EX1_ans_comments_2006 - BioG 101 Cornell University Exam 1...

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BioG 101 Exam 1 Comments 2006 Cornell University C. D. Hopkins Sep. 28, 2006 1 EXAM 1 COMMENTS Average score = 37.87 out of a possible 55 points (= 68.85%) Standard deviation = 7.44 points (13.53%) This first prelim will count for about 19% (10 lectures) of your final grade in BioG 101 Answers (including alternatives accepted in Bold ) 1) A (2 pts) 13) B C (2 pts) 25) D (1 pt) 37) A (1 pt) 2) C (1 pt) 14) E (1 pt) 26) D (1 pt) 38) E (1 pt) 3) E (1 pt) 15) B (1 pt) 27) A C (1 pt) 39) B (1 pt) 4) C (1 pt) 16) A C (1 pt) 28) B (2 pts) 40) C D (1 pt) 5) D (1 pt) 17) D (2 pts) 29) E (2 pts) 6) B CE (1 pt) 18) E (1 pt) 30) C E (1 pt) 7) E (2 pts) 19) B (1 pt) 31) E (1 pt) 8) C (2 pts) 20) ALL (2 pts) 32) A (2 pts) 9) D (2 pts) 21) A (1 pt) 33) B (1 pt) 10) B (2 pts) 22) D (2 pts) 34) D E (1 pt) 11) A D (2 pts) 23) B (2 pts) 35) D (1 pt) 12) A (1 pt) 24) E (2 pts) 36) A C D (1 pt) Check your grade. A copy of your op-scan sheet will be handed back to you in laboratory next week. Make sure that you go over your answers with the above answer key to be sure that your score agrees with our records. It is your responsibility to report any errors to the office in 1140 Comstock Hall. Please be aware that the op-scan machine rarely makes mistakes, so double check if you think your test is scored incorrectly. General comments. About 50 students attended the oral review of the exam, held on Friday, September 22, 2006, and made excellent comments about the exam and the wording of several of the questions. The comments were all carefully noted. The dialog ranged from a vigorous debate over scientific and technical issues. There were also about 80 extremely interesting e-mails about the exam questions. I was impressed by the clarity and logic behind many of these queries and comments, and as you will see in the comments below, I have accepted alternative answers in some cases, but not all. When I was persuaded that there was a valid case for misinterpretation of the question, or an alternative that I had not previously considered I have accepted alternative answers. In some cases, I have accepted an alternative answer because neither I nor the text covered a particular concept necessary. Sometimes, I accepted an alternative because it was worded in such a way as to be unclear. I value reasoning in the classroom, in my laboratory, and among my scientific colleagues. In all cases where you have provided feedback, I appreciate the time you took to give it, since it is the feedback like this that ultimately leads to better teaching, less confusing exams, and better understanding. I thank all students who took the time to provide write or attend the oral review.
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BioG 101 Exam 1 Comments 2006 Cornell University C. D. Hopkins Sep. 28, 2006 2 What does your grade mean? First, only your numeric score is recorded in our grade book. You will not receive a letter score for
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EX1_ans_comments_2006 - BioG 101 Cornell University Exam 1...

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