Evaluate the instructor using the following scale, with 1 being extremely inaccurate and 8 being "extremely accurate. 1 --------2- -3--- -4--------5------ -6--- -7--------8 Q1) The instructor was well organized. Q2) The instructor communicated clearly. Q3) The instructor interacted well with students. Q4) The instructor graded fairly. Q5) In this course, I developed specific skills and competencies. Q6) This course was challenging. Q7) Overall, this instructor was excellent. Q8) Overall, this was an excellent course. If you see this survey as a performance evaluation tool, you might realize that it is not perfect as a measure of a professor's overall performance. Particularly, in terms of validity, it has some degree of deficiency and contamination. Please provide a brief analysis of this teaching evaluation, as intruscted below: 1. (4 pts) Give a specific example, evidence, or argument of how this measure of a professor's performance might be deficient. Be sure to first explain what deficiency means. 2. (4pts) Give a specific example, evidence, or argument of how this measure of a professor's performance might be "contaminated. Be sure to first explain what contamination means