S = 0.2438c + 63.446).
No comments:
Post a Comment